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Gia Certification

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GIA Certified 2.42 Carat 18KW Gold Cushion Blue Unheat Sapphire Diamond Ring
Located in San Francisco, CA
Unheated GIA certificate 6203137500 Sri-Lankan Sapphire flanked by two trapezoid-shaped diamonds in a total
Category

21st Century and Contemporary American Three-Stone Rings

Materials

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

White Gold GIA 1.13ctw No Heat Reddish Pink Sapphire Bezel Pendant Necklace
Located in Montclair, NJ
certification! Stock Number: MK-8734292 -- GIA Certification -- Laboratory: GIA GIA Report Number: 5172866794
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Pink Sapphire, Gold, White Gold

GIA Certified 1.15 Carat Montana Sapphire Yellow Gold Art Deco Bracelet
Located in Stamford, CT
square blue Montana sapphires, VS approx. 1.15cts GIA certificate # 2195809681 14k yellow gold 13.5
Category

Mid-20th Century More Bracelets

Materials

Sapphire, Gold, 18k Gold, Yellow Gold

GIA 3.51 Carat Vivid Yellow Oval Diamond 18 Karat Gold Ring
By Mellen
Located in New York, NY
yellow diamonds. Comes with GIA certificate
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Yellow Diamond, 18k Gold

New GIA 2.00 Carat Pear Brilliant Diamond Ring I / Si-1 Solitaire Class Platinum
Located in New York, NY
Certificate to accompany & GIA Certificate.
Category

2010s American Solitaire Rings

Materials

Diamond, Platinum

GIA Certified 3.00 Carats Natural Diamond 18K Gold Necklace
Located in New Delhi, Delhi
GIA certificate. Handcrafted by artisan goldsmith. Excellent manufacture and quality of diamonds
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold

Brilliant Cut 0.90 Carats Diamond GIA Cert and 12 Diamonds Engagement Ring
Located in MELBOURNE, VIC
0.90 Carats, Colour F, Clarity SI-1 (GIA Certificate). Band is Micro Pave set with 12 Brilliant cut
Category

2010s Australian Contemporary Engagement Rings

Materials

Diamond, 18k Gold, White Gold

GIA Certified 5.93 Carat Emerald and Oval Diamond Cluster Earring
By GEMME
Located in New York, NY
Clarity. Set in Platinum and 18 Karat White Gold. Clip Backs Every stone has a GIA certificate. Measures
Category

2010s American Clip-on Earrings

Materials

Diamond, 18k Gold, White Gold, Platinum

GIA Certified Jadeite Jade Yellow Gold Carved Flower Pendant Necklace
Located in Stamford, CT
, GIA Certificate# 6223168161 14k yellow gold 4.7 grams Top to bottom: 15.4mm or .60 Inches Width
Category

Mid-20th Century Pendant Necklaces

Materials

Jade, Gold, 14k Gold, Yellow Gold

Marcus Co. GIA 6.35 Carat Diamond Platinum Three-Stone Engagement Ring
By Marcus Co.
Located in Stamford, CT
: 70.1% Table: 49%, 5.76 x 8.96 x 8.22mm, GIA certificate # 2155517307 1 round brilliant cut diamond
Category

Early 20th Century Unknown Three-Stone Rings

Materials

Diamond, Platinum

1.68 Carat Cushion Shape Light Purple Sapphire GIA Certified Unheated
Located in San Francisco, CA
This Cushion shape 1.68-carat Natural Unheated Light Purple sapphire GIA certificate number
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Sapphire, Purple Sapphire

GIA Certified 2.91 Carat Pear Cut Unheated Kashmir Sapphire Diamond Ring
Located in Trumbull, CT
by a GIA certification and an appraisal report.
Category

2010s American Artisan Engagement Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified 2.25 Carat Heart Cut Unheated Purple Sapphire Diamond Ring
Located in Trumbull, CT
GIA Certified 2.25 Carat Heart-Cut Purple Sapphire Ring A rare, unheated 2.25 carat heart-cut
Category

2010s American Artisan Engagement Rings

Materials

Purple Sapphire, Sapphire, Diamond, Platinum

14 Karat Gold GIA 0.5 Carat Emerald Cut Diamond Engagement Ring, Bezel Setting
Located in Wallingford, CT
Cut: Step cut Color: I Clarity: VS2 Diamond Weight: 0.5 Carat Stone Size Approx: 5mm x 3mm GIA
Category

2010s American Contemporary Solitaire Rings

Materials

Diamond, Gold, 14k Gold, Yellow Gold

GIA Certified 1.52 Carat Oval Briliant Fancy Brownish Yellow SI1 Natural Diamond
Located in New York, NY
% Symmetry: Good Polish: Good Fluorescence: None Certifying Lab: GIA GIA Certificate #: 6217876008 Appraisal
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond, Yellow Diamond, Brown Diamond

GIA Certified 0.96 Carat Square Brilliant D Color VS2 Clarity Natural Diamond
Located in New York, NY
% Symmetry: Fair Polish: Good Fluorescence: Strong Blue Certifying Lab: GIA GIA Certificate #: 2151258252
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond, White Diamond

GIA Certified 0.90 Carat Oval Brilliant D Color Vs2 Clarity Natural Diamond
Located in New York, NY
% Symmetry: Very Good Polish: Excellent Fluorescence: None Certifying Lab: GIA GIA Certificate #: 6422004063
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond, White Diamond

0.95 Carat Round Brilliant GIA Certified K, Faint Brown Vs1 Clarity Diamond
Located in New York, NY
: Good Polish: Good Fluorescence: Strong Blue Certifying Lab: GIA GIA Certificate #: 5221070887 Appraisal
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

GIA Certified 1.49 Carat Fancy Chameleon Si2 Modified Shield Step Cut Diamond
Located in New York, NY
: Very Polish: Very Good Fluorescence: None Certifying Lab: GIA GIA Certificate #: 5221423928 Appraisal
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond, White Diamond, Brown Diamond

1.20 Carat Pear Brilliant Gia Certified Fancy Gray-Yellowish Green SI2 Clarity
Located in New York, NY
% Table %: 61% Symmetry: Very Good Polish: Excellent Fluorescence: None Certifying Lab: GIA GIA
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

1.52 Carat Oval Briliant GIA Certified Fancy Brownish Yellow SI1 Clarity Diamond
Located in New York, NY
%: 62% Symmetry: Good Polish: Good Fluorescence: None Certifying Lab: GIA GIA Certificate #: 6217876008
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

GIA Certified Grade A Jadeite Jade Diamond Yellow Gold Earrings
Located in Stamford, CT
earrings 2 pierced mottled green jadeite jade discs GIA certificate # 2203372946 22 round brilliant cut
Category

Mid-20th Century Lever-Back Earrings

Materials

Diamond, Jade, Gold, Yellow Gold, 18k Gold

GIA Certified 2.64ct Natural Pear Diamond Ruby Ring 14kt
Located in New York, NY
Three Stone Pears & Reds 2.64ct. Natural Pear diamond ring GIA Certificate # 5221172632 J-color
Category

2010s American Three-Stone Rings

Materials

Diamond, Ruby, Platinum

GIA Certified 1.07 Carat Diamond Platinum Three-Stone Engagement Ring
Located in Stamford, CT
GIA Certificate # 1172689908 2 tapered baguette G VS diamonds, Approximate .21cts Size 6.25 and
Category

Mid-20th Century Engagement Rings

Materials

Diamond, Platinum

GIA Certified Demantoid Garnet Diamond Yellow Gold Engagement Ring
Located in Stamford, CT
GIA Certificate # 5212710919 4 round diamonds, G-H VS approx. total weight .45cts. Size 5.75 and
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Garnet, Gold, 14k Gold, Yellow Gold

Stunning 0.88ct Sapphire Gemstone - GIA Certified
Located in רמת גן, IL
grace to any jewelry design, this gemstone radiates timeless beauty. Accompanied by a GIA certificate
Category

2010s Israeli Loose Gemstones

Materials

Sapphire

1.06 carats GIA Certified Round Diamond Halo Platinum Pendant Necklace
By FERRUCCI
Located in New York, NY
, GIA Certificate available for viewing upon request and will accompany the rings.
Category

2010s American Pendant Necklaces

Materials

Diamond, White Diamond, Platinum

Solitaire 0.40ct F/VVS1 Princess Cut GIA Diamond Ring in 18ct White Gold
Located in London, GB
Ring Size: M1/2 GIA certification SMS8558
Category

2010s British Solitaire Rings

Materials

Diamond, White Gold, 18k Gold

GIA Certified 2.29ct Natural Fancy Yellow Even VVS2 Cushion Cut Three-Stone Ring
By M&V Vanguard Jewelry
Located in New York, NY
Yellow: 0.28ct Total Carat Weight pave pave White: 0.24ct Size: 6 Comes with GIA certificate
Category

2010s American Modern Three-Stone Rings

Materials

Yellow Diamond, 18k Gold, Yellow Gold, Platinum

1.51 Carat Cushion Shape White Sapphire GIA Certified Unheated
Located in San Francisco, CA
This Cushion shape 1.51-carat Natural Unheated Sri-Lankan White sapphire GIA certificate number
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Sapphire

GIA Certified .69 Carat Round Cut Diamond Raised Diamond Ring 14 Karat
Located in New York, NY
GIA Certified Diamond engagement ring. Raised Solitaire Mod Classic GIA Certificate: 6193675680
Category

2010s American Solitaire Rings

Materials

Diamond, 14k Gold, Yellow Gold

GIA Certified Pink Sapphire Half Bezel Ring Channel Set Diamonds in 18K Gold
By Gad Co.
Located in Miami, FL
slight purple undertones. Excellent luster and brilliance. GIA Certificate comment: Center Stone set in
Category

2010s North American Art Deco Cocktail Rings

Materials

Diamond, Pink Sapphire, 18k Gold, Yellow Gold

Magnificent Important Platinum GIA 6.50CT Diamond Natural Sapphire Heart Ring
Located in New York, NY
Sample Piece From a Multi Million Dollar Estate and comes with a GIA Certificate.
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, White Diamond, Sapphire, Platinum

Art Deco Sapphire 3 Stone Ring Sri Lanka Sapphire Mined Diamond 1.58ct GIA 1920s
Located in Dearborn, MI
a Reproduction Art Deco Era in Jewelry Design  GIA is the Gold Standard for Certification
Category

Vintage 1920s Art Deco Three-Stone Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

GIA Certified 3.37 Carat H-IF Emerald Cut Diamond Ring
Located in Lucerne, CH
emerald cut diamond of H-if quality. The diamond is accompanied with a GIA certificate. The stone shows a
Category

21st Century and Contemporary Unknown Contemporary Solitaire Rings

Materials

White Diamond, Diamond, 18k Gold, White Gold

GIA Certified 1.28 Carat Diamond White Gold Engagement Ring
Located in Stamford, CT
Diamond engagement ring. GIA certified princess cut center diamond in a 14k white gold setting with
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Gold, 14k Gold, White Gold

GIA Certified 3.52 Carat Natural Fancy Yellow-Brown Radiant Cut Three-Stone Ring
By M&V Vanguard Jewelry
Located in New York, NY
Square Modified Brilliant, Natural Fancy Yellow-Brown, VS1, GIA#2181104389 Comes with GIA certificate
Category

2010s American Modern Three-Stone Rings

Materials

Brown Diamond, Platinum

GIA Certified Engagement Ring with 6.86ct Fancy Light Radiant Cut Diamond
By M&V Vanguard Jewelry
Located in New York, NY
: 6.5 (can be sized) Comes with GIA certificate, Appraisal available upon request
Category

2010s American Modern Three-Stone Rings

Materials

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

GIA Certified Natural Carved Jadeite Jade Tube Gold Pendant Necklace
Located in Stamford, CT
18 Inch 14k yellow gold chain 1 pierced tubular carved mottled green jadeite jade GIA Certificate
Category

Late 20th Century Pendant Necklaces

Materials

Jade, Gold, 18k Gold, Yellow Gold

TIFFANY CO. Victoria Burma Ruby Diamond Platinum Earrings.GIA
By Tiffany Co.
Located in New York, NY
original box with GIA certificate.
Category

Early 2000s Stud Earrings

Materials

Diamond, Ruby, Platinum

NEW 14k Gold 3.34ctw GIA Oval Blue Sapphire Diamond Halo Pendant Necklace
Located in Montclair, NJ
& comes w/ the original GIA certification for the sapphire! Stock Number: MK-310131436-24021606-EY --GIA
Category

2010s American Pendant Necklaces

Materials

Diamond, Blue Sapphire, 14k Gold, Yellow Gold

GIA Certified 2.51 Carat Fancy Yellow Cushion Cut Diamond Ring 18 Karat
Located in New York, NY
. $16000 Appraisal Certificate to accompany & GIA Certificate
Category

2010s American Solitaire Rings

Materials

Diamond, Yellow Diamond, 18k Gold, Yellow Gold

GIA Certified 2.12 Carat Fancy Yellow Radiant Cut Diamond Ring 14 Karat
Located in New York, NY
inquire. $38000 Appraisal Certificate to accompany & GIA Certificate
Category

2010s American Solitaire Rings

Materials

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

GIA Certified 0.80 Radiant Cut Diamond Engagement Ring
Located in San Francisco, CA
set one Elongated Radiant natural diamond 0.80 Carat GIA Certificate number 2201449184 Color I clarity
Category

21st Century and Contemporary American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

GIA Certified 0.76CT Q-R I3 Round Brilliant Loose Diamond
Located in New York, NY
: Good Fluorescence: Faint Certifying Lab: GIA GIA Certificate #: 2225382498 Our Price: $700 Please note
Category

Antique 15th Century and Earlier Loose Gemstones

Materials

Brown Diamond

GIA Certified 1.12 Carat Oval Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
in platinum 1 oval brilliant light orange MI sapphire, Approximate 1.12 carats. GIA Certificate
Category

Early 20th Century Engagement Rings

Materials

Diamond, Sapphire, Pink Sapphire, Platinum

GIA Certified Natural Carved Blended Green Jadeite Jade Gold Pendant
Located in Stamford, CT
x 22.5 x 7.34mm, GIA certificate #1186601412 Top to bottom: 35.8mm or 1.41 inches Width: 46.01mm or
Category

Late 20th Century Pendant Necklaces

Materials

Jade, 14k Gold, Yellow Gold, Gold

GIA Certified 1.70 Carat Cushion Cut Diamond Ring E/VS 14 Karat Cluster Petite
Located in New York, NY
GIA Certified Diamond engagement ring. 1.04ct. Natural Cushion Cut diamond GIA Certificate
Category

2010s American Solitaire Rings

Materials

Diamond, 14k Gold, White Gold

GIA Certified 3.08 Carat Fancy Light Brown Round Cut Diamond Ring 14 Karat
Located in New York, NY
Certificate to accompany & GIA Certificate
Category

2010s American Solitaire Rings

Materials

Diamond, Brown Diamond, 14k Gold, White Gold

GIA Certified 17.55 Carat Star Ruby Diamond Ring
Located in Stamford, CT
17.55cts GIA Certificate # 2205143891 2 round brilliant cut H VS SI, Approximate .45ct Size 8 and sizable
Category

21st Century and Contemporary Fashion Rings

Materials

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

1.10 Carat Rectangular Brilliant GIA Certified Fancy Brownish Yellow Vs2 Clarity
Located in New York, NY
Certifying Lab: GIA GIA Certificate #: 6213019911 Appraisal Value: $3984.75 Our Price: $2655.50 A free
Category

21st Century and Contemporary Loose Gemstones

Materials

Diamond

GIA Certified 1.34 Carat Diamonds Halo Engagement Ring 18k White Gold
Located in Miami, FL
weights 2.4 grams and is made in 18k white gold. The ring is a size 5.75 The diamond info: GIA Certificate
Category

Early 2000s Engagement Rings

Materials

Diamond, 18k Gold, White Gold

GIA Certified .19 Carat Yogo Gulch Sapphire Pearl Yellow Gold Pendant Necklace
Located in Stamford, CT
freshwater cream natural pearl, 11.7mm x 6mm GIA Certificate # 5222949729 1 freshwater white pearl, 6mm x
Category

Early 20th Century Pendant Necklaces

Materials

Pearl, Sapphire, Blue Sapphire, Gold, 14k Gold, Yellow Gold

Gia Certified 0.80 Carat K Si2 Cushion Brilliant Diamond
Located in New York, NY
%: 50.00% Symmetry: Fair Polish: Very Good Fluorescence: None Certifying Lab: GIA GIA Certificate
Category

Antique 15th Century and Earlier Loose Gemstones

Materials

White Diamond

GIA Certified Light Pink Diamond Solitaire Ring 1.09ct
Located in Mayfair, London, London
. The ring comes complete with a RichDiamonds presentation box and GIA certificate 2145063876 dated 2011.
Category

21st Century and Contemporary Engagement Rings

Materials

Pink Diamond, 18k Gold, White Gold

18k Yellow Gold Channel GIA Square Step Burma Ruby Wide Eternity Stack Band Ring
Located in Montclair, NJ
Substantial natural Bruma Ruby Eternity band/ring. The ring comes with a GIA certification for the
Category

21st Century and Contemporary Band Rings

Materials

Ruby, Yellow Gold

Luminous 2.20ct Ideal Cut Natural Diamond - GIA Certified
Located in רמת גן, IL
by a GIA certificate, this diamond's exceptional qualities and authenticity are guaranteed, setting a
Category

2010s Israeli Loose Gemstones

Materials

Diamond

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Gia Certification For Sale on 1stDibs

Find the exact gia certification you’re shopping for in the variety available on 1stDibs. Frequently made of Platinum, Gold and 18k Gold, this item was constructed with great care. You can easily find a 29 antique edition and 49 modern creations to choose from as well. You’re likely to find the perfect gia certification among the distinctive items we have available, which includes versions made as long ago as the 18th Century as well as those produced as recently as the 21st Century. For this particular piece, 1 Carat and 1.5 Carat are consistently popular carat weights. There have been many well-made iterations of the classic gia certification over the years, but those made by OGI Ltd, Cartier and Harbor Diamonds are often thought to be among the most beautiful. A gia certification can make for a versatile accessory, but a selection from our variety of 63 Diamond versions can add an especially stylish touch. A round cut version of this piece has appeal, but there are also cushion cut and oval cut versions for sale. There aren’t many items for men if you’re seeking a gia certification, as most of the options available are for women and unisex.

How Much is a Gia Certification?

The price for a gia certification starts at $936 and tops out at $280,000 with these rings, on average, selling for $15,133.

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.