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Gia Certified Sapphires

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GIA Certified 29.25 Carat Sapphire and White Diamond White Gold Bracelet
By Shimon s Creations
Located in New York, NY
10 Sapphire Gemstones: 25.98 Carats 120 White Diamonds: 0.46 Carat 220 White Diamonds: 2.81 Carat
Category

2010s Link Bracelets

Materials

White Diamond, Sapphire, 18k Gold, White Gold

GIA Certified 16.63 Carat Sapphire and Fancy Diamond White Gold Ring
By Shimon s Creations
Located in New York, NY
1 Sapphire Gemstone: 16.24 Carats 10 Round Diamonds: 0.19 Carats 2 Fancy Diamonds: 0.2 Carats Metal
Category

2010s Dome Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

4.13 Carat No-Heat Pink Sapphire Diamond Platinum Ring, GIA Certified
Located in Beverly Hills, CA
piece exudes elegance and is a stunning addition to any collection. Certified by the GIA as natural with
Category

21st Century and Contemporary American Contemporary Fashion Rings

Materials

Diamond, Pink Sapphire, Platinum

GIA Certified 4.71 Carat Sapphire and Fancy Diamond White Gold Ring
By Shimon s Creations
Located in New York, NY
1 Sapphire Gemstone: 3.98 Carats 20 White Round Diamonds: 0.33 Carats 4 Fancy Diamonds: 0.4 Carats
Category

2010s Fashion Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

GIA Certified 3.38 Carats Oval Cut Pink Sapphire Diamond Engagement Ring
By Roman Malakov
Located in New York, NY
A lovely engagement ring, showcasing a rare 3.38 carats oval cut sapphire certified by GIA as Pink
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Sapphire, Pink Sapphire, 18k Gold, Rose Gold

GIA Certified 11.79ct Natural Blue Sapphire Diamonds Ring 14kt Gold 85441
By Unbranded
Located in New York, NY
GIA Certified Natural Sapphire Ring Report 2231463659 15.19 x 12.12 x 6.49mm Transparent, Heated
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, Sapphire, Gold, White Gold

GIA Certified 77.83 Carat Sapphire and White Diamond White Gold Bracelet
By Shimon s Creations
Located in New York, NY
63 Sapphire Gemstone: 75.78 Carats 50 White Round Diamonds: 2.05 Carats Metal: 18K White Gold
Category

2010s Modern Bracelets

Materials

White Diamond, Sapphire, 18k Gold, White Gold

Peter Suchy GIA Certified 3.74 Carat Sapphire Diamond Gold Pendant Necklace
By Peter Suchy
Located in Stamford, CT
the Peter Suchy workshop. 1 pear shaped purple sapphire, SI approx. 3.74cts GIA Certificate
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Sapphire, Purple Sapphire, Gold, 18k Gold, Yellow Gold

GIA Certified 1.71 Carat Blue Sapphire Diamond White Gold Engagement Ring
Located in Stamford, CT
GIA certified natural no heat oval and diamond engagement ring. 1.71ct oval center stone with
Category

Late 20th Century Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, White Gold

GIA Certified Unique 1.08ct Bi Colour Ceylon Blue Sapphire Natural Octagon Gem
Located in Birmingham, GB
GIA Certified Unique 1.08ct Bi Colour Ceylon Blue Sapphire Natural Octagon Gem Unique GIA
Category

21st Century and Contemporary Sri Lankan More Jewelry

Materials

Sapphire

GIA Certified 4.53 Carat Blue Sapphire and Diamond Engagement Ring in Platinum
By Sarosi By Timeless Gems
Located in Los Angeles, CA
A spectacular "royal blue" cushion shaped sapphire is set with gorgeous diamond shields in this
Category

21st Century and Contemporary American Artisan Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Peter Suchy GIA Certified 6.66 Carat Sapphire Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
Stunning sapphire and diamond engagement ring. GIA certified 6.66ct oval center sapphire, mounted
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Sapphire, Platinum

Fine Blue Sapphire Diamond Gold Ring, SSEF, GIA Lotus Certified
Located in Beverly Hills, CA
An exceptional sapphire weighing 9.06 carats with a vibrant and intense blue color. It is so fine
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Blue Sapphire, Gold, 18k Gold, White Gold

Peter Suchy GIA Certified 2.62 Carat Sapphire Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
certified by GIA as natural, no heat. Designed and crafted in the Peter Suchy Workshop. 1 round blue
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified 3.74 Carat Emerald Cut Ceylon Sapphire Diamond Ring in Platinum
Located in Great Neck, NY
GIA Certified Emerald Cut Ceylon Sapphire weighing 3.74 carats Measuring (11.07x7.10x4.63) mm
Category

2010s American Modern Cocktail Rings

Materials

Diamond, Emerald, Sapphire, Blue Sapphire, Platinum

GIA Certified 22.60 Carat Sapphire and White Diamond Rose Gold Ring
By Shimon s Creations
Located in New York, NY
1 No Heat, Color Change Sapphire Gemstone: 22.04 Carats 30 White Round Diamonds: 0.56 Carats Metal
Category

2010s Fashion Rings

Materials

White Diamond, Sapphire, 18k Gold, Rose Gold

GIA Certified 2.20 Carat Blue Sapphire Half Moon Diamond Platinum Ring
By Antinori Fine Jewels
Located in Chicago, IL
This elegant platinum ring showcases a mesmerizing 2.20 carat cushion-cut blue sapphire, certified
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

GIA Certified 3.61 Carat Ceylon Sapphire and Diamond Platinum Cocktail Ring
By Antinori Fine Jewels
Located in Chicago, IL
This refined platinum cocktail ring showcases a stunning GIA-certified 3.61 carat round sapphire
Category

2010s American Art Deco Cocktail Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified 2.62 Carat Natural Oval Blue Sapphire Diamond Halo Ring
Located in Baltimore, MD
GIA Certified 2.62 Carat Natural Oval Blue Sapphire & Diamond Halo Ring Metal: 18k white gold
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Blue Sapphire, White Gold

GIA Certified 3.37 Carats Cushion Cut Sapphire Diamond Halo Engagement Ring
By Roman Malakov
Located in New York, NY
An elegant engagement ring, featuring a 3.37 carats cushion cut blue sapphire certified by GIA as
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, 18k Gold, White Gold

GIA Certified 7.10ct Natural No Heat Sapphire Diamond Ring Trilliants Unheated
Located in New York, NY
No heat & Trilliant Glitz GIA Certified 5.15ct. Natural No heat Sapphire ring. Report
Category

2010s American Solitaire Rings

Materials

Sapphire, White Gold

GIA Certified No Indication of Heating Cabochon Sapphire Diamond Platinum Ring
By Tacori
Located in New York, NY
timeless elegance of Tacori with this GIA Certified No Indication of Heating Ceylon Cabochon Sapphire
Category

1990s American Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified 7.77 Carat Sapphire and White Diamond White Gold Earrings
By Shimon s Creations
Located in New York, NY
2 Sapphire Gemstones: 7.03 Carats 44 White Diamonds: 0.74 Carats Metal: 18K White Gold, 7.70 Grams
Category

2010s Stud Earrings

Materials

White Diamond, Sapphire, 18k Gold, White Gold

GIA Certified 11.33 Carat Pink Sapphire Diamond White Gold Cluster Earrings
Located in Stamford, CT
Oval sapphire and diamond cluster earrings. Clip post earrings with a hidden hook on the back to
Category

1990s Modern Clip-on Earrings

Materials

Diamond, Pink Sapphire, Sapphire, 18k Gold, White Gold

Exquisite GIA GRS Certified 8.54 Carat Oval No Heated Sapphire Ring
By Antinori Fine Jewels
Located in Chicago, IL
. Meticulously crafted for the connoisseur of fine jewelry, this ring boasts a GIA and a GRS Certified, no heat
Category

2010s Unknown Contemporary Engagement Rings

Materials

Sapphire, 18k Gold

GIA Certified 11.93 Carats Sapphire and White Diamond White Gold Earrings
By Shimon s Creations
Located in New York, NY
2 Sapphire Gemstone: 10.65 Carats 4 White Diamonds: 1.28 Carats Metal: 18K White Gold, 5.20 Grams
Category

2010s Drop Earrings

Materials

White Diamond, Sapphire, 18k Gold, White Gold

GIA Certified 5.52 Carat Natural Cornflower Blue Sapphire Diamonds Ring Platinum
Located in New York, NY
Raised Cushioned Princess & Grill Patina GIA Certified 4.52ct. Natural Blue Sapphire ring GIA
Category

2010s American Solitaire Rings

Materials

Diamond, Blue Sapphire, Platinum

GIA Certified 2.43 Carat Royal Blue Sapphire Diamond Halo Gold Earrings
Located in Stamford, CT
Mid-century Royal blue Sapphire and diamond earrings. 18k white gold lever back settings, 4 oval
Category

Mid-20th Century Dangle Earrings

Materials

Blue Sapphire, Diamond, Sapphire, 18k Gold, White Gold, Gold

GIA Certified 2.31 Carat Pink Sapphire Oval Diamond 3-Stone Ring
Located in Miami, FL
GIA Certified 2.31 carat oval cut pink sapphire ring flanked by brilliant trillion-cut diamonds in
Category

21st Century and Contemporary Modern Three-Stone Rings

Materials

Diamond, Pink Sapphire, Gold, 18k Gold, White Gold

Peter Suchy GIA Certified 3.18 Carat Sapphire Diamond Platinum Pendant Necklace
By Peter Suchy
Located in Stamford, CT
Natural GIA certified purple sapphire and diamond pendant necklace. Kite shaped 3.18 sapphire a
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Sapphire, Platinum

Peter Suchy GIA Certified 1.82 Carat Sapphire Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
Natural green sapphire and diamond engagement ring. GIA Certified natural untreated oval cushion
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified 2.55 Carats Oval Sapphire Diamond Three-Stone Engagement Ring
By Roman Malakov
Located in New York, NY
certified by GIA as natural with no indications of heat treatment. Flanked by smaller oval cut diamonds
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

Peter Suchy GIA Certified 4.17 Carat Sapphire Diamond Halo White Gold Earrings
By Peter Suchy
Located in Stamford, CT
Truly one of a kind pair of natural no heat GIA certified octagonal step cut sapphires and diamond
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, Sapphire, Blue Sapphire, Gold, 14k Gold, White Gold

GIA Certified 2.75 Carat Sapphire and White Diamond White Gold Ring
By Shimon s Creations
Located in New York, NY
This item comes in Blue and Purplish colors. 1 No Heat, Cabochon Natural Sapphire Gemstone: 2.26
Category

2010s Fashion Rings

Materials

White Diamond, Sapphire, 18k Gold, White Gold

GIA Certified 6.18 Carat Oval Shaped Sri Lankan Sapphire Diamond Ring
Located in Houston, TX
This 6.18ct oval shape natural blue Sri Lankan sapphire is GIA certified and set in an 18kt white
Category

21st Century and Contemporary American Fashion Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

GIA Certified No Heat Color Change 3.25 Carat Violet-Blue Sapphire Ring
By Gad Co.
Located in Miami, FL
GIA Certified No Heat Color Change Blue Sapphire and Diamond Ring. Center Stone Sapphire exhibits
Category

21st Century and Contemporary North American Contemporary Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Purple Sapphire, Gold, 18k Gold, White...

GIA Certified 6.00 Carat Oval Cabochon Star Sapphire Diamond White Gold Ring
Located in Stamford, CT
Estate 1950's oval natural GIA Certified 6.00 carat star sapphire and diamond ring. GIA certified
Category

Mid-20th Century Cocktail Rings

Materials

Diamond, Sapphire, Star Sapphire, Gold, 14k Gold, White Gold

GIA Certified 3.59 Carat Cushion Cut Unheated Color Change Sapphire Diamond Ring
Located in Trumbull, CT
GIA Certified 3.59 Carat Color-Change Sapphire & Diamond Ring A stunning 3.59 carat cushion-cut
Category

2010s American Artisan Engagement Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified 1.02 Carat Brown Orange Sapphire Diamond Engagement Platinum Ring
Located in Stamford, CT
1940's Sapphire and diamond engagement ring. GIA certified, natural, no heat, brown orange center
Category

Early 20th Century Engagement Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified Untreated Asscher Sapphire Diamond 18k White Gold Three Stone Ring
By Gems and Jewels UK
Located in Birmingham, GB
GIA Certified Deep Blue Untreated Australian Sapphire & Diamond 18k White Gold Three Stone Ring
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond, Sapphire, Blue Sapphire, Green Sapphire, White Diamond, Gold, 1...

Estate GIA Certified Natural Sri Lankan Sapphire and Diamond Ring
Located in Denver, CO
This stunning Estate gem features a cushion cut Sri Lankan natural blue sapphire measuring
Category

Late 20th Century Unknown Contemporary Cocktail Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

Gia Certified Unique Bi Colour Sapphire 1.03ct Blue Green Oval Cut Untreated
By Gems and Jewels UK
Located in Birmingham, GB
Gia Certified Unique Bi Colour Sapphire 1.03ct Blue Green Oval Cut Untreated Natural Unique GIA
Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

GIA Certified 26.75 carats Unheated Ceylon Sapphire Diamond Halo Platinum Ring
Located in La Jolla, CA
GIA Natural No Heat Ceylon Sapphire 26.75 carats and Diamond Ring in Platinum Sapphire and Diamond
Category

21st Century and Contemporary North American Cocktail Rings

Materials

Diamond, Sapphire, Platinum

10.95 Carat Blue Sapphire Diamond 18K White Gold Ring, GIA Certified
Located in Beverly Hills, CA
, with a current size of 6.5 and certified by the GIA as natural. Total weight: 8.8 grams
Category

21st Century and Contemporary American Contemporary Fashion Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

GIA Certified 1.01 Carat Brown Orange Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
has certified the sapphire as natural, no heat. Color is truly unique. 1, GIA certificate
Category

Early 20th Century Engagement Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified 4.61 Carat Emerald Cut Ceylon Sapphire Diamond Ring in Platinum
Located in Great Neck, NY
GIA certified emerald cut Ceylon Sapphire weighing 4.61 carats Measuring (10.31x9.10x4.57) mm
Category

2010s American Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Gia Certified Australian Parti Colour Sapphire 0.86ct Yellow Green Blue Oval Cut
By Gems and Jewels UK
Located in Birmingham, GB
Gia Certified Australian Parti Colour Sapphire 0.86ct Yellow Green Blue Oval Cut Natural Unique
Category

21st Century and Contemporary More Jewelry

Materials

Sapphire

Peter Suchy GIA Certified 2.58 Carat Sapphire Diamond Gold Engagement Ring
By Peter Suchy
Located in Stamford, CT
Sapphire, approx. total weight 2.58cts, 8.49 x 5.85 x 5.17mm. GIA certificate #2135241847 6 round full cut
Category

2010s Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, White Gold

GIA Certified Sri Lanka Natural Unheated Star Sapphire Cabochon Cocktail Ring
Located in Tucson, AZ
gemstone exemplifies the prized qualities of Ceylon (Sri Lanka) sapphires—intense saturated color, defined
Category

Mid-20th Century Unknown Cocktail Rings

Materials

Diamond, Star Sapphire

GIA Certified 2.03 Carat Unheated Sapphire and Diamond Ring Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring a GIA Certified 2.03 Carat Natural Unheated Sapphire and 0.85 Carats
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

GIA Certified 2.42 Carat Purplish Pink Sapphire Diamond Three Stone Ring
Located in Miami, FL
GIA-certified 2.42 carat cushion-cut purplish pink sapphire from Vietnam in an 18K two-tone gold
Category

21st Century and Contemporary Contemporary Three-Stone Rings

Materials

Diamond, Pink Sapphire, Gold, 18k Gold, Yellow Gold, Platinum

Art Deco Platinum GIA Certified Oval 10.47 Carat Blue Sapphire Ring
Located in Los Angeles, CA
beautifully by baguette diamonds in a halo setting. Metal- 90% Platinum, 10% Iridium. Stones- GIA Certified
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

Blue Sapphire, Platinum

GIA Certified 5.94 Carat Oval Shape Natural Pink Purple Sapphire Loose Gemstone
Located in Trumbull, CT
GIA certified 5.94 carat oval shape natural pink purple sapphire is a truly breathtaking loose
Category

21st Century and Contemporary African Artisan Loose Gemstones

Materials

Sapphire, Purple Sapphire

GIA Certified Heart Shape Burmese Ruby, Sapphire with Diamond Ring in Platinum
Located in Bangkok, TH
carats Ring set in Platinum 950 Settings (GIA Certified - Both Stones) Width: 1.0 cm Length: 1.5 cm
Category

2010s Thai Contemporary More Rings

Materials

Diamond, Ruby, Blue Sapphire, Sapphire, Platinum

GIA Certified 2.05 Carat Natural Padparadscha Pink Sapphire Diamond Ring Fine
Located in New York, NY
Classic Halo Cluster GIA Certified 2.05ct. Padparascha Natural Pink Sapphire ring. Report
Category

2010s American Solitaire Rings

Materials

Diamond, Pink Sapphire, 14k Gold, White Gold

Peter Suchy GIA Certified 1.22 Carat Sapphire Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
Peter Suchy sapphire and diamond engagement ring. Round GIA Certified Montana purple natural
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified 3.09 Carat Oval Madagascar Sapphire Platinum Ring with Diamonds
Located in Scottsdale, AZ
Ring Size: 6 Introducing this masterpiece of elegance, a GIA-certified Madagascar sapphire ring
Category

21st Century and Contemporary Unknown Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Platinum

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Gia Certified Sapphires For Sale on 1stDibs

There is a broad range of gia certified sapphires for sale on 1stDibs. Frequently made of Gold, Platinum and 18k Gold, these items were constructed with great care. Find a collection of 417 vintage versions or 727 modern creations for a more contemporary example of these cherished accessories. Our inventory has long been popular, and it includes earlier versions that date to the 19th Century and newer variations that were made as recently as the 21st Century. There are many different pieces in our collection of gia certified sapphires to choose from, but Contemporary and Modern gia certified sapphires are of considerable interest. There have been many well-made iterations of these items over the years, but those made by Peter Suchy, DGI and Beyond Fine Jewelry are often thought to be among the most beautiful. A selection of oval cut, cushion cut and round cut can be found today on these pages. When shopping our range of gia certified sapphires, you’ll find that there are less available pieces for men today than there are for women.

How Much are Gia Certified Sapphires?

Prices for gia certified sapphires start at $368 and top out at $1,070,562 with these rings, on average, selling for $11,404.

The Legacy of Sapphire in Jewelry Design

On 1stDibs, shop the bright blue gems that star in sapphire rings, sapphire necklaces and other vintage and antique sapphire jewelry

Sapphires — the stone of choice for Napoleon, Princess Diana and Elizabeth Taylor — have been a favorite of aristocrats and the well-to-do since the time of the Ancient Greeks.

Picture a sapphire. If the stone you conjure is a deep cornflower blue, you’re seeing only part of the picture. Although blue Kashmirs are considered the most valuable, sapphires come in every color except red. No matter the hue, this very special gem is rich in history and beloved by royals (FYI, Princess Diana and Kate Middleton share an 11-carat sapphire engagement ring), so September babies are in very noble company.

America’s version of royalty — old money and celebrities — have also shown a predilection for the blue stones. In 1940, John D. Rockefeller Jr. had Cartier mount a 62-carat sapphire he had bought from an Indian maharajah in a brooch for his first wife, Abby Aldrich Rockefeller; in 2001, the piece sold for a then-record of $3,031,000 at Christie’s New York.

The grand dame of jewelry, Elizabeth Taylor had a passion for the gems that her lovers were happy to indulge. Second husband Michael Wilding gave her an engagement ring set with a cabochon sapphire, while Richard Burton famously presented her with a BVLGARI sautoir set with diamonds and sapphires, including at its center a cabochon Burmese weighing 52.72 carats. One of the star lots in the sale of Taylor’s jewels at the Christie’s New York in 2011, it sold for $5,906,500.

You don’t have to have blue blood or a bulging bank account, however, to get an eyeful of this much-coveted gem. A number of outstanding examples reside in public collections.

The Smithsonian Museum of Natural History owns the 423-carat Logan sapphire, a gift from the Guggenheim family, and the Hall sapphire and diamond necklace, designed by Harry Winston and featuring 36 fine, well-matched cushion-cut Sri Lankan sapphires weighing a combined 195 carats. Also in the collection is the Bismarck sapphire necklace, designed by Cartier and sporting a central sapphire weighing 98.6 carats, which Mona Von Bismarck donated to the museum.

Sapphires are composed of corundum. Their color derives from trace elements, such as iron, titanium, chromium, copper or magnesium. When the trace element produces a ruby hue, the stone is called, what else, a ruby. (which is, as mentioned above, why sapphires cannot be red by definition).

The allure of large gemstones endures throughout the periods characterized as vintage, and sapphire features frequently in vintage engagement rings. (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.)  

Find an exquisite collection of vintage and antique sapphire jewelry on 1stDibs.

Questions About Gia Certified Sapphires
  • 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 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.