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Type Diamond Gia

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GIA Diamond and Emerald Art Deco Style Stud Earrings in 18k Yellow Gold
Located in Bangkok, TH
Gemstones Type: Diamond (GIA Certified) Shape: Cushion Grade, Size, Number, Weight: W-X/VS1, 4.78x4.76
Category

21st Century and Contemporary Thai Art Deco Stud Earrings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

GIA Fancy Light Yellow Diamond with Emerald and Diamond Halo Art Deco Style Ring
Located in Bangkok, TH
) Center Gemstone Type: Diamond (GIA Certified) Shape: Emerald Cut Average Color: Fancy Light Yellow
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

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

GIA Diamond with Ruby and Sapphire Art Deco Style Engagement Ring in Platinum
Located in Bangkok, TH
: Diamond (GIA Certified) Shape: Round Average Color: K Average Clarity: VVS2 Size: 6.5 mm. Number: 1
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

Diamond, Ruby, Sapphire, Platinum

GIA Diamond with Emerald Art Deco Style Engagement Ring in 18k White Gold
Located in Bangkok, TH
: 3.39 g. (approx. total weight) Size: US7 (resizable) Center Gemstone Type: Diamond (GIA Certified
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

The Lilly Signature GIA Diamond and Ruby Engagement Ring in 18K Rose Gold
Located in Bangkok, TH
) Size: US7 (resizable) Center Gemstones Type: Diamond (GIA Certified) Shape: Lilly Cut Average Color: K
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

Diamond, Ruby, 18k Gold, Rose Gold

GIA Diamond and Emerald Art Deco Style Engagement Ring in 18K Yellow Gold
Located in Bangkok, TH
: US7 (resizable) Center Gemstones  Type: Diamond (GIA Certified) Shape: Cushion Average Color: Y to Z
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

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

GIA Emerald Cut Diamond Emerald Art Deco Style Engagement Ring in 18k Gold
Located in Bangkok, TH
. total weight) Size: US7 (resizable) Center Gemstone Type: Diamond (GIA Certified) Shape: Emerald Cut
Category

21st Century and Contemporary Thai Art Deco Engagement Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

GIA 1.04 Ct. Diamond Sapphire Art Deco Style Engagement Ring in 18K White Gold
Located in Bangkok, TH
. (approx. total weight) Size: US7 (resizable) Center Gemstones Type: Diamond (GIA Certified) Shape
Category

21st Century and Contemporary Unknown Art Deco Engagement Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

Type IIA Golconda Type GIA Certified 10 Carat Oval Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
(GIA) as a Type IIA Golconda gemstone, this magnificent diamond represents the epitome of rarity and
Category

2010s Unknown Modern Engagement Rings

Materials

Diamond, White Diamond, 18k Gold

GIA Certified 8 Carat Type IIA Golconda type Oval Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
An amazing This investment grade 8 carat GIA certified oval cut diamond ring that has D color
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Platinum

TYPE IIA Golconda type GIA Certified 12 Carat Oval Diamond Pave Ring
By Antinori Fine Jewels
Located in Rome, IT
12 carat GIA Certified D Color Internally Flawless Clarity Oval cut diamond is set in a handcrafted
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Platinum

Exceptional GIA Certified 8 Carat Type IIA Golconda type Oval Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
elegance with our Exceptional GIA Certified 8 Carat Type IIA Golconda Oval Diamond Ring. Elevate your style
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, Platinum

Fine GIA "Type A" Jadeite & Diamond Platinum Ring
Located in San Francisco, CA
Type A Natural Jadeite Jade with no indications of impregnation. The exceptional jade is surrounded by
Category

Vintage 1970s Unknown Engagement Rings

Materials

Diamond, Jade, Platinum

10.16 Carat Diamond Platinum Ring, GIA Certified Type 2a
Located in Beverly Hills, CA
by the GIA as natural and being a rare type 2a. This means the stone is extremely pure without any
Category

21st Century and Contemporary American Fashion Rings

Materials

Diamond, Platinum

Vivid Diamonds GIA Certified 7.23 Carat Emerald Cut Diamond Engagement Ring
By Vivid Diamonds
Located in Miami, FL
GIA, Type IIa diamonds are the most chemically pure type of diamonds. Moreover, this extremely rare
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

GIA Certified Golconda Type IIA 12 Carat Emerald Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified Golconda Type IIA 12 Carat Emerald Cut Diamond Ring! 🌟 Step into a world of
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Emerald, Platinum

GIA Certified 10 Carat Certified Type IIA Heart Shape Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified 10 Carat Heart Shape Diamond Ring, a true symbol of everlasting love and
Category

2010s Italian Modern Engagement Rings

Materials

White Diamond, Diamond, White Gold, 18k Gold

GIA Certified 10 Carat Round Cut Diamond Solitaire Ring Flawless type IIA
By Antinori Fine Jewels
Located in Rome, IT
certified by GIA, the world’s premier gemological authority. Under GIA’s rigorous standards, the diamond
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond

3 Carat GIA Certificate G Color Cushion Diamond Platinum Bespoke Engagement Ring
By Hasbani Diamonds
Located in London, GB
A bespoke 3.00 carat cushion cut diamond engagement ring with the perfect combination of elegance
Category

2010s British Modern Engagement Rings

Materials

Diamond, Platinum

GIA Certified 15 Carat Golconda Type IIA Emerald Cut Diamond BOTSWANA ORIGIN
By Antinori Fine Jewels
Located in Rome, IT
An exquisite 15 carat Type IIa diamond ring with an impressive lenght. Take a look at the video
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Emerald, 18k Gold, Platinum

3 Carat GIA Certificate E Color Cushion Diamond Platinum Bespoke Engagement Ring
By Hasbani Diamonds
Located in London, GB
A bespoke ring with one of the best colors and clarity center diamond, 3.00 carat cushion cut
Category

2010s British Modern Engagement Rings

Materials

Diamond, Platinum

Type 2A Golconda GIA Certified 10 Carat Emerald Cut Diamond Solitaire Ring
By Antinori Fine Jewels
Located in Rome, IT
GIA-certified 10 carat VVS1 D color emerald cut diamond. This breathtaking masterpiece boasts
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Emerald, Platinum

Flawless GIA Certified 5 Carat Emerald Cut Diamond Ring Golconda Type IIA
By Antinori Fine Jewels
Located in Rome, IT
An exquisite flawless GIA certified diamond for investment purposes Color Grade :D Clarity Grade
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Emerald, Platinum

TYPE IIA Golconda GIA Certified 12 Carat Oval Diamond Platinum Solitaire Ring
By Antinori Fine Jewels
Located in Rome, IT
diamond, certified by GIA, and boasting an impressive 12 carats. Crafted to perfection and set in
Category

2010s Contemporary Solitaire Rings

Materials

Diamond, Platinum

TYPE IIA GIA Certified 6 Carat Oval Brilliant Cut Diamond Platinum Ring
By Antinori Fine Jewels
Located in Rome, IT
6.04 ct Oval Brilliant Cut Diamond Solitaire Platinum Engagement Ring Type IIa Ideal Cut
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Platinum

GIA Certified 8 Carat D Color Flawless Clarity Diamond Ring TYPE IIA
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified 8 Carat D Color Flawless Clarity Diamond Ring! Elevate your love story to
Category

2010s Unknown Contemporary Engagement Rings

Materials

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

2.55 Carat D IF Type IIA GIA Certified Diamond Platinum Engagement Ring
By Rive Gauche Jewelry
Located in New York, NY
accompanied by a report from the GIA and a separate report stating that this diamond belongs to the rarest
Category

2010s American Solitaire Rings

Materials

Diamond, Platinum

Exceptional GIA Certified 6 Carat Flawless Type 2A Emerald Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
Exceptional GIA Certified 6 Carat Flawless Type 2A Emerald Cut Diamond Ring
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, Emerald, Platinum

4.13 Carat Jadeite Jade Diamond Sunburst Platinum Ring, GIA Certified “Type A”
Located in Beverly Hills, CA
A very fine natural piece of jadeite jade certified by the GIA as “Type A.” It weighs 4.13 carats
Category

21st Century and Contemporary American Fashion Rings

Materials

Diamond, Jade, Platinum

GIA Certified 12 Carat Emerald Cut FLAWLESS D COLOR Type IIA Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
Unrivaled Opulence: GIA Certified 12 Carat Flawless D Color Type IIA Emerald Cut Diamond Ring
Category

2010s Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Emerald, Platinum

Type IIA Golconda D Color GIA Certifield 7 Carat Emerald Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
An exquisite 7 carat Type IIa diamond ring with an impressive lenght. Take a look at the video
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Emerald, Platinum

Type IIA Golconda D Color GIA Certifield 6 Carat Emerald Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
Behold, an exquisite 6-carat Type IIa diamond ring of remarkable length. Type IIa diamonds
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Emerald, Platinum

Type IIA Golconda D Color GIA Certifield 10 Carat Emerald Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
An exquisite 10 carat Type IIa diamond ring with an impressive lenght. Take a look at the video
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Emerald, Platinum

GIA Certified 5 Carat D Color Emerald Cut Diamond Ring TYPE IIA
By Antinori Fine Jewels
Located in Rome, IT
The 5.51 Carat D Color Flawless Emerald Cut Diamond Ring! Elevate your elegance with this
Category

2010s Contemporary Engagement Rings

Materials

Diamond, Emerald

Golconda Type IIA GIA Certified Flawless D Color 8.09 Carat Pear Cut Diamond
By Meghna Jewels
Located in Hoffman Estate, IL
An exquisite 8.09 investment grade diamond certified by GIA. The Pear brilliant cut diamond has
Category

21st Century and Contemporary Unknown Modern Loose Gemstones

Materials

Diamond

GIA Certified Golconda Type 6 Carat D Color Flawless Clarity Oval Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
An amazing This investment grade 6 carat GIA certified oval cut diamond ring that has D color
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Platinum

TYPE IIA IF GIA Certified 2 Carat Halo Oval Diamond White Gold Ring
By Antinori Fine Jewels
Located in Rome, IT
This captivating ring showcases a striking GIA-certified 2-carat oval diamond Type IIA! It
Category

2010s Unknown Contemporary Solitaire Rings

Materials

Diamond, Platinum

GIA Certified Rare Emerald Cut Type IIA Golconda Diamond Ring 2.01ct D/Flawless
Located in London, GB
ring comes complete with a RichDiamonds presentation box and a GIA diamond report dated May 2020.
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

GIA-Certified Type A Jadeite Jade Crane & Deer Pendant with Platinum Diamond Top
By Eytan Brandes
Located in Sherman Oaks, CA
the scene. We aren't sure how old this jade is, but have obtained a GIA report (included with the
Category

2010s North American Contemporary Pendant Necklaces

Materials

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

GIA Certified 18.95 Carat Internally Flawless Type II-A Heart-Cut Diamond Ring
By Gad & Co.
Located in Miami, FL
valued types of diamonds. The diamond is classified by GIA to be a type II-A diamond with a “K” color
Category

2010s Hong Kong Modern Three-Stone Rings

Materials

Diamond, 18k Gold, White Gold

Emilio Jewelry GIA Certified 14.00 Carat D Flawless Type 2 A Diamond Ring
By Emilio!
Located in New York, NY
magnificent dream investment emerald cut diamond set in the center. The shape and proportions are very unique
Category

21st Century and Contemporary Three-Stone Rings

Materials

Diamond

GIA Certified 8.63 Carat Oval Moldavite Diamond Gold Earrings
By Diamond Stars Jewelry, Inc.
Located in New York, NY
Custom One of a Kind Earrings The earrings 18K White Gold There are 1.57 Carats in Diamonds F VS
Category

21st Century and Contemporary American Contemporary Drop Earrings

Materials

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

Rare GIA Certified Type 2A I Flawless 6.00 Carat Natural Pink Oval Diamond Ring
Located in Tustin, CA
Extremely rare and highly sought after, estate GIA Certified Type 2a or IIa large oval cut 6.00
Category

21st Century and Contemporary American Artisan Solitaire Rings

Materials

Diamond, Pink Diamond, 18k Gold, Rose Gold, White Gold

Golconda Type IIA GIA Certified 6 Carat D FLAWLESS Clarity
By Antinori Fine Jewels
Located in Rome, IT
This extraordinary platinum ring is a masterpiece of jewelry, featuring a central diamond of
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, 18k Gold

GIA Certified 2.21 Carats Type IIa Faint Pink IF Heart Cut Diamond Ring Pendant
Located in PARIS, FR
Pink diamond accented with colorless pear shape diamonds of 3,305 carats in total all GIA certified
Category

21st Century and Contemporary Hong Kong High Victorian Pendant Necklaces

Materials

Diamond, 18k Gold

David Rosenberg 4.96 Carat Marquise D IF Type II B GIA Diamond Engagement Ring
By David Rosenberg
Located in Boca Raton, FL
Rosenberg Diamonds & Co. 4.96 carat Marquise shape D color Type II B Internally Flawless clarity is
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

EXCEPTIONAL TYPE II GIA IGI Certified Kashmir Unheated 10.9 Carat Sapphire Ring
By Antinori Fine Jewels
Located in Rome, IT
Exceptional Type II GIA and IGI Certified Kashmir Unheated 10.9 Carat Sapphire Ring. Crafted to
Category

2010s Italian Modern Solitaire Rings

Materials

Blue Sapphire, Sapphire, White Diamond, Diamond, Platinum

GIA Certified Imperial Jadeite Jade Type A Ring In Vintage Platinum Setting
Located in Miami, FL
GIA-certified oval-shaped, cabochon cut Jadeite A Imperial Jade with 15 round cut and 10 baguette
Category

20th Century Retro Engagement Rings

Materials

Diamond, Jade, Platinum

GIA Certified 5.21 Ct Mozambique "Paraiba"-Type Tourmaline 18K White Gold Ring
Located in Los Angeles, CA
Overview SKU 3328 Center Stone Paraiba Tourmaline Side Stones Diamonds Metal Type 18K White Gold Metal
Category

21st Century and Contemporary American Art Nouveau Engagement Rings

Materials

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

Golconda Type IIa 2.36 Carat Diamond Flanked Solitaire Ring, circa 1950
Located in London, GB
Golconda type IIa diamond flanked solitaire ring. Set to centre with a Golconda type IIa octagonal
Category

Vintage 1950s Engagement Rings

Materials

Diamond, Platinum

Yellow diamond engagement ring 1ct GIA certified diamond
Located in Boca Raton, FL
! Stunning halo with fancy yellow diamonds around center makes this ring a vivid designer ring! Metal Type
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Yellow Diamond, 18k Gold

6.53 Carat Cushion Brilliant Type 1aB Platinum Diamond Vintage Engagement Ring
By Steven Fox Jewelry
Located in Greenwich, CT
pristine side bullet diamonds, this ring shines brighter than all others. GIA #1226199526 inclusive of
Category

2010s American Modern Engagement Rings

Materials

Diamond, Platinum

18k Gold GIA 2ctw GIA Colored Pink Yellow Diamond Flower Station Necklace Chain
Located in Montclair, NJ
--Certification Details:-- Laboratory: GIA Report Number: 2239109242 Report Type: Colored Diamond Identification
Category

21st Century and Contemporary Link Necklaces

Materials

Diamond, Yellow Diamond, Pink Diamond, Brown Diamond, 18k Gold

GIA Certified 2.41 Carat Pink Diamond Bracelet
Located in Kowloon, HK
➛ Clarity: VS2 ➛ GIA certified Diamond 2: ➛ Stone Shape: Cut-Cornered Square Modified Brilliant ➛ Stone
Category

2010s Asian Tennis Bracelets

Materials

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

GIA Certified 1.21 Carat Diamond Platinum
Located in Atlanta, GA
Ring Size: 6 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3 grams Center Diamond
Category

Vintage 1910s Unknown Edwardian Engagement Rings

Materials

White Diamond, Platinum

Jadeite Jade Diamond Platinum Bypass Ring, GIA
Located in Beverly Hills, CA
This ring features two captivating GIA certified natural pieces of Type A jadeite jade weighing
Category

2010s Fashion Rings

Materials

Diamond, White Diamond, Jade, Platinum

GIA Certified 3.11 Diamond Platinum Engagement Ring
Located in Atlanta, GA
Ring Size: 5.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 5.9grams Center Diamond
Category

Vintage 1950s Unknown Edwardian Engagement Rings

Materials

Diamond, White Diamond, Platinum

0.65 Carat Diamond Cocktail Ring GIA Certified
Located in Kowloon, HK
➛ GIA certified Diamond 2- ➛ Stone Shape: Round ➛ Stone Color: U to V Range ➛ Stone Weight: 0.35 carats
Category

2010s Asian Wedding Rings

Materials

Diamond, Pink Diamond, 18k Gold, White Gold

GIA Certified 1.33 Carat Diamond Cocktail Ring
Located in Kowloon, HK
carats ➛ Clarity: VS2 ➛ GIA certified Diamond 2- ➛ Stone Shape: Cushion ➛ Stone Color: Faint Pink
Category

2010s Asian Wedding Rings

Materials

Diamond, Pink Diamond, 18k Gold, White Gold

Rare oval diamond engagement ring 3.03ct GIA certified diamond
Located in Boca Raton, FL
clarity and G color diamond certified by GIA. This ring is a showstopper with its brilliance yet humble
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 18k Gold

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Type Diamond Gia For Sale on 1stDibs

Surely you’ll find the exact type 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 platinum, gold and 18k gold. You can easily find a 13 antique edition and 128 modern creations to choose from as well. You’re likely to find the perfect type diamond gia among the distinctive items we have available, which includes versions made as long ago as the 20th Century as well as those produced as recently as the 21st Century. A type diamond gia from Antinori Fine Jewels, Cartier and David Rosenberg — each of whom created a beautiful version of this treasured accessory — is worth considering. An emerald cut version of this piece has appeal, but there are also oval cut and round cut versions for sale. When shopping for a type diamond gia, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Type Diamond Gia?

The price for a type diamond gia starts at $6,000 and tops out at $6,230,000 with these rings, on average, selling for $543,415.
Questions About Type Diamond Gia
  • 1stDibs ExpertOctober 12, 2021
    Type lla diamonds have no boron or nitrogen impurities and have a high thermal conductivity. They are chemically pure and are often colorless. Type lla diamonds can also be light pink, gray, light yellow, or light brown. Find a wide range of diamond jewelry on 1stDibs today.
  • 1stDibs ExpertApril 5, 2022
    The difference between Type I and Type II diamonds is their composition. Type I diamonds contain nitrogen-based impurities, while Type II diamonds do not feature these types of impurities. You'll find a large collection of diamond gemstone jewelry on 1stDibs.
  • 1stDibs ExpertNovember 1, 2023
    While there are many, many types of known diamond cuts, we can say definitively that the cuts fall into three main categories. The three categories of gemstone cuts are brilliant, step and mixed. Popular types of gemstone cuts include round brilliant, cushion cut, baguette cut and princess cut. When shopping for a piece of jewelry, consider whether you want stones to sparkle and gleam or show off their color with clarity. Then, find the cut on the list that enhances the desired feature.
  • 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 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 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 ExpertNovember 8, 2023
    What type of diamond stud earring is the best depends on your preferences, as there isn't a single cut that is better than the others. If you like the look of sparkling studs, consider brilliant cuts like the round, heart and arrow, princess, oval, pear or marquise. Stepped cuts like the emerald, cushion and Asscher let the color and clarity of diamonds show through and can also be appealing choices. Shop a variety of diamond stud earrings on 1stDibs.
  • 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.