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Type 2a Gia Certified Diamonds

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Antique Art Deco Platinum GIA Round Diamond Sapphire Infinity Leaf Link Bracelet
Located in Montclair, NJ
platinum, featuring a GIA certified old European cut diamond at its center flanked by a pair of natural
Category

Vintage 1920s Art Deco Tennis Bracelets

Materials

Diamond, Sapphire, Platinum

GIA Light Yellow Diamond Green Emerald Art Deco Style 18K White Gold Earrings
By Unbranded
Located in Oakton, VA
. Length: 41 mm. Weight: 7.72 g. (approx. in total) Backing: Push Back Drop Gemstones   Type: Diamond (GIA
Category

21st Century and Contemporary Art Deco Drop Earrings

Materials

Diamond, Emerald, 18k Gold, White Gold

Platinum Rose Cut Engagement Ring (GIA Approx. 2-Carats) Oval Diamond, Platinum
Located in New York, NY
This exquisite ring showcases a breathtaking approx 2-carats oval rose-cut diamond, certified by
Category

21st Century and Contemporary Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

GIA Sugar Loaf Blue .75 Carat Sapphire Diamond Halo Platinum Engagement Ring
Located in Stamford, CT
1920's Art Deco handmade sapphire and diamond engagement ring. GIA certified round, sugar loaf
Category

Early 20th Century Engagement Rings

Materials

Blue Sapphire, Diamond, Sapphire, Platinum

GIA Round Diamond Green Emerald Art Deco Style Engagement 18K White Gold Ring
By Unbranded
Located in Oakton, VA
: 3.39 g. (approx. total weight) Size: US7 (resizable) Center Gemstone Type: Diamond (GIA Certified
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

Certified Round Diamond Red Pink Ruby Halo Set Art Deco Style Platinum Ring
By Unbranded
Located in Oakton, VA
An Art Deco inspired target ring, boasting a central bezel set GIA certified 1 carat diamond with a
Category

21st Century and Contemporary Art Deco Engagement Rings

Materials

Diamond, Ruby, Platinum

GIA Cert 3.28 Carat Fancy Intense Yellow Shield Kite Cut Natural Diamond Pendant
By Gad Co.
Located in Miami, FL
Diamond - Carat: 0.69 CTTW - Cut: Round - Color: F-G - Quantity: 58 Accent Details(2): - Type: White
Category

2010s North American Art Deco Pendant Necklaces

Materials

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

Platinum 18k Gold 6.07ctw GIA Pear Fancy Yellow Diamond Bypass Moi et Toi Ring
Located in Montclair, NJ
and 18k yellow gold and features a pair of large, GIA certified, pear cut diamonds - one fancy yellow
Category

21st Century and Contemporary Unknown Modern Cocktail Rings

Materials

Diamond, Yellow Diamond, 18k Gold, Platinum

14 Karat Gold GIA Emerald Cut Diamond and Trillion Sapphire Pendant Necklace
Located in Montclair, NJ
. It features a gorgeous GIA certified emerald cut diamond weighing exactly 1.02 carats. The diamond is
Category

1990s Art Deco Pendant Necklaces

Materials

Diamond, Sapphire, 14k Gold, White Gold

1920 Old Euro Diamond (GIA Approx. 2-Carats) Prong-Set Engagement Ring, Platinum
Located in New York, NY
, embodying the elegance of the 1920s. At its center is a lively, GIA-certified approx. 2-carat old European
Category

21st Century and Contemporary Unknown Art Deco Engagement Rings

Materials

Diamond, Platinum

18k Gold 2.62ctw GIA Burma Sapphire and Diamond Pear Tear Drop Pendant Necklace
Located in Montclair, NJ
clasp. A brand new, GIA certified, yellow sapphire and diamond pendant that is ready to wear and enjoy
Category

2010s Pendant Necklaces

Materials

Diamond, Sapphire, 18k Gold

New 18k Gold 2.42ctw GIA Bezel Heart Emerald Diamond Pendant Chain Necklace
Located in Montclair, NJ
(exact - certified) *See Certification Details Below* (2) Natural Genuine Diamonds - Round Brilliant Cut
Category

2010s American Pendant Necklaces

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

New Platinum 3.05ctw AGL/SSEF Burma No Heat Oval Sapphire GIA Diamond Ring
Located in Montclair, NJ
1443090139 --GIA Diamond (2) Report Details:-- Laboratory: GIA Report Number: 1429336451 Shape: Round
Category

2010s American Solitaire Rings

Materials

Diamond, Sapphire, Platinum

GIA Rubellite Diamond Ring 8.36ct Original 1930 s -1950 s 14K Red Tourmaline
Located in Dearborn, MI
Diamond Engagement Ring 8.36ct 14K White Gold Features a HUGE 7.66 Carat Genuine GIA Certified Natural
Category

Vintage 1940s Art Deco Cocktail Rings

Materials

Diamond, Tourmaline, 14k Gold, White Gold

GIA 4.02 Carat Oval Cut Diamond E/VS2 Three Stone Half Moon Sidestone Ring
Located in Miami, FL
GIA certified 4.02 carat natural oval brilliant diamond three stone engagement ring in 18K white
Category

21st Century and Contemporary American Modern Three-Stone Rings

Materials

Diamond, Gold, 18k Gold, White Gold

Bailey Banks and Biddle 6.97 Carat Sri Lanka Cushion Sapphire Diamond Ring GIA
Located in Addison, TX
Treatment: Heated GIA Certified Side Stone Type: Diamond Side Stone Shape: Bullet cut Side Stone Count: 2
Category

Vintage 1950s Art Deco Cocktail Rings

Materials

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

Antique Art Deco 18k Gold Gia 2.37ct Old Diamond Wheat Work Hand Engraved Ring
Located in Montclair, NJ
- 2.37ct (exact, certified) * See Certification Details Below* (2) Natural Genuine Diamond - Old Single Cut
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, 18k Gold

GIA Cert. 1.85 Carat Oval Blue Sapphire Diamond 14K White Gold 3 Stone Ring
Located in Miami, FL
Presented here is a GIA certified 1.85-carat oval-cut sapphire and round diamond 3-stone ring. On
Category

21st Century and Contemporary Art Deco Three-Stone Rings

Materials

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

New Platinum AGL GIA Cushion Pink Sapphire Burma Ruby Half Moon Diamond Ring
Located in Montclair, NJ
- certified) ** See Certification Details Below for Complete Info ** (2) Natural Genuine Diamonds - Half Moon
Category

2010s American Engagement Rings

Materials

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

GIA Diamond Martini Stud Earrings 1.40 Carats in 14k Yellow/White/Rose Gold LV
By Five Star Jewelry
Located in Austin, TX
Martini Studs Post Type: Friction post and friction back Diamond Number: 2 Diamond Total Weight: 1.40
Category

21st Century and Contemporary American Modern Stud Earrings

Materials

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

18 Karat Gold GIA Fine Vivid Red Oval Ruby and Diamond Three-Stone Ring
Located in Montclair, NJ
in solid 18k gold. The ring features a truly mesmerizing, GIA certified ruby solitaire hand set in
Category

2010s American Three-Stone Rings

Materials

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

Natural Paraiba Tourmaline Stones 3.13 cts in 18KWG Earrings w Dia / GIA Reports
Located in Los Angeles, CA
Stones Diamonds Report GIA Report Center Stone Quantity 2 Total Weight 3.13 carats Color Green Color
Category

21st Century and Contemporary American Contemporary Dangle Earrings

Materials

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

9-Carat D VVS Round Brilliant Diamond Ring Golconda diamond
Located in Mumbai, IN
for royalty and world-class collectors. Type IIA diamonds, representing less than 2% of the world’s
Category

21st Century and Contemporary Indian Empire Bridal Rings

Materials

Diamond, White Diamond, 18k Gold

Certified Color Changing Padparadscha Pink Sapphire Dangle Platinum Earrings
By Gad Co.
Located in Miami, FL
with certification of authenticity and reports from GIA and GRS. Details below. Item Details: - Type
Category

2010s African Modern Dangle Earrings

Materials

Pink Sapphire, Platinum

Antique Arts Crafts 12k Gold GIA Sapphire Ruby Emerald Swirl Leaf Brooch Pin
Located in Montclair, NJ
stones. At the top and bottom there are sets of old mine cut natural diamonds, in the middle there is a
Category

Vintage 1910s Arts and Crafts Brooches

Materials

Diamond, Emerald, Ruby, Sapphire, Gold

Antique French 18k Gold Plat, GIA Pearl Sapphire Emerald Engraved Link Bracelet
Located in Montclair, NJ
with delicate milgrain etching. One of the sapphires has been randomly selected and certified by GIA
Category

Antique Early 1900s French Edwardian Link Bracelets

Materials

Emerald, Pearl, Sapphire, 18k Gold, Yellow Gold, Platinum

Dazzling 1.17ct Double Excellent Ideal Cut Diamonds 3-Stone Ring
Located in רמת גן, IL
Dazzling 1.17ct Double Excellent Ideal Cut Diamonds 3-Stone Ring in 18k White Gold - GIA Certified
Category

2010s Israeli Three-Stone Rings

Materials

Diamond

Sophisticated 1.30ct Double Excellent Ideal Cut Diamond 3-Stone Ring
Located in רמת גן, IL
adorned with 10 round diamonds with 0.05 carat weight. Certified by GIA, this masterpiece ensures the
Category

2010s Israeli Three-Stone Rings

Materials

Diamond

Platinum 2.23ctw AGL Best Color Change Brazil Alexandrite Diamond 3 Oval Ring
Located in Montclair, NJ
alexandrite & 2 GIA Certifications for the 2 diamonds. Stock Number: MK-130824899 --Alexandrite Certification
Category

21st Century and Contemporary American Cocktail Rings

Materials

Alexandrite, Diamond, Platinum

Sophisticated 1.51ct Double Excellent Ideal Cut Diamond 3-Stone Ring
Located in רמת גן, IL
Certified This breathtaking 18K white gold diamond 3-stone ring showcases a 1.00-carat square-cut diamond
Category

2010s Singaporean Three-Stone Rings

Materials

Diamond, 18k Gold, White Gold

Suzy Levian 18K White Gold Round White Diamond Bridal Engagement Ring
By Suzy Levian
Located in Great Neck, NY
featuring a GIA certified round brilliant diamond center stone (0.55ct). Placed in a vintage halo setting
Category

21st Century and Contemporary American Contemporary Bridal Rings

Materials

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

1.07ct Yellowish Green Fancy Diamond Cushion Engagement Ring set in 18k White Go
Located in Toronto, Ontario
be a treasured keepsake for generations. This is a stunning GIA Certified Colored Diamond Ring
Category

2010s Canadian Contemporary Engagement Rings

Materials

Diamond

12.59 Total Carat Sapphire and Diamond Halo Vintage Style Ladies Engagement Ring
Located in New York, NY
12.59 Total Carat Sapphire and Diamond Halo Ladies Engagement Ring. GIA Certified A true classic
Category

2010s American Cocktail Rings

Materials

Diamond, Sapphire, Platinum

SOUTH-SEAS PEARLS Platinum Dangle Cluster Earrings With 13.60 Ctw VS Diamonds
Located in Miami, FL
accompanied by an appraisal certificate prepare by a GIA certified gemologist stating all the characteristics
Category

Vintage 1970s American Modernist Dangle Earrings

Materials

Diamond, Pearl, White Diamond, South Sea Pearl, Platinum

GREENLEAF CROSBY Convertible Pearls Earrings 18Kt Gold With 5.24 Ctw Diamonds
Located in Miami, FL
calibrated round brilliant cuts diamonds, with a combined weight of about 3.84 carats, white colorless F
Category

Vintage 1970s American Neoclassical Dangle Earrings

Materials

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

3.64ct Green Emerald, Diamond Engagement Ring set in 18k White and Yellow Gold
Located in Toronto, Ontario
This exquisite three-stone ring features a striking 3.64 ct GIA-certified Zambian emerald as the
Category

2010s Canadian Contemporary Three-Stone Rings

Materials

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

Platinum Diamond Vintage Bow Brooch Marq Cush 19.15ctw PGS Handmade Ribbon Pin
Located in Greensboro, NC
lay beautifully against a variety of garments. Measurements Tall: 2 15/32" (62.5mm) Top Width: 2 3/16
Category

20th Century Brooches

Materials

Diamond, Platinum

3.01ct Cushion Red Ruby, Rose Cut Diamond Engagement Ring set in 18k Yellow Gold
Located in Toronto, Ontario
This exquisite engagement ring showcases a vivid 3.01 ct GIA-certified cushion-cut ruby from
Category

2010s Canadian Contemporary Three-Stone Rings

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Diamond Engagement Ring Set, 18k Gold Engagement Ring and Matching Wedding Band
Located in Camisano Vicentino, VI
Made to Order Half Carat diamond engagement ring with matching wedding band, GIA certified diamond
Category

2010s Italian Modern Bridal Rings

Materials

Diamond, 18k Gold

TRUDEL By Kurt Aepli Geometric Ring 18Kt Gold With 3.52 Ctw In Emerald Diamond
Located in Miami, FL
settings, with 2 well matched squared carre step cut (4 x 4 mm) of natural diamonds, with a combined weight
Category

Vintage 1970s Swiss Modernist Cocktail Rings

Materials

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

Lovely 1.44ct Double Excellent Ideal Cut Diamonds 3-Stone Ring in 18k White Gold
Located in רמת גן, IL
Luxurious 1.44ct Double Excellent Ideal Cut Diamonds 3-Stone Ring in 18k White Gold - GIA Certified
Category

2010s Israeli Three-Stone Rings

Materials

Diamond, 18k Gold, White Gold

Gubelin 1920 Art Deco Necklace Enameled Watch In Platinum With European Diamonds
By Gubelin Lucerne
Located in Miami, FL
, sixty-four natural earth mined diamonds and is fitted with a diamond's station chain with a security
Category

Vintage 1920s Swiss Art Deco Pendant Necklaces

Materials

Diamond, White Diamond, Pearl, Natural Pearl, Platinum, Enamel

Art Deco 1935 American Garlands Necklace In Platinum With 12.68 Ctw In Diamonds
Located in Miami, FL
certificate appraisal prepared by a Gia certified gemologist. The certificate state the full description of
Category

Vintage 1930s North American Art Deco Drop Necklaces

Materials

Diamond, White Diamond, Platinum

Picchiotti Dangle Cluster Earrings in 18Kt Gold With 18.16 Ctw Diamonds Pearls
By Picchiotti
Located in Miami, FL
. Collateral: They are accompanied by an appraisal certificate prepare by a GIA certified gemologist stating
Category

1990s Italian Modernist Dangle Earrings

Materials

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

PICCHIOTTI Cocktail Ring In 18Kt Gold With 4.77 Ctw in Emeralds And Diamonds
By Picchiotti
Located in Miami, FL
of this type. Collateral: This piece is accompanied by a certificate appraisal prepared by a GIA
Category

1990s Italian Modernist Cocktail Rings

Materials

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

18K White Gold Natural Diamond Halo Engagement Wedding Ring, 1.74 CT TDW
Located in Suwanee, GA
round brilliant cut diamond has a polish and symmetry both rated "Very Good." It makes an incredible
Category

21st Century and Contemporary American Engagement Rings

Materials

White Gold

GIA Certified 2 Carat VVS1 type IIa Very Light Pink Diamond Halo Cocktail Ring
Located in PARIS, FR
This magnificent cocktail ring is set with a 2 carat Very Light Pink type IIa pear cut diamond
Category

2010s Hong Kong Art Deco Cocktail Rings

Materials

Pink Diamond, 18k Gold

GIA Certified 23.14 Carat Aquamarine Diamond Pendant Necklace
Located in Encino, CA
weight 23.14ct., clarity is eye clean, type I, very light, very slightly grayish, blue color, (GIA B 2/3
Category

2010s American Contemporary Pendant Necklaces

Materials

Aquamarine, Diamond, Platinum

GIA Certified 8.41 Carat Tanzanite Diamond Fashion Ring
Located in Encino, CA
One electronically tested platinum gents cast tanzanite and diamond ring with a bright polish
Category

2010s American Contemporary Fashion Rings

Materials

Diamond, Tanzanite, Platinum

GIA Certified 6.02 Carat Dark Tanzanite Diamond Fashion Ring
Located in Encino, CA
One electronically tested platinum ladies cast tanzanite and diamond ring with a bright polish
Category

2010s American Contemporary Fashion Rings

Materials

Diamond, Tanzanite, Platinum

GIA Certified 28.43 Carat Dark Tanzanite Diamond Pendant Necklace
Located in Encino, CA
. Condition is new, good workmanship. The pendant features a tanzanite set within a diamond bezel with a
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, Tanzanite, Platinum

GIA Certified 9.35 Carat Ceylon Sapphire Diamond 3 Stone Ring
Located in Rehoboth Beach, DE
Platinum GIA Certified 9.35 Carat Ceylon Sapphire & Diamond Lady’s Three (3) Stone Ring. This Ring
Category

21st Century and Contemporary Sri Lankan Contemporary Three-Stone Rings

Materials

Diamond, Blue Sapphire, Platinum

Platinum GIA Certified 6.42 Carat Emerald Cut Diamond Three-Stone Ring
Located in Orlando, Florida
Available Upon Request. A stunning ring featuring IGI/GIA Certified 6.42 Carat Natural Diamond and Diamond
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, White Diamond, Platinum

2 Carat Diamond Stud Earrings, 14 Karat White Gold, GIA Certified, 3EX Diamonds
Located in New York, NY
2 Ct Total weight Diamond stud earrings. Both diamonds are GIA Certified, I color, SI2 Clarity
Category

2010s American Contemporary Stud Earrings

Materials

Diamond, 14k Gold

2 Carat Diamond Stud Earrings, 14 Karat White Gold, GIA Certified, 3EX Diamonds
Located in New York, NY
2 Ct Total weight Diamond stud earrings. Both diamonds are GIA Certified, H color, SI1 Clarity
Category

2010s American Contemporary Stud Earrings

Materials

Diamond, White Gold

GIA Certified 2.11 Carat Round Brilliant Cut Diamond Solitaire Engagement Ring
Located in Orlando, Florida
Available. A stunning ring featuring IGI/GIA Certified 2.11 Carat Natural Diamond with VVS2 Clarity and D
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

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

GIA Certified 8.53 Carat Rare Unheated Purple Sapphire Diamond Pendant Necklace
Located in Encino, CA
diamond bezel, completed by a diamond set bail. The pendant is supported by an eighteen inch length
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, Sapphire, Platinum

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Type 2a Gia Certified Diamonds For Sale on 1stDibs

There is a broad range of type 2a gia certified diamonds for sale on 1stDibs. These distinct designs — crafted with great care and often made from 18k Gold, Gold and Platinum — can elevate any look. Find a collection of 1 vintage versions or 19 modern creations for a more contemporary example of these cherished accessories. Our collection, which features older pieces for sale from the 20th Century and newer versions made as recently as the 21st Century, has proven very popular over the years. Our collection of type 2a gia certified diamonds includes designs that are universally popular, but Modern and Art Deco styles, specifically, are sought with frequency. Many examples in our inventory of these items are appealing no matter their origins, but Antinori Fine Jewels and Tamir produced popular versions that are worth a look. A selection of emerald cut, pear cut and oval cut can be found today on these pages. If you’re browsing the variety of type 2a gia certified diamonds for sale, you’ll find that many are available today for women, but there are still pieces to choose from for men.

How Much are Type 2a Gia Certified Diamonds?

On average, type 2a gia certified diamonds at 1stDibs sell for $513,000, while they’re typically $90,000 on the low end and $1,800,000 for the highest priced versions of this item.

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.