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Platinum Engagement Rings

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PLATINUM DIAMOND ENGAGEMENT RING W/2.35 CT CENTER STONE: FINE ART DECO PLATINUM DIAMOND ENGAGEMENT RING W/2.35 CT CENTER STONE W/2 ELONGATED BAGUETTES APPROX. .50 CTS, C. 1960, W. 3.6 DWT

Jun 07, 2025EstateOfMind Auctions

PLATINUM DIAMOND ENGAGEMENT RING W/2.35 CT CENTER STONE

(5 bids)

CERTIFIED PLATINUM 2.12 CTW J-K/VS-SI1 DIAMOND HALO ENGAGEMENT RING: CERTIFIED PLATINUM 2.12 CTW J-K/VS-SI1 DIAMOND HALO ENGAGEMENT RING -- CERTIFIED PLATINUM 2.12 CTW J-K/VS-SI1 DIAMOND HALO ENGAGEMENT RING (CENTER STONE DAIMOND .80 CTW J-K/VS-SI1) please request ring

Nov 11, 2025Papps Family Liquidation

CERTIFIED PLATINUM 2.12 CTW J-K/VS-SI1 DIAMOND HALO ENGAGEMENT RING

Art Deco Platinum 1.28ct Diamond Engagement Ring GIA cert: Art Deco platinum engagement ring with a 1.28ct diamond in the center and on either side are .05pt marquise shape diamonds. The diamond comes with a GIA cert stating the diamonds is 1.28cts VS2 clarit

2 days LeftLocati, LLC

Art Deco Platinum 1.28ct Diamond Engagement Ring GIA cert

GIA 2.4ct Fancy Yellow Cushion Cut Diamond Platinum Engagement Ring w Appraisal: Described & Photographed By: Ayanna CNX 0122 0267 Title: GIA 2.4ct Fancy Yellow Cushion Cut Diamond Platinum Engagement Ring w Appraisal Video: Commonly Asked Q

May 31, 2025Hess Fine Auctions

GIA 2.4ct Fancy Yellow Cushion Cut Diamond Platinum Engagement Ring w Appraisal

(4 bids)

2 ART DECO PLATINUM/DIAMOND ENGAGEMENT RING W/ BAND: LOT (2) ART DECO PLATINUM/DIAMOND ENGAGEMENT RING W/WEDDING BAND, C. 1945, DIAM. 1.95 CT. EUROPEAN CUT, W. 3.1 DWT, SZ. 6

Jun 07, 2025EstateOfMind Auctions

2 ART DECO PLATINUM/DIAMOND ENGAGEMENT RING W/ BAND

(3 bids)

Gia 5.36Ct Vvs2 Old Cut Asscher Diamond Ladies Platinum Solitaire Engagement Ring: Described & Photographed By: Ayanna HFA DT39813 NCCDDD Title: GIA 5.36ct VVS2 Old Cut Asscher Diamond Ladies Platinum Solitaire Engagement Ring Description: GIA 5.36ct VVS2 Old Cut Assc

Jun 28, 2025Hess Fine Auctions

Gia 5.36Ct Vvs2 Old Cut Asscher Diamond Ladies Platinum Solitaire Engagement Ring

(1 bid)

Pink Tourmaline and Diamond Engagement Ring, Platinum: Platinum ring with round pink tourmaline, approximately 2.75cts, with surround diamonds at approximately 2.0ctw, size US 6.75, 7.7 grams

1 day LeftVerma Estate Department

Pink Tourmaline and Diamond Engagement Ring, Platinum

(5 bids)

4.24 CARAT CUSHION BRILLIANT & OLD EUROPEAN DIAMOND PLATINUM ENGAGEMENT RING: 4.24 CARAT CUSHION BRILLIANT & OLD EUROPEAN DIAMOND PLATINUM ENGAGEMENT RING Department Unisex Adults Main Stone Diamond Metal Platinum Metal purity 950 Style Ring Diamond Clarity Grade Very Slightly

May 25, 2025Modern Jewelry

4.24 CARAT CUSHION BRILLIANT & OLD EUROPEAN DIAMOND PLATINUM ENGAGEMENT RING

1930s Art Deco Platinum 0.75ct F Color Diamond Engagement Ring: Platinum engagement ring with center 0.75ct Old European cut diamond, F color VS2 clarity, and accent diamonds 0.20ctw, F color VS clarity. Size US 7.75, 3.1 grams. Circa 1930s, French origin.

1 day LeftVerma Estate Department

1930s Art Deco Platinum 0.75ct F Color Diamond Engagement Ring

(2 bids)

Green Tourmaline and Diamond Engagement Ring, Platinum: Platinum engagement ring with emerald cut green tourmaline, 3.98cts, with accent round and baguette diamonds, size US 4.5, 10.5g

1 day LeftVerma Estate Department

Green Tourmaline and Diamond Engagement Ring, Platinum

(5 bids)

0.91 CARAT ASSCHER CUT E VVS2 DIAMOND 0.48 CARAT RUBY PLATINUM ENGAGEMENT RING: 0.91 CARAT ASSCHER CUT E VVS2 DIAMOND 0.48 CARAT RUBY PLATINUM ENGAGEMENT RING Department Unisex Adults Main Stone Diamond Metal Platinum Metal purity 950 Style Ring Diamond Clarity Grade Very Slightl

May 25, 2025Modern Jewelry

0.91 CARAT ASSCHER CUT E VVS2 DIAMOND 0.48 CARAT RUBY PLATINUM ENGAGEMENT RING

2.06 CARAT OLD EUROPEAN CUT I VS2 DIAMOND PLATINUM ENGAGEMENT RING: 2.06 CARAT OLD EUROPEAN CUT I VS2 DIAMOND PLATINUM ENGAGEMENT RING Department Unisex Adults Main Stone Diamond Metal Platinum Metal purity 950 Style Ring Diamond Color Grade I Diamond Clarity Grade Ve

May 25, 2025Modern Jewelry

2.06 CARAT OLD EUROPEAN CUT I VS2 DIAMOND PLATINUM ENGAGEMENT RING

2.40 CARAT EMERALD AND BAGUETTE SHAPE DIAMOND PLATINUM ENGAGEMENT RING: 2.40 CARAT EMERALD AND BAGUETTE SHAPE DIAMOND PLATINUM ENGAGEMENT RING Department Unisex Adults Main Stone Diamond Metal Platinum Metal purity 950 Style Ring Diamond Color Grade I Diamond Clarity Grad

May 25, 2025Modern Jewelry

2.40 CARAT EMERALD AND BAGUETTE SHAPE DIAMOND PLATINUM ENGAGEMENT RING

3.23 CARAT ASSCHER CUT AND EMERALD CUT DIAMOND PLATINUM ENGAGEMENT RING: 3.23 CARAT ASSCHER CUT AND EMERALD CUT DIAMOND PLATINUM ENGAGEMENT RING Title: 3.23 Carat Asscher Cut J SI2 and Emerald Cut G VS1 Diamond Platinum Engagement Ring Style: Engagement Metal: Platinum Gem

May 25, 2025Modern Jewelry

3.23 CARAT ASSCHER CUT AND EMERALD CUT DIAMOND PLATINUM ENGAGEMENT RING

TIFFANY & CO.1.07CT SOLESTE INTENSE YELLOW DIAMOND 18K GOLD PLATINUM RING PAPER: TIFFANY & CO.1.07CT SOLESTE INTENSE YELLOW DIAMOND 18K GOLD PLATINUM RING PAPER Tiffany & Co.1.07ct Soleste Intense Yellow Diamond 18k Gold Platinum Ring Paper Description This is a stunning engagemen

May 27, 2025Modern Jewelry

TIFFANY & CO.1.07CT SOLESTE INTENSE YELLOW DIAMOND 18K GOLD PLATINUM RING PAPER

Two Antique 14K & Platinum Diamond Rings: Three stone ring marked 14K Old European cut diamonds with a total weight of .75pts. SI2-I1 clarity, size 6.5. The engagement ring is marked 10% Irid Plat. Center diamond measures .33pts VS2-SI1 clari

2 days LeftLocati, LLC

Two Antique 14K & Platinum Diamond Rings

Platinum Diamond Engagement Ring, Size 8: Platinum Diamond Engagement Ring, Size 8, Consisting of One Center Marquise Cut Diamond Weighing 5.73 Carats. Diamond is K in Color and I1 in Clarity. Ring Also Contains Two (2) Side Tapered Baguette

May 31, 2025Northgate Gallery, Inc.

Platinum Diamond Engagement Ring, Size 8

May 25, 2025Modern Jewelry

TIFFANY AND CO 1.01 CARAT I-VS1 PLATINUM DIAMOND ENGAGEMENT RING WITH CERT

CARTIER 0.91 CARAT FANCY VIVID YELLOW VS2 DIAMOND PLATINUM ENGAGEMENT RING: CARTIER 0.91 CARAT FANCY VIVID YELLOW VS2 DIAMOND PLATINUM ENGAGEMENT RING Designer: CARTIER Title: Cartier 0.91 Carat Fancy Vivid Yellow VS2 Diamond Platinum Engagement Ring Style: Engagement Gemston

May 25, 2025Modern Jewelry

CARTIER 0.91 CARAT FANCY VIVID YELLOW VS2 DIAMOND PLATINUM ENGAGEMENT RING

3.46 CARAT EMERALD CUT & ROUND BRILLIANT DIAMOND PLATINUM ENGAGEMENT RING: 3.46 CARAT EMERALD CUT & ROUND BRILLIANT DIAMOND PLATINUM ENGAGEMENT RING Department Unisex Adults Main Stone Diamond Metal Platinum Metal purity 950 Style Ring Diamond Color Grade H Diamond Clarity G

May 25, 2025Modern Jewelry

3.46 CARAT EMERALD CUT & ROUND BRILLIANT DIAMOND PLATINUM ENGAGEMENT RING

VINTAGE PLATINUM DIAMOND ENGAGEMENT 5.25 RING - 0.41 CARAT W SINGLE CUT DIAMONDS: VINTAGE PLATINUM DIAMOND ENGAGEMENT 5.25 RING - 0.41 CARAT W SINGLE CUT DIAMONDS Vintage Platinum Diamond Engagement Ring Round Brilliant Cut Center Stone - 0.41 Carat 18 Single Cut Diamonds Approx We

May 25, 2025Modern Jewelry

VINTAGE PLATINUM DIAMOND ENGAGEMENT 5.25 RING - 0.41 CARAT W SINGLE CUT DIAMONDS

1.11 CARAT OLD EUROPEAN CUT L VVS2 DIAMOND PLATINUM ENGAGEMENT RING: 1.11 CARAT OLD EUROPEAN CUT L VVS2 DIAMOND PLATINUM ENGAGEMENT RING Title: 1.11 Carat Old European Cut L VVS2 Diamond Platinum Engagement Ring Style: Engagement Metal: Platinum Gemstone 1: 1.11 Carat

May 25, 2025Modern Jewelry

1.11 CARAT OLD EUROPEAN CUT L VVS2 DIAMOND PLATINUM ENGAGEMENT RING

1.90 CARAT OLD EUROPEAN CUT K SI1 AND DIAMOND PLATINUM ENGAGEMENT RING: 1.90 CARAT OLD EUROPEAN CUT K SI1 AND DIAMOND PLATINUM ENGAGEMENT RING Title: 1.90 Carat Old European Cut K SI1 and Diamond Platinum Engagement Ring Style: Engagement Metal: Platinum Gemstone 1: 0.12

May 25, 2025Modern Jewelry

1.90 CARAT OLD EUROPEAN CUT K SI1 AND DIAMOND PLATINUM ENGAGEMENT RING

1.89 CARAT OLD EUROPEAN CUT L VVS2 DIAMOND PLATINUM ENGAGEMENT RING: 1.89 CARAT OLD EUROPEAN CUT L VVS2 DIAMOND PLATINUM ENGAGEMENT RING Title: 1.89 Carat Old European Cut L VVS2 Diamond Platinum Engagement Ring Style: Engagement Metal: Platinum Gemstone 1: 1.89 Carat

May 25, 2025Modern Jewelry

1.89 CARAT OLD EUROPEAN CUT L VVS2 DIAMOND PLATINUM ENGAGEMENT RING

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Platinum Engagement Rings

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