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Emilio Jewelry Gia Certified 4.00 Carat Fancy Light Pink Marquise Diamond Ring
By Emilio!
Located in New York, NY
/Gia Building in New York's Diamond District. This item has been appraised by the experts at the
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond

Peter Suchy GIA Certified 1.78 Carat Marquise Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
Peter Suchy marquise diamond halo engagement ring. GIA certified center stone with a halo of
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Antique Victorian 22K Yellow Gold Marquise Diamond Pearl Engagement Ring - GIA
Located in Great Neck, NY
Beautiful Antique Victorian 22K Yellow Gold Marquise Diamond Pearl Engagement Ring - GIA. This
Category

Antique 1890s Victorian Engagement Rings

Materials

Brown Diamond, Pearl, Gold, 22k Gold, Yellow Gold

GIA Certified 3.00 Carats D/VS2 Marquise Shape Diamonds 18K Gold Ring
Located in New Delhi, Delhi
in 18k gold with a lustrous GIA Certified Diamond of 3,00 carats , in perfect marquise shape , D
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, 18k Gold

GIA Certified Marquise Natural Jadeite Jade Diamond Gold Cocktail Ring
Located in Stamford, CT
1960’s mid-century marquise bright green Jadeite Jade and diamond ring. The jade has a mesmerizing
Category

Mid-20th Century Cocktail Rings

Materials

Diamond, Jade, Gold, 14k Gold, White Gold

GIA Certified 5.60 Ct Marquise-Cut Diamond Ring in Platinum 950
Located in Lucerne, CH
This superb handcrafted ring in platinum 950 features a stunning marquise-cut diamond of 5.60
Category

21st Century and Contemporary Swiss Contemporary Solitaire Rings

Materials

Diamond, Platinum

New 14K Gold .66ct GIA Marquise Bezel Diamond Solitaire Pendant Adjustable Chain
Located in Montclair, NJ
features a fine, GIA certified, marquise brilliant cut diamond solitaire neatly bezel set at the center of
Category

2010s Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

Exceptional GIA Certified 6.11 Carat Marquise Diamond Ring with tapered baguette
By Antinori Fine Jewels
Located in Chicago, IL
This exceptional ring features a stunning centerpiece—a GIA certified 6.11 carat marquise-cut
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Platinum

Art Deco GIA 2.17 carat old marquise cut diamond platinum engagement ring
Located in Beverly Hills, CA
beautiful 2.17-carat old marquise cut diamond, certified by GIA and prized for its elongated silhouette and
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, Platinum

GIA Certified 3.89 Carat Marquise Cut Colombian Emerald Diamond Ring
By Gad Co.
Located in Miami, FL
GIA Certified Marquise cut natural emerald and diamond ring in 18k gold. Featuring a vivid green
Category

2010s Colombian Art Deco Cluster Rings

Materials

Diamond, Emerald, 18k Gold, White Gold, Yellow Gold

GIA Certified 5.69 Carat Fancy Light Brown-Yellow Marquise Diamond Ring
Located in Miami, FL
GIA certified fancy light brown-yellow marquise cut diamond ring. Surrounded by a white diamond
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, Yellow Diamond, Gold, 18k Gold, Rose Gold, White Gold

GIA Certified Marquise Natural White Diamond and Pink Diamond Ring in 18K Gold
By HYT
Located in Hong Kong, HK
A captivating GIA Certified Marquise-Shaped White Diamond and Pink Diamond Ring handcrafted in 18K
Category

2010s Hong Kong Art Deco Engagement Rings

Materials

White Diamond, Pink Diamond, Gold, 18k Gold

GIA Certified 2.75 Carat F/VS1 Marquise Shape Diamond 18K Gold Ring
Located in New Delhi, Delhi
solitaire ring come in 18k gold with a GIA Certified Natural Diamond of 2,75, in perfect marquise shape, in
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, 18k Gold

GIA Certified 5.69 Carat Fancy Light Brown-Yellow Marquise Diamond Ring
Located in Miami, FL
GIA certified fancy light brown-yellow marquise cut diamond ring. Surrounded by a white diamond
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, Yellow Diamond, Gold, 18k Gold, Rose Gold, White Gold

GIA Certified 5.00 Carats F/VS1 Marquise Shape Diamonds 18K Gold Ring
Located in New Delhi, Delhi
An exquisite Diamonds solitaire ring in a modern style. The marquise cut is an underrated, elegant
Category

21st Century and Contemporary Contemporary Solitaire Rings

Materials

Diamond, 18k Gold

Emerald and Marquise Diamond Duo Ring – GIA Certified
Located in Scottsdale, AZ
18k Gold Ring with Emerald and Marquise Cut Diamonds This sophisticated 18k gold ring features a
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 18k Gold

GIA Certified 1.40 Carat Natural Marquise E SI1 Platinum Diamond Engagement Ring
Located in Los Angeles, CA
GIA Certified 1.40 Carat Natural Marquise E SI1 Platinum Diamond Engagement Ring. The centerstone
Category

2010s Unknown Modern Engagement Rings

Materials

Diamond, Platinum

14k White Gold GIA Certified 1.11ct Marquise Cut Diamond Engagement Ring Set
Located in Boca Raton, FL
Ring Set, featuring a 1.11ct GIA-certified marquise diamond at its center, accented by 1.98ctw of
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, 14k Gold, White Gold

GIA Marquise and Trillion 3.50 Diamond Custom Platinum Three-Stone Ring
By Five Star Jewelry
Located in Austin, TX
. This marquise and trillion diamond three stone ring has a Marquise diamond set in the center. The
Category

21st Century and Contemporary American Artisan Engagement Rings

Materials

Diamond, White Diamond, Platinum

GIA 1 Carat Marquise Diamond East West Pendant Necklace in 18K Yellow Gold
Located in Los Angeles, CA
Beautiful 1.00 ct. L VS2 white diamond marquise shape. Handmade in 18k yellow gold. Length is
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Yellow Gold

14k White Gold 2.2ctw Gia Fiery Marquise Diamond Big Show Engagement Ring
Located in Montclair, NJ
--Stone(s):-- (1) Natural Genuine Diamond - Marquise Cut - Dual Prong Set - Warm K Color - SI2
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Gold

GIA Certified 0.69 Carat Marquise Fancy Intense Yellow Diamond Cocktail Ring
Located in Chicago, IL
, VVS1 clarity (almost flawless) and GIA certified, this marquise cut makes this vibrant. With 0.25
Category

2010s American Contemporary Cocktail Rings

Materials

White Diamond, Yellow Diamond, 18k Gold, White Gold

GIA and GRS Certified 7.80 Emerald and Marquise Round Diamond Earrings
Located in Chicago, IL
An exquisite pair of earrings made by round diamonds, suspending step-cut emeralds and marquise
Category

2010s American Contemporary Clip-on Earrings

Materials

Diamond, Emerald, 18k Gold

GIA 8.20 Carat Certified Blue Sapphire 2.13 Carat White Diamond Platinum Ring
By Hasbani Diamonds
Located in London, GB
the Center with 0.81 Carat of Color H Clarity SI1 Marquise Shaped Diamonds and 1.32 Carat of Color H
Category

2010s British Modern Engagement Rings

Materials

Diamond, Blue Sapphire, White Diamond, Platinum

GIA Certified Marquise 3.70 Carat Natural Loose Fancy Deep Yellow SI2 Diamond
Located in Ramat Gan, Tel Aviv District
GIA Report #15589045 GIA Certified Marquise 3.70 Carat Natural Loose Fancy Deep Yellow SI2 Diamond
Category

2010s Unknown Modern Loose Gemstones

Materials

Diamond

GIA Certified 2.00 Carat Marquise Diamond Engagement Ring
Located in New York, NY
Stunning Platinum Engagement Ring with 2.00 Carats GIA Certifies D-VS1 Marquise Diamond surrounded
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, Platinum

Diana M. Platinum Diamond Pendant with Marquise and Pear 4.06ct GIA Certified
By Diana M. Jewels
Located in New York, NY
Platinum diamond pendant with marquise and pear shapes all GIA Certified 2.03cts G SI1 GIA and
Category

21st Century and Contemporary American Modern Pendant Necklaces

Materials

Diamond, Platinum

18k Gold Platinum Large 3.02ctw GIA Marquise Diamond Flared Baguette Sides Ring
Located in Montclair, NJ
--Stone(s):-- (1) Natural Genuine Diamond - Marquise Cut - Prong Set - J Color - SI2 Clarity
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold, Platinum

GIA Certified 3.00 Ct D/VS2 Marquise Shape Diamond 18K Gold Solitarie Ring
Located in New Delhi, Delhi
👑 Majestic Marquise 👑 💍 3.30 Carats Marquise Shape Diamond Ring D Color VS2 Clarity GIA
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, 18k Gold

GIA Certified .55 Carat Marquise Shape Diamond Engagement 14K Gold Ring
Located in Chicago, IL
This elegant diamond ring beautifully showcases a lively 0.55-carat marquise-cut diamond at its
Category

2010s Unknown Art Deco Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Beauvince Rumi 3 Stone Engagement Ring (5.54 ct Marquise IVS1 GIA Diamond)
By Beauvince Jewelry
Located in New York, NY
, a marquise lovers dream and fully customizable to personal style preferences. Center Diamond Shape
Category

2010s Three-Stone Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

GIA Certified 2.72 Carats Marquise Cut Diamond Three-Stone Engagement Ring
By Roman Malakov
Located in New York, NY
A remarkable three-stone engagement ring, featuring a 2.72 carats marquise cut diamond certified by
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

GIA Certified 3.00 Ct FLAWLESS / E color Marquise Shape Diamond 18K Gold Ring
Located in New Delhi, Delhi
ring come in 18k gold with a lustrous GIA Certified Diamond of 3,00 carats , in perfect marquise shape
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, 18k Gold

GIA Certified 0.30ct Marquise Shape Diamond Round Brilliant Cut Engagement Ring
Located in Hong Kong, HK
Product Specifications: - One 0.30ct (F/SI1, with GIA certificate) Marquise diamond at the centre
Category

2010s Hong Kong Romantic Wedding Rings

Materials

Diamond, 18k Gold, White Gold

Louis Newman Co GIA Certified 7 carat Elongated Marquise Cut Diamond Ring
Located in New York, NY
if you are looking for big flash and low cash, look no further. This Elongated Marquise cut is a
Category

2010s American Three-Stone Rings

Materials

Diamond, Platinum

GIA 9.80ctw 1960s Estate "BALLERINA" Marquise Diamond Cocktail Ring by Palais
Located in New York, NY
ESTATE "BALLERINA" NATURAL MARQUISE CUT DIAMOND RING ( convertible to a Pendant )! The Center Diamond is
Category

Vintage 1960s North American Modern Cocktail Rings

Materials

Diamond, Platinum

GIA Certified 5.00 Ct F/VS1 Marquise Shape Diamond 18K Gold Solitaire Ring
Located in New Delhi, Delhi
GIA Certified Diamond of 5,00 carats, in perfect marquise shape, F color VS1 clarity , very sparkly
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, 18k Gold

Alexander Beverly Hills GIA 0.73ct Marquise Diamond Abstract Ring 18k Gold
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
Beverly Hills 0.73 carat marquise brilliant diamonds. Approximately I color grade, and VS2 clarity grade
Category

21st Century and Contemporary American Contemporary Solitaire Rings

Materials

Diamond, White Diamond, Gold, 18k Gold, White Gold, Yellow Gold

GIA 1.01ct Marquise Cut Diamond Onyx Engagement Ring
Located in New York, NY
This stunning platinum ring is centered with a sparkling GIA certified marquise cut diamond that
Category

20th Century Engagement Rings

Materials

Diamond, Onyx, Platinum

14k Yellow Gold GIA Certified 1ct Natural Marquise Cut Diamond Wave Necklace
Located in Boca Raton, FL
14k Yellow Gold GIA Certified 1ct Natural Marquise Cut Diamond Wave Necklace  This elegant
Category

21st Century and Contemporary North American Modern Pendant Necklaces

Materials

Diamond, White Diamond, 14k Gold, Yellow Gold, Gold

FLASH SALE GIA 0.50 Carat Light Yellow Brilliant Marquise Shape Natural Diamond
Located in Great Neck Plaza, NY
GIA 0.50 Carat Light Yellow Brilliant Marquise Shape Natural Diamond Diamond Color: Light yellow
Category

2010s American Loose Gemstones

Materials

Diamond, Yellow Diamond, White Gold, 14k Gold

GIA Certified 1.84 Carat Marquise Diamond Cluster Halo Bangle Bracelet 14 Karat
Located in New York, NY
GIA Certified .74ct. Natural Marquise diamond. Report: 1172155328 H-color vs-2 clarity. 1.10ct
Category

2010s American Bangles

Materials

Diamond, 14k Gold, White Gold

GIA Certified 7.90 Carats Flawless D Color Marquise Shape Diamonds 18K Gold Ring
Located in New Delhi, Delhi
come in 18k gold with lustrous GIA Certified Diamond of 7,90 carats , in perfect marquise shape, D
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, 18k Gold

GIA Certified 4.00 Carats F/VS1 Marquise Cut Diamond 18K Gold Ring Solitaire
Located in New Delhi, Delhi
gold with a lustrous GIA Certified Diamond of 4,00 carats , in perfect marquise shape , F color VS
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, 18k Gold

Scarselli Platinum ring with DeBeers GIA Certified 5 Carat Marquise Diamond
By DeBeers
Located in New York, NY
Scarselli's Fancy Yellow 3 carat marquise Diamond, accenting this memorable DeBeers, smooth styling diamond
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, Platinum

Platinum GIA 1.1ctw Marquise Burma Vivid Red Ruby w/ Diamond Swirl Halo Ring
Located in Montclair, NJ
--Stone(s):-- (1) Natural Genuine Ruby - Marquise Cut - Excellent cut - Prong Set - Truly Blood Red
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Ruby, Platinum

GIA 2.65 carat Fancy Deep Orangy Yellow Marquise cut diamond solitaire ring
Located in Beverly Hills, CA
luxurious gold craftsmanship. At its center is a captivating GIA-certified marquise cut diamond weighing
Category

21st Century and Contemporary Modern Solitaire Rings

Materials

Yellow Diamond, Gold, 22k Gold, Yellow Gold

GIA Certified 1.01 Carat Natural Marquise Diamond Cluster Halo Ring 18 Karat
Located in New York, NY
Marquise Cluster Halo Prime GIA Certified 1.01ct. Marquise cut diamond ring. Report Id
Category

2010s American Cluster Rings

Materials

Diamond, 18k Gold, White Gold

J. Birnbach GIA Certified 1.52 Carat Marquise Diamond East-West Engagement Ring
By J. Birnbach
Located in New York, NY
marquise-cut diamond, certified by GIA with a stunning H color and I1 clarity, making it a remarkable focal
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

GIA-certified 3.01 Carat Marquise Cut Diamond Ring in 18K White Gold
By Antinori Fine Jewels
Located in Chicago, IL
silhouette. At its center rests a GIA certified 3.01 carat marquise diamond admired for its distinctive
Category

2010s Contemporary Engagement Rings

Materials

Diamond, White Diamond, Gold, 18k Gold, White Gold

GIA Certified 5.31 Carat Marquise Brilliant Cut Diamond Ring
By Antinori Fine Jewels
Located in Chicago, IL
GIA-certified 5.31 carat Marquise Brilliant Cut diamond, flanked by two perfectly matched trillion-cut
Category

2010s Unknown Contemporary Three-Stone Rings

Materials

Diamond, White Diamond, Platinum

GIA White Diamond Marquise 0.50 ct. Each Tennis Bracelet in 18K White Gold
Located in Los Angeles, CA
Gorgeous 19.58 ct. DEF VVS-VS white diamond marquise shapes. Total of 37 stones, each stone is
Category

21st Century and Contemporary Tennis Bracelets

Materials

White Diamond, White Gold

GIA Natural 0.98 Carat Marquise Cut Diamond Platinum Engagement Ring In Stock
Located in Boca Raton, FL
GIA Certified Platinum 0.98ctw Marquise Cut Diamond Engagement Ring This unique, Marquise-cut
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

GIA Certified 1.26 Carats Marquise Cut Diamond Halo Pavé Engagement Ring
By Roman Malakov
Located in New York, NY
A unique engagement ring, featuring a 1.26 carats marquise cut diamond certified by GIA as E color
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, 18k Gold, White Gold

GIA Certified Marquise Diamond Three-Stone Engagement Ring 3.42 Carat D/VVS2
Located in Mayfair, London, London
An magnificent diamond ring in 18k white gold. The central marquise cut diamond weighs 3.42ct, is D
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 18k Gold, White Gold

GIA Certified 6.02 Carat Marquise Shape Fancy Light Yellow Diamond Cocktail Ring
By Joke Quick
Located in Antwerp, BE
GIA-certified 6.02 ct Fancy Light Yellow marquise-cut diamond (VS2). The centre diamond is framed by
Category

2010s Belgian Contemporary Cocktail Rings

Materials

Diamond, Yellow Diamond, Pink Diamond, 18k Gold, Rose Gold, Yellow Gold

GIA Certified 3.00 Carats D/VS2 Marquise Shape Diamonds 18K Gold Solitarie Ring
Located in New Delhi, Delhi
lustrous GIA Certified Diamond of 3,00 carats, in perfect shape, D color VS2 clarity, very sparkly, and
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, 18k Gold

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Marquise Diamond Gia For Sale on 1stDibs

Surely you’ll find the exact marquise diamond gia you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and White Gold. In our selection of items, you can find a vintage example as well as a contemporary version. If you’re looking for a marquise diamond gia from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 18th Century while another version may have been produced as recently as the 21st Century. A marquise diamond gia from J. Birnbach, Antinori Fine Jewels and Roman Malakov — each of whom created a beautiful version of this treasured accessory — is worth considering. A marquise cut version of this piece has appeal, but there are also oval cut and round cut versions for sale. Finding a marquise diamond gia for sale for women should be easy, but there are 98 pieces available to browse for unisex as well as men, too.

How Much is a Marquise Diamond Gia?

The price for a marquise diamond gia starts at $1,200 and tops out at $1,875,000 with these rings, on average, selling for $15,700.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.  

Questions About Marquise Diamond Gia
  • 1stDibs ExpertJune 15, 2023
    What a marquise diamond symbolizes is largely a matter of individual interpretation. Some people associate the elongated shape with joy and happiness, while others believe it is a symbol of love. On 1stDibs, shop a collection of marquise-cut diamond jewelry on 1stDibs.
  • 1stDibs ExpertFebruary 17, 2023
    Whether marquise diamonds are good is largely a matter of personal preference. However, many people appreciate the shape of the cut or feel that it looks flattering on their hands. Also known as the navette cut (meaning “little boat” or “sailboat” in French), marquise-cut stones are easy to identify due to their elliptical shape that is tapered on both ends. Stones with a marquise cut are considered modified brilliant because they have 58 facets. On 1stDibs, find a variety of diamond jewelry from some of the world's top sellers.
  • 1stDibs ExpertSeptember 16, 2024
    Yes, many jewelry lovers believe that a GIA diamond is worth it. The Gemological Institute of America (GIA) gives its certification only to diamonds that meet high standards in terms of their color, clarity and cut. Purchasing a GIA-certified diamond can be a way to feel confident about the quality of the gemstone you receive. However, whether or not it’s worth investing in GIA-certified diamonds is totally subjective! At 1stDibs, we believe in buying what you love. Our shopping experience enables discovery and learning, whether you are a seasoned connoisseur or just beginning your collection. On 1stDibs, shop a wide range of diamond jewelry from some of the world's top sellers.
  • 1stDibs ExpertAugust 20, 2024
    Yes, in many cases, GIA diamonds are worth more. To gain Gemological Institute of America (GIA) certification, a diamond must meet very high standards. As a result, diamonds that carry the certification usually have high color, cut and clarity ratings, making them more valuable than gemstones that can't meet the standards established by the GIA. Also, people may be more willing to pay high prices for GIA-certified diamonds because the certification is a testament to their quality. Shop a large selection of diamond jewelry on 1stDibs.
  • 1stDibs ExpertFebruary 13, 2023
    Marquise cut diamonds can be less expensive per carat compared to other popular diamond shapes. The 4Cs, the grading system that was established by the Gemological Institute of America (GIA) in the 1950s, are the guidelines that determine how marquise diamonds are graded. The price of marquise cut diamonds will be affected by market conditions as well as the aforementioned 4Cs, which are carat weight, color, clarity, and cut quality. Find a collection of diamond jewelry on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    Yes, Cartier diamonds are indeed GIA certified. The Gemological Institute of America (GIA) works closely with Cartier and certifies everything from the cut and clarity to the color of the gem. Shop a collection of expertly vetted Cartier jewelry from some of the world’s top sellers on 1stDibs.
  • 1stDibs ExpertFebruary 22, 2021
    When a diamond is GIA certified, it means that the stone has undergone the meticulous set of grading procedures that have been established by the Gemological Institute of America. The GIA is not a jeweler — it is an independent, nonprofit group that sets the standards for determining the quality of a diamond.
  • 1stDibs ExpertAugust 17, 2021
    In the United States, diamond rings are certified by an official gemological laboratory known as the Gemological Institute of America. A certified diamond ring means that the diamond has undergone a quality analysis by experts at an institution such as the GIA and these experts have issued a lab report that is indicative of the grading process.
  • 1stDibs ExpertOctober 7, 2024
    GIA diamonds are real. The Gemological Institute of America, or GIA, only certifies real diamonds that meet the organization's cut, clarity and color standards. Both naturally mined diamonds and human-made lab-created diamonds can be GIA-certified. On 1stDibs, shop a wide variety of diamond jewelry from some of the world's top sellers.
  • 1stDibs ExpertOctober 19, 2021
    A marquise-cut diamond looks great in a variety of settings, but you should choose one that protects the center stone. Some of the top marquise diamond ring settings are bezel, prong and halo. Find a variety of marquise-cut diamond rings on 1stDibs today.
  • 1stDibs ExpertFebruary 13, 2023
    While diamond studs don't need to be GIA-certified to be sold, experts typically recommend that you only purchase diamonds that carry certification from the Gemological Institute of America (GIA) or Authentic Gem Security Lab (AGSL). Certifications bring transparency to the buying process, allowing you to know the level of quality of a diamond before you purchase it. Shop a collection of vintage and modern diamond gemstone earrings from some of the world’s top jewelers on 1stDibs.
  • 1stDibs ExpertMarch 22, 2022
    Whether Neil Lane diamonds are GIA-certified or not depends on the piece. All of the diamonds featured in rings and other jewelry designs from the Neil Lane Couture collection do carry GIA certification. Pieces made for third-party retailers may not. On 1stDibs, find a collection of Neil Lane jewelry.
  • 1stDibs ExpertAugust 15, 2024
    Many experts believe that buying a GIA-certified diamond is worth it. The Gemological Institute of America (GIA) has a well-established reputation for providing accurate, trustworthy ratings and certifications. A diamond that carries a GIA certification has undergone rigorous examinations and tests to assess its quality, which can make it a good investment. Find a diverse assortment of diamond jewelry on 1stDibs.