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Gia Certified Earrings

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GIA Certified Round Brilliant Cut Diamond Stud Earrings
Located in Mayfair, London, London
A stunning pair of 18k white gold diamond earrings. Each stud is set with a round brilliant cut
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, 18k Gold, White Gold

GIA Certified Columbian Emerald and Diamond Platinum Earrings
Located in MIAMI, FL
One of a kind beautiful pair of handmade platinum earrings. This vintage design shows two Columbian
Category

Late 20th Century Unknown Art Deco Stud Earrings

Materials

Diamond, Emerald, Platinum

Victorian Diamond Gold Platinum Dangle Earrings, GIA Certified
Located in Stamford, CT
Exceptional handmade one of a kind world class Platinum dangle earrings with 18k pink gold backings
Category

Antique 1890s Dangle Earrings

Materials

Diamond, 18k Gold, Platinum, Rose Gold

GIA Certified Handmade 10.08 Carat Diamond Stud Earrings
By H H Jewels
Located in Miami, FL
Adorn your ears with these amazing 10.08 carat Total Weight Diamond Stud Earrings. The color is I
Category

2010s American Stud Earrings

Materials

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

Cartier GIA Certified 1.20 Carat Diamond Stud Earrings
By Cartier
Located in Feasterville, PA
A fabulous pair of Cartier diamond stud earrings totalling 1.20ct.
Category

2010s Stud Earrings

Materials

Diamond, White Diamond, 18k Gold

GIA Certified Handmade 1.23 Carat Diamond Lever Back Earrings
By H H Jewels
Located in Miami, FL
a total of 1.23 carats. They are G in color and SI2/I1 in clarity. Both stones are GIA certified
Category

2010s American Stud Earrings

Materials

Diamond, Gold, 18k Gold, White Gold

GIA Certified 4.07ctw Heart Shaped Diamond Stud Earrings
Located in Boca Raton, FL
Style: Stud Earrings Diamond Carat Total Weight: 4.07 Carats Total Stone 1: 8.81 x 9.28 x 4.18
Category

20th Century Stud Earrings

Materials

Diamond, Platinum, White Gold

GIA Certified .98 Carat Round Natural Diamond Stud Earrings
Located in Baltimore, MD
GIA Certified .98 Carat I SI1-2 Round Natural Diamond Stud Earrings GIA report numbers: 2225350588
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

Diamond, 14k Gold, White Gold

GIA Certified 27.93 Carats Diamond Inside-Out Hoop Earrings
Located in New York, NY
GIA Certified 27.93 carats diamond inside-out hoop earrings in 18k white gold. These earrings are
Category

21st Century and Contemporary American Artist Hoop Earrings

Materials

Diamond, 18k Gold

GIA Certified Colorless Platinum Diamond Martini Stud Earrings 3.40ctw
Located in Tustin, CA
Martini Stud Earrings. These beautiful earrings feature two GIA certified and laser inscribed diamonds
Category

2010s American Contemporary Stud Earrings

Materials

Diamond, Platinum

Diamond Stud Earrings, 2.01 Carat, GIA Certified, G, I1
By Harbor Diamonds
Located in New York, NY
: I1 GIA Certified
Category

2010s American Contemporary Stud Earrings

Materials

Diamond, 14k Gold

GIA Certified 2.04 Carat Diamond Emerald Chandelier Style Earrings
Located in Bangkok, TH
The perfectly matched pair of Diamond... 1. GIA Certified 1.02 Carat Weight Diamond L Color VVS2
Category

Late 20th Century Thai Art Deco Chandelier Earrings

Materials

Diamond, Emerald, 18k Gold, White Gold

Diamond Stud Earrings, 2.09 Carat GIA Certified, I, I1
By Harbor Diamonds
Located in New York, NY
: I Clarity: I1 GIA Certified
Category

2010s American Contemporary Stud Earrings

Materials

Diamond, 14k Gold

GIA Certified 6.28 Carats Heart Shape Diamond Stud Earrings
By J. Birnbach
Located in New York, NY
These breathtaking stud earrings are set in 18K white gold with screw backs, and feature GIA
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond

3.38 ct GIA Certified Natural Yellow Diamond Dangle Earrings
By Hakimi s Gem
Located in Chicago, IL
These stunning multi-color diamond earrings feature 4 natural color diamonds GIA certified weighing
Category

2010s Dangle Earrings

Materials

Diamond, Platinum

GIA Certified 3.02 3.06 Carat L Color Diamond Earrings
Located in New York, NY
carat round diamonds of L color, VS1 and SI1 clarity. Both diamonds are certified by GIA. Platinum
Category

21st Century and Contemporary American Stud Earrings

Materials

Diamond, Platinum

GIA Certified Pear Cut Drop Earrings Set in Platinum
Located in London, England
A beautiful pair of contemporary GIA certified diamond drop earrings set in platinum. Each
Category

2010s Modern Drop Earrings

Materials

Diamond, Platinum

J. Birnbach GIA Certified Pear Shape Diamonds Drop Earrings
By J. Birnbach
Located in New York, NY
Those J. Birnbach GIA certified 18 Karat White Gold earrings feature two pear shape diamonds, each
Category

21st Century and Contemporary American Modern Drop Earrings

Materials

Diamond, 18k Gold, White Gold

Vivid Diamonds GIA Certified 2.92 Carat Diamond Stud Earrings
By Vivid Diamonds
Located in Miami, FL
Stunning solitaire stud earrings crafted in 18 karat white gold, showcasing 2 GIA Certified round
Category

2010s American Modern Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Vivid Diamonds GIA Certified 1.50 Carat Diamond Stud Earrings
By Vivid Diamonds
Located in Miami, FL
Stunning solitaire stud earrings crafted in 18 karat white gold, showcasing 2 GIA Certified round
Category

2010s American Modern Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Vivid Diamonds GIA Certified 1.41 Carat Diamond Stud Earrings
By Vivid Diamonds
Located in Miami, FL
Stunning solitaire stud earrings crafted in 18 karat white gold, showcasing 2 perfectly matched GIA
Category

2010s American Modern Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Vivid Diamonds GIA Certified 7.19 Carat Diamond Stud Earrings
By Vivid Diamonds
Located in Miami, FL
Stunning solitaire stud earrings crafted in white gold, showcasing 2 perfectly matched GIA
Category

2010s American Modern Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Vivid Diamonds GIA Certified 5 Carat Diamond Stud Earrings
By Vivid Diamonds
Located in Miami, FL
stunning GIA Certified round brilliant cut diamonds weighing 5.00 carats total, K color SI2 clarity. These
Category

2010s American Modern Stud Earrings

Materials

Diamond, Platinum

Vivid Diamonds GIA Certified 3 Carat Solitaire Stud Earrings
By Vivid Diamonds
Located in Miami, FL
spectacular GIA Certified round brilliant cut diamonds weighing 3.00 carats total, J color SI2 clarity. These
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

Diamond, Platinum

Vivid Diamonds GIA Certified 4.02 Carat Diamond Stud Earrings
By Vivid Diamonds
Located in Miami, FL
spectacular GIA Certified round brilliant cut diamonds weighing 4.02 carats total, I color SI2 clarity. These
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

Diamond, Platinum

Vivid Diamonds GIA Certified 2.01 Carat Diamond Stud Earrings
By Vivid Diamonds
Located in Miami, FL
spectacular GIA Certified round brilliant cut diamonds weighing 2.01 carats total, K color SI2 clarity. These
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

Diamond, Platinum

GIA Certified Lapis Gold Clip Post Dangle Chandelier Earrings
Located in Stamford, CT
Mid-Century handmade 14k yellow gold Lapis, long dangle chandelier earrings. 2 oval GIA certified
Category

Mid-20th Century Dangle Earrings

Materials

Lapis Lazuli, 14k Gold, Yellow Gold, Gold

Vintage GIA Certified Natural Sapphire and Diamond Halo Earrings
Located in London, England
. Each earring centrally features a beautiful blue GIA certified round cut sapphire surrounded by a halo
Category

21st Century and Contemporary Modern Stud Earrings

Materials

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

Vivid Diamonds GIA Certified 2.01 Carat Diamond Stud Earrings
By Vivid Diamonds
Located in Miami, FL
spectacular GIA certified round brilliant cut diamonds weighing 2.01 carats total, G color SI2 clarity. These
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Vivid Diamonds GIA Certified 4.55 Carat Diamond Stud Earrings
By Vivid Diamonds
Located in Miami, FL
spectacular GIA Certified round brilliant cut diamonds weighing 4.55 carats total, I-J color SI2 clarity
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

Diamond, Platinum

Vivid Diamonds GIA Certified 13.06 Carat Diamond Dangle Earrings
By Vivid Diamonds
Located in Miami, FL
Sensational Vivid Diamonds Dangle Earrings finely crafted by hand in platinum, featuring 36 GIA
Category

21st Century and Contemporary American Modern Dangle Earrings

Materials

Diamond, Platinum

Vivid Diamonds GIA Certified 14.50 Carat Diamond Dangle Earrings
By Vivid Diamonds
Located in Miami, FL
Sensational Vivid Diamonds Dangle Earrings finely crafted by hand in platinum, featuring 36 GIA
Category

21st Century and Contemporary American Modern Dangle Earrings

Materials

Diamond, Platinum

GIA Certified 10 Carat Oval Diamond Stud Platinum Earrings
By RAF Jewels
Located in New York, NY
platinum. Each diamond is certified by GIA, and weighs well over five carats with a I-VS2 and J-VS1 color
Category

21st Century and Contemporary American Contemporary Stud Earrings

Materials

Diamond, White Diamond, 18k Gold, Platinum

GIA Certified Princess Cut Diamond Stud Earrings 3.42 Carat
Located in Mayfair, London, London
A stunning pair of 18k white gold diamond earrings. Each earring has a princess cut diamond in a
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, 18k Gold, White Gold

GIA Certified 1.00ct 1.02ct Pear-Shaped Diamond Stud Earrings
Located in New York, NY
Finely crafted in 14k white gold with two GIA certified Pear-Shaped diamonds. One diamond weighs
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, 14k Gold

GIA Certified Round Brilliant Cut Diamond Earrings 1.20 Carat
Located in Mayfair, London, London
earrings come complete with a presentation box and GIA diamond reports. GIA Certificate Number: 5346747652
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, 18k Gold, White Gold

GIA Certified Round Brilliant Cut Diamond Earrings 1.07 Carat
Located in Mayfair, London, London
weight of 1.7 grams. The earrings come complete with a presentation box and GIA diamond reports. GIA
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, 18k Gold, White Gold

GIA Certified 2.63 Carat Diamond Platinum Gold Stud Earrings
Located in Stamford, CT
gold friction backs. Each stone is GIA certified. Laser drilled 1 round brilliant cut D SI2 diamond
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, Gold, 14k Gold, White Gold

Vivid Diamonds GIA Certified 3.50 Carat Diamond Stud Earrings
By Vivid Diamonds
Located in Miami, FL
Stunning solitaire stud earrings crafted in 18 karat white gold, showcasing 2 GIA round brilliant
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

Diamond, Platinum

GIA Certified 5.37 Carat Each D Color Diamond Earrings
Located in New York, NY
Mesmerizing drop earrings featuring two emerald-cut diamonds weighing 5.37 carat each, D color, VS1
Category

21st Century and Contemporary American More Earrings

Materials

Diamond, Platinum

3.14 Carat GIA Certified Round Brilliant Diamond Stud Earrings
By Vivid Diamonds
Located in Miami, FL
Platinum Diamond Earrings featuring a perfectly matched pair of round brilliant cut diamonds H
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

Diamond, Platinum

GIA Certified 9.40 Carat Radiant Cut Diamond Dangle Earrings
Located in New York, NY
Each Center stone weighs 4.20 carats and are Radiant cuts, GIA certified K SI1. These stone have
Category

2010s American Dangle Earrings

Materials

Diamond, Platinum

GIA Certified Fancy Yellow 10.31 Carat Radiant Cut Earrings
Located in New York, NY
Both Stones are GIA certified Fancy Yellow VS1 quality. Both were cut in our factory to be an exact
Category

2010s American Stud Earrings

Materials

Yellow Diamond, 18k Gold, Yellow Gold

3.44 Carats GIA Certified D VS Diamond Stud Earrings
By J. Birnbach
Located in New York, NY
A classic design, these stunning earrings feature two round brilliant-cut diamonds mounted in hand
Category

21st Century and Contemporary American Stud Earrings

Materials

Diamond, White Diamond, 18k Gold, White Gold

Vivid Diamonds GIA Certified 8.13 Carat Diamond Stud Earrings
By Vivid Diamonds
Located in Miami, FL
Stunning Vivid Diamonds solitaire stud earrings crafted in 18 karat white gold, showcasing 2
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

Diamond, 18k Gold, White Gold

GIA Certified Round Brilliant Cut Diamond Earrings 1.41ct TDW
Located in Mayfair, London, London
An exquisite pair of 18k white gold diamond stud earrings. The earrings feature round brilliant cut
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Cartier Diamond Tulipe Chandelier Earrings 3.48 Carat GIA Certified
By Cartier
Located in Mayfair, London, London
A luxurious pair of platinum diamond Cartier chandelier drop earrings from the Tulipe collection
Category

21st Century and Contemporary Chandelier Earrings

Materials

Diamond, Platinum

Platinum White Yellow Purple Diamond Drop Earrings GIA Certified
Located in Boca Raton, FL
These amazing colorful diamond dangle earrings feature yellow, purple, and white natural diamonds
Category

21st Century and Contemporary Unknown Modern Drop Earrings

Materials

White Diamond, Yellow Diamond, Platinum

GIA Certified Fancy Yellow Diamond Earrings DTW. 4.77 Carat
Located in New York, NY
Stunning Handmade 18K Yellow Gold Diamond Earrings with 54 Round Brilliant cut diamonds D-E-F color
Category

2010s American Modern Stud Earrings

Materials

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

GIA Certified Heart Shape Yellow Diamond Halo Stud Earrings
By Roman Malakov
Located in New York, NY
single row of round brilliant diamonds. GIA certified the yellow diamonds as Fancy Light Yellow, VS1-VS2
Category

21st Century and Contemporary American Contemporary Stud Earrings

Materials

Diamond, Yellow Diamond, 18k Gold, Platinum

GIA Certified Platinum Heart Shaped Diamond Earrings 3.42ct TDW
Located in Mayfair, London, London
An extraordinary pair of platinum diamond stud earrings. The earrings feature heart shaped diamonds
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, Platinum

GIA Certified No Heat Red Ruby and Diamond Stud Earrings
Located in Beverly Hills, CA
GIA certified No Heat Thai ruby and diamond yellow gold stud earrings! Each earring has an
Category

21st Century and Contemporary Thai Contemporary Stud Earrings

Materials

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

GIA Certified Pink Tourmaline Diamond Halo Gold Dangle Earrings
Located in Stamford, CT
Fine oval pink Tourmaline dangle earrings with diamond halo wire tops. 2 oval pink Tourmalines
Category

1990s Dangle Earrings

Materials

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

GIA Certified 14.27 Carat Round Cut Diamond Stud Earrings
By Issac Nussbaum
Located in New York, NY
A magnificent pair of diamond stud earrings With an awe inspiring total carat weight of 14.27
Category

2010s North American Modern Stud Earrings

Materials

Diamond, Platinum

GIA Certified 42.00 Carat Emerald Diamond Platinum Dangle Earrings
Located in Stamford, CT
Emerald and diamond dangle drop earrings. Hinged Platinum tops set with single and Marquise cut
Category

Late 20th Century Dangle Earrings

Materials

Diamond, Emerald, Platinum

GIA Certified 10.48 Carat Oval Cut Diamond Stud Earrings
By Issac Nussbaum
Located in New York, NY
Sophisticated elegance with an edge. Rare pair of oval shaped diamond stud earrings. These
Category

2010s American Modern Stud Earrings

Materials

Diamond, Platinum

GIA Certified Heart Colombian Emerald GIA VVS, F 1.12 Ct Each Diamond Earring
Located in New York, NY
GIA Certified Heart Shape Perfect pair Colombian Emerald & GIA certified Solitaire Diamond Earring
Category

Early 2000s Dangle Earrings

Materials

Diamond, Emerald, Platinum

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Gia Certified Earrings For Sale on 1stDibs

Find an expansive variety of gia certified earrings available on 1stDibs. Frequently made of Gold, 18k Gold and White Gold, these items were constructed with great care. Our collection of these items for sale includes 148 vintage editions and 790 modern creations to choose from as well. 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. Our collection of gia certified earrings includes designs that are universally popular, but Modern and Contemporary styles, specifically, are sought with frequency. Antinori Fine Jewels, Harakh and Harbor Diamonds each produced beautiful examples of these items that are worth considering. There are many round cut, pear cut and cushion cut gia certified earrings for sale. Most of our gia certified earrings for sale are for women, but there are 442 pieces available to browse for men.

How Much are Gia Certified Earrings?

Prices for gia certified earrings start at $1,030 and top out at $1,835,500 with these earrings, on average, selling for $20,007.

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.  

Finding the Right Earrings for You

In the United States, ear piercing didn’t really become popular until the 1950s and ‘60s, but our desire for a dazzling pair of vintage earrings has deeper roots than that. In fact, wearing earrings actually goes back thousands of years, and you can find many tangible connections between now and then in how we continue to talk about these treasured accessories.

Women wore ornamental earrings — studs and hoops at the very least — in Ancient Egypt, which is home to mines that are among the earliest sources of emeralds in the world. Emerald earrings are highly prized today, and their quality lies in their rich, saturated color. The highest-quality emeralds are green or bluish-green. Earrings worn by the affluent in early Roman civilizations were set with precious stones such as diamonds and pearls, and a clean-looking pop of pearl on the front of the lobe is as timeless as ever. Hoop earrings are imbued with symbolism and cultural significance for many, and on view in the Metropolitan Museum of Art’s Ancient Near Eastern Art Gallery is a pair of simple gold hoops from Mesopotamia dating to between 2600 and 2500 B.C.

Today, ear piercing is very popular all over the world, and, as a result, it is difficult to overstate how much everyone pines for a good pair of earrings — modernist drop earrings, glamorous Victorian hoops, geometrically complex chandelier earrings, you name it. Sure, jewelry trends and the fashion darlings of social media come and go, but earrings have a staying power that seems impenetrable: The still-strong love affair between British royals and Cartier earrings is more than a century old, glossy 1970s hoops from legacy houses such as Bulgari and Van Cleef Arpels remain the statement makers they’ve always been and although people have been stacking earrings for many moons, the allure of an expertly mismatched stack of charms and studs still feels fresh and new.

While there is no shortage of modern earring designs to choose from, the classics, like coral earrings, Art Deco–style earrings and diamond drop earrings are still heavy hitters. On 1stDibs, find a wide range of antique, new and vintage earrings today.

Questions About Gia Certified Earrings
  • 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 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 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 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 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.