Results for “Gia Color Grading”

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1.31ct V-AAA Oval Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIA: 1.31ct V-AAA Oval Cut Ultra Fine Violet Tanzanite Polished Gem Stone For Auction Is A .1.31ct Extra Fine Violet Tanzanite Oval Cut / Faceted Stone. This Piece Has Excellent Polish &

Jun 04, 2026

1.31ct V-AAA Oval Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIA

Est. $600-$900

$200

Weatherham Estate TreasuresCobourg, ON

1.28ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIA: 1.28ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone For Auction Is A 1.28ct Extra Fine Violet Tanzanite Cushion Cut / Faceted Stone. This Piece Has Excellent Polish

Jun 04, 2026

1.28ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIA

Est. $400-$600

$200

Weatherham Estate TreasuresCobourg, ON

2.87ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIA: 2.87ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone For Auction Is A 2.87ct Extra Fine Violet Tanzanite Cushion Cut / Faceted Stone. This Piece Has Excellent Polish

May 28, 2026

2.87ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIA

Est. $1,000-$1,500

$650

Weatherham Estate TreasuresCobourg, ON

2.60ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIA: 2.60ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone For Auction Is A 2.60ct Extra Fine Violet Tanzanite Cushion Cut / Faceted Stone. This Piece Has Excellent Polish

Jun 04, 2026

2.60ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIA

Est. $1,000-$1,500

$600

Weatherham Estate TreasuresCobourg, ON

2.87ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIA: 2.87ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone For Auction Is A 2.87ct Extra Fine Violet Tanzanite Cushion Cut / Faceted Stone. This Piece Has Excellent Polish

Jun 04, 2026

2.87ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIA

Est. $1,000-$1,500

$650

Weatherham Estate TreasuresCobourg, ON

.75ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIA: .75ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone For Auction Is A .75ct Extra Fine Violet Tanzanite Cushion Cut / Faceted Stone. This Piece Has Excellent Polish &

Jun 04, 2026

.75ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIA

Est. $200-$300

$120

Weatherham Estate TreasuresCobourg, ON

Vintage Platinum GIA 1.47ct Oval No Heat Burma Ruby Diamond Ring: Vintage Platinum GIA 1.47ct Oval No Heat Burma Ruby Diamond Ring This exquisite vintage cocktail ring showcases a stunning 1.25ct natural genuine Burmese ruby in a beautiful old roundish oval cut. The

5 days Left

Vintage Platinum GIA 1.47ct Oval No Heat Burma Ruby Diamond Ring

Est. $7,211-$8,113

$2,550

Diamond DepotNew York, NY

Vintage Platinum 13.64ctw GIA Red Orange Opal Diamond Cocktail Ring: Vintage Platinum 13.64ctw GIA Red Orange Opal Diamond Cocktail Ring Embrace the elegance of this vintage cocktail ring, featuring a stunning natural opal at its center. The ring showcases a large oval

5 days Left

Vintage Platinum 13.64ctw GIA Red Orange Opal Diamond Cocktail Ring

Est. $14,273-$16,058

$5,400

Diamond DepotNew York, NY

.74ct V-AAA Round Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIA: .74ct V-AAA Round Cut Ultra Fine Violet Tanzanite Polished Gem Stone For Auction Is A .75ct Extra Fine Violet Tanzanite Round Cut / Faceted Stone. This Piece Has Excellent Polish &

Jun 04, 2026

.74ct V-AAA Round Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIA

Est. $200-$300

$100

Weatherham Estate TreasuresCobourg, ON

Antique Victorian 9k Gold GIA 1.43ct Old European Cut Diamond Ring: Antique Victorian 9k Gold GIA 1.43ct Old European Cut Diamond Ring This exquisite Antique Victorian ring features a stunning 1.43ct Old European Cut diamond, certified by GIA for its quality. The diam

3 days Left

Antique Victorian 9k Gold GIA 1.43ct Old European Cut Diamond Ring

Est. $6,747-$8,771

$5,100

BidhausNew York, NY

Platinum GIA Certified 10.32ctw Cat's Eye & Diamond Cocktail Ring: Platinum GIA Certified 10.32ctw Cat's Eye & Diamond Cocktail Ring This stunning cocktail ring features a natural cabochon cat's eye gemstone, elegantly set in solid platinum. The centerpiece is an 8.8

2 days Left

Platinum GIA Certified 10.32ctw Cat's Eye & Diamond Cocktail Ring

Est. $11,149-$12,543

$3,350

Diamond DepotNew York, NY

Elizabeth Gage 18k Gold GIA Certified Rubellite Tourmaline Diamond Clip Earrings: Elizabeth Gage 18k Gold GIA Certified Rubellite Tourmaline Diamond Clip Earrings These exquisite Elizabeth Gage clip earrings are crafted from solid 18k yellow gold and feature stunning natural genuin

1 day Left

Elizabeth Gage 18k Gold GIA Certified Rubellite Tourmaline Diamond Clip Earrings

Est. $23,668-$26,626

$8,700

Diamond DepotNew York, NY

Vintage 14k Gold Platinum GIA 19.47ct Aquamarine Diamond Cocktail Ring: Vintage 14k Gold Platinum GIA 19.47ct Aquamarine Diamond Cocktail Ring This exquisite vintage cocktail ring showcases a stunning 19.47ct oval aquamarine, beautifully complemented by old European cut d

May 29, 2026

Vintage 14k Gold Platinum GIA 19.47ct Aquamarine Diamond Cocktail Ring

Est. $14,124-$15,889

$5,400

Diamond DepotNew York, NY

GIA Certified 18K Gold Platinum Rubellite Tourmaline Diamond Navette Brooch: GIA Certified 18K Gold Platinum Rubellite Tourmaline Diamond Navette Brooch This exquisite large brooch features a stunning 18k yellow gold and platinum design, showcasing a remarkable natural genuine

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GIA Certified 18K Gold Platinum Rubellite Tourmaline Diamond Navette Brooch

$9,370

Diamond DepotNew York, NY

1.03 Carat Round Diamond Engagement Ring 18K Yellow Gold GIA Appraisal: 1.03 Carat Round Diamond Engagement Ring 18K Yellow Gold GIA Appraisal This stunning contemporary solitaire diamond engagement ring features a dazzling 1.03 carat round brilliant diamond at its center

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1.03 Carat Round Diamond Engagement Ring 18K Yellow Gold GIA Appraisal

$4,660

Mynt AuctionsNew York, NY

Vintage Platinum 1.65ctw GIA Burma Ruby Diamond 3 Stone Band Ring: Vintage Platinum 1.65ctw GIA Burma Ruby Diamond 3 Stone Band Ring This exquisite vintage men's band ring showcases a stunning combination of natural Burmese rubies and diamonds. The ring features two

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Vintage Platinum 1.65ctw GIA Burma Ruby Diamond 3 Stone Band Ring

$6,600

Diamond DepotNew York, NY

Antique Art Deco 18k Gold GIA Certified Diamond Sapphire Engagement Ring: Antique Art Deco 18k Gold GIA Certified Diamond Sapphire Engagement Ring This exquisite antique Art Deco engagement ring showcases a stunning 0.84 carat GIA-certified Old European cut diamond, prong s

2 days Left

Antique Art Deco 18k Gold GIA Certified Diamond Sapphire Engagement Ring

Est. $6,933-$7,800

$2,250

Diamond DepotNew York, NY

18k Yellow Gold GIA Certified No Heat Blue Sapphire Diamond Eternity Band Ring: 18k Yellow Gold GIA Certified No Heat Blue Sapphire Diamond Eternity Band Ring This exquisite 18k yellow gold eternity band ring features a stunning array of natural gemstones. The ring showcases 27 v

3 days Left

18k Yellow Gold GIA Certified No Heat Blue Sapphire Diamond Eternity Band Ring

Est. $4,879-$5,489

$1,525

Diamond DepotNew York, NY

Vintage Platinum 1.65ctw GIA Burma Ruby Diamond 3 Stone Band Ring: Vintage Platinum 1.65ctw GIA Burma Ruby Diamond 3 Stone Band Ring This exquisite vintage men's band ring showcases a stunning combination of natural Burmese rubies and diamonds. The ring features two

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Vintage Platinum 1.65ctw GIA Burma Ruby Diamond 3 Stone Band Ring

$6,600

Mynt AuctionsNew York, NY

GIA Certified 6.19ct E VVS2 Round Diamond: GIA Certified 6.19ct E VVS2 Round Diamond GIA Certified 6.19ct E VVS2 Round Diamond Presenting a stunning GIA certified loose round brilliant diamond, weighing 6.19 ct. This diamond features an E colo

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GIA Certified 6.19ct E VVS2 Round Diamond

$419,170

Mynt AuctionsNew York, NY

18k White Gold GIA Certified 1.86ct Diamond Engagement Ring Classic Design: 18k White Gold GIA Certified 1.86ct Diamond Engagement Ring Classic Design This stunning engagement ring features a beautiful combination of 18k white gold and platinum, showcasing a remarkable GIA-ce

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18k White Gold GIA Certified 1.86ct Diamond Engagement Ring Classic Design

$11,220

Diamond DepotNew York, NY

14k White Gold GIA Certified 12.40ct Aquamarine Diamond Ring: 14k White Gold GIA Certified 12.40ct Aquamarine Diamond Ring This exquisite ring showcases a stunning natural aquamarine at its center, featuring an octagonal step cut that measures approximately 15.7

3 days Left

14k White Gold GIA Certified 12.40ct Aquamarine Diamond Ring

Est. $15,836-$17,815

$4,450

Diamond DepotNew York, NY

18k Gold GIA 10.46ctw Cushion Sphene & Diamond Halo Ring: 18k Gold GIA 10.46ctw Cushion Sphene & Diamond Halo Ring This stunning cocktail ring features a captivating cushion-cut sphene, nestled within a dazzling halo of diamonds. The main stone, a natural ge

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18k Gold GIA 10.46ctw Cushion Sphene & Diamond Halo Ring

$12,160

Diamond DepotNew York, NY

Platinum Sapphire Ring with GIA Certification and Diamond Baguettes: Platinum Sapphire Ring with GIA Certification and Diamond Baguettes This vintage platinum cocktail ring features a natural elongated oval sapphire as its centerpiece, weighing exactly 2.01 carats with

Jun 04, 2026

Platinum Sapphire Ring with GIA Certification and Diamond Baguettes

Est. $4,719-$6,134

$3,600

BidhausNew York, NY

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