Platinum Solitaire Engagement Rings (533 results)

2.10 Carat Round Diamond Platinum Rose Gold Solita...
18k Gold, Rose Gold, Platinum, Diamond, White Diamond
A very fine 2.10 carat Round Brilliant cut diamond in a platinum and 18k rose gold Solitaire ring. The center stone is E color VS1 clarity set in a chic polished fine platinum ring and ...
Antique Victorian 1.69 Carat Cushion Cut Diamond Solitaire Engagement Ring
Antique Victorian 1.69 Carat Cushion Cut Diamond S...
Unknown
18k Gold, Platinum, White Diamond
A stunning antique engagement ring set with a beautiful antique cushion cut diamond in a classic eight-claw mount. The stone is 1.69 carats in weight, and grades at G colour with VS1 cl...
Art Deco Diamond Engagement Ring, Solitaire Old European Cut, 0.67 Carat
Art Deco Diamond Engagement Ring, Solitaire Old Eu...
Unknown
18k Gold, Platinum, Diamond
Circa 1920's Art Deco diamond engagement ring set with an old European cut diamond approx. 0.67ct with colour and clarity assessed as I-J and SI2 respectively. The diamond is set in r...
Art Deco 1.54 Carat Old European Halo Diamond Cut Engagement Ring
Art Deco 1.54 Carat Old European Halo Diamond Cut ...
Unknown
18k Gold, Platinum, Diamond
An Art Deco diamond halo cluster set in 18ct white gold comprising a central old European cut diamond approx. 1.54 carat and measuring approx. 7.1mm x 6.95mm x 5.03mm deep. The colour a...
0.32Ct Diamond, 18k Yellow Gold, Platinum Set Soli...
Unknown
18k Gold, Yellow Gold, Platinum, Diamond
A fine and impressive antique 0.32 carat diamond and 18 karat yellow gold, platinum set solitaire ring; part of our diamond jewelry and estate jewelry collections. This impressive anti...
2.04 Carat Diamond Gold Platinum Solitaire Engagem...
Unknown
18k Gold, Yellow Gold, Platinum, Diamond
A stunning, fine and impressive 2.04 carat asscher cut diamond and 18 karat yellow gold, platinum solitaire ring; part of our diverse range of engagement rings This stunning, fine and ...
0.28Ct Diamond and 18k Yellow Gold Solitaire Ring ...
Unknown
18k Gold, Yellow Gold, Platinum, Diamond
A fine and impressive vintage 0.28 carat diamond and 18 karat yellow gold, platinum set solitaire ring; part of our diamond jewelry/estate jewelry collections This impressive vintage d...
0.65Ct Diamond & 18k White Gold, Platinum Set Soli...
Unknown
18k Gold, White Gold, Platinum, Diamond
A fine and impressive antique 0.65 carat diamond and 18 karat white gold, platinum set solitaire ring; part our antique jewelry/estate jewelry collections This impressive diamond solit...
0.35Ct Diamond & 18k Yellow Gold, Platinum Set Sol...
Unknown
18k Gold, Yellow Gold, Platinum, Diamond
A fine and impressive platinum set vintage 0.35 carat diamond solitaire ring in 18 karat yellow gold; part of our diamond jewelry and estate jewelry collections This impressive vintage...
0.55Ct Diamond & 18k White Gold, Platinum Set Soli...
Unknown
18k Gold, White Gold, Platinum, Diamond
A fine and impressive vintage French 0.55 carat diamond and 18 karat white gold, platinum set solitaire ring; part our vintage jewelry/estate jewelry collections This impressive 1950's...
1940s 18 Karat Yellow Gold and Platinum 1.5 Carat ...
Unknown
18k Gold, Platinum, Diamond
French Tank ring, circa 1940 This rare ring weighting 13,80g has French assay marks (dog’s head for platinum and eagle's head for 18 carat gold). Made of pink gold and platinum, the rin...
18 Karat Pink Gold and Platinum 2.20 Carat Diamond...
Unknown
18k Gold, Platinum, Diamond
French antique ring, circa 1900 This square cluster ring weighting 5,30g has French assay marks (dog’s head for platinum and eagle's head for 18 carat gold). Made of pink gold and plati...
1940s 18 Karat Gold and Platinum French Tank Ring, 3.60 Carat Diamonds
1940s 18 Karat Gold and Platinum French Tank Ring,...
Unknown
Platinum, 18k Gold, Diamond
French Tank ring, circa 1940 This rare ring weighting 16,90g has French assay marks (dog’s head for platinum and eagle's head for 18 carat gold). This light pink gold and platinum ring ...
GIA Intense Pink Diamond Ring

GIA Intense Pink Diamond Ring
Platinum, White Diamond, Pink Diamond
Nature's Wonder! Beautiful Intense Purplish Pink pear shape diamond is set in rose gold surrounded with 24 natural pink brilliant diamonds( total weight of 0.13 carats) then flared flow...
Antique Light Blue Star Sapphire Diamond Platinum Ring
Antique Light Blue Star Sapphire Diamond Platinum ...
Unknown
Platinum, White Diamond, Star Sapphire
Early lovely platinum star sapphire cabochon Diamond ring Carats, 13+ Cut, Cabochon Color, Light Blue Baguette single cut diamonds flank both sides Diamonds clarity VS-2 / SI-1 Any...
Vintage 1950s Diamond Solitaire Ring, 1.31 Carat
Vintage 1950s Diamond Solitaire Ring, 1.31 Carat
Unknown
18k Gold, Platinum, Diamond
What an exquisite solitaire ring this is; a round diamond set in a square mount. The diamond is set with four claws within a millegrain border. The mount is open allowing the light to...
1920s 0.58 ct Diamond and 18K Yellow Gold Solitair...
Unknown
18k Gold, Platinum, Diamond, White Diamond
A fine and impressive antique 0.58 carat diamond and 18k yellow gold solitaire ring with a platinum setting; part of our diverse diamond jewellery and estate jewelry collections This f...
French 1920s 2.45 Carat Brilliant Cut Diamond Soli...
Platinum, Diamond, White Diamond
Platinum ring, dog head hallmark. Set with an antique brilliant cut diamond of 2.45 carats on platinum, this splendid authentic solitaire ring has gone through the ages without getting ...
4.01 Carat Royal Asscher Cut Diamond Ring in Platinum, GIA Certified
4.01 Carat Royal Asscher Cut Diamond Ring in Plati...
Lester Lampert
Platinum, White Diamond
Lester Lampert Platinum Signature Engagement Ring, featuring a 4.01 carat Royal Asscher® Cut Diamond of G color and VS1 clarity with a GIA Diamond Grading Report (#11835331) and 4 taper...
Fancy Intense Yellow Diamond Ring

Fancy Intense Yellow Diamond Ring
Platinum, Yellow Diamond
Fancy Intense Yellow Diamond Ring. Emerald shape diamond is 18.19 carat with 2 trillion bullets with a total carat weight of 1.31ct, Color: G, Clarity: VS, all set in platinum, Emera...
GIA Certified Fancy Vivid Yellow Diamond Ring
GIA Certified Fancy Vivid Yellow Diamond Ring
Platinum, Yellow Diamond
G.I.A, certified Fancy Vivid Yellow Diamond Ring. The center diamond is a 1.47CT Radiant Cut Diamond Color: Fancy Vivid Yellow, Clarity: VVS1 and GIA certified (GIA#######) This rin...
1940s 1.25 Carat Diamond and Platinum Solitaire Ri...
Unknown
Platinum, Diamond
This impressive vintage diamond solitaire is displayed in a sympathetic contemporary platinum setting. The 1.25 carats transitional modern brilliant round cut diamond is held in a cont...
French Diamond Platinum Solitaire Ring, 20th Century
French Diamond Platinum Solitaire Ring, 20th Centu...
Unknown
18k Gold, White Gold, Platinum, Diamond
Set with a small diamond, mounted in 18k white gold and platinum. Paris, mid 20th century size 5 ½.
1980s 1.72 Carat Diamond and Contemporary Platinum...
Unknown
Platinum, Diamond
A stunning, fine and impressive vintage 1.72 carat diamond solitaire displayed in a contemporary platinum setting; part of our diamond jewelry and estate jewelry collections This stunn...
1910s 1.96 Carat Diamond and Yellow Gold Platinum ...
Unknown
18k Gold, Yellow Gold, Platinum, Diamond
An impressive antique 1.96 carat diamond and 18 karat yellow gold, platinum set solitaire engagement ring; part of our diverse diamond jewelry collections This fine and impressive anti...
Late Victorian 1.35 Carat Old Cut Diamond Engageme...
Unknown
18k Gold, Platinum, Diamond
An original turn of the (twentieth) century engagement ring, presenting a 1.35 carat old cut diamond in a rubover platinum mounting set atop an 18 carat yellow gold shank. Gemstone: Di...
Diamond & Platinum Solitaire Ring - Vintage Circa ...
Unknown
Platinum, Diamond
A fine and impressive vintage 0.57 carat diamond solitaire displayed in a contemporary platinum setting; part of our diamond jewelry/estate jewelry collections This impressive vintage ...
Diamond and Platinum Solitaire Ring - Circa 1960 a...
Unknown
Platinum, Diamond
A fine and impressive 0.23 carat diamond and contemporary platinum solitaire ring; part of our diamond jewelry/estate jewelry collections This impressive diamond solitaire is displaye...
0.24Ct Diamond & Platinum Solitaire Ring - Circa 1...
Unknown
Platinum, Diamond
A fine and impressive 0.45 carat diamond (total) and contemporary platinum solitaire ring; part of our diamond jewelry/estate jewelry collections This impressive diamond solitaire is d...
0.72Ct Diamond and Platinum Solitaire Ring - Conte...
Unknown
Platinum, Diamond
A fine 0.72 carat princess cut diamond solitaire ring in platinum; part of our diverse diamond jewelry collection. This contemporary princess cut diamond solitaire ring has been crafte...
Boucheron Paris Solitaire Natural Unenhanced Burme...
Boucheron
Platinum, Blue Sapphire, Diamond
Boucheron Paris solitaire Burmese sapphire and diamond ring. Set to centre with a natural unenhanced cushion shape old cut Burmese sapphire with an approximate weight of 4.02 carats in ...
1930s Art-Deco Platinum 2.30 Carat Diamond Solitaire Engagement Ring
1930s Art-Deco Platinum 2.30 Carat Diamond Solitai...
Unknown
Platinum, Diamond
French Art-Deco platinum ring, circa 1930 This rare and wide ring weighting 13,90g has French assay mark (dog’s head). The ring is centrally set with an old European cut diamond (estima...
6.94 Carat Natural Burmese Sapphire and Diamond Platinum Ring
6.94 Carat Natural Burmese Sapphire and Diamond Pl...
Unknown
Platinum, Diamond, Blue Sapphire
This 6,94 carats Burmese sapphire and diamond ring is fashioned in platinum. The natural unenhanced cushion sapphire is set with four double prongs and flanked vertically with two recta...
French Art Deco Platinum 3.50 Carat Diamond Solita...
Unknown
Platinum, Diamond
French Art-Deco platinum solitaire ring with graduating stepped shoulders, circa 1930 The central old European cut diamond has an estimated weight of 3,50 carats (J-K color and VS clari...
1930s French Art Deco 3.60 Carat Diamond Platinum Ring
1930s French Art Deco 3.60 Carat Diamond Platinum ...
Unknown
Platinum, Diamond
Stunning French Art-Deco platinum ring set with two old European cut diamonds and graduating stepped shoulders, circa 1930. Each diamond is weighting approximatively 1,20 carat (H-I col...
1910s 2.31 Carat Diamond and Platinum Solitaire Ri...
Unknown
Platinum, Diamond
A stunning, fine and impressive antique 2.31 carat old cut diamond and platinum solitaire style engagement ring; part of our antique diamond engagement ring collections. This fine ant...
Tiffany & Co. Diamond Solitaire Ring

Tiffany & Co. Diamond Solitaire Ring
Tiffany & Co.
18k Gold, Platinum, Diamond
Tiffany & Co. Diamond Solitaire Ring with 18K yellow gold shank and platinum setting. Tiffany & Co. Certified Diamond 3.18ct G/ VS1, with Tiffany & Co. Certificate, Size 6.75 US/ 53.25 ...
1920s Art Deco 2.56 Carat Diamond and Black Onyx P...
Unknown
Platinum, Diamond
This fine and impressive antique diamond and onyx ring has been crafted in platinum. The iconic Art Deco pierced decorated, cut-cornered rectangular setting displays a feature 2.35 ct ...
Tiffany & Co. 2.01 Carat D VVS1 Platinum Solitaire Diamond Engagement Ring
Tiffany & Co. 2.01 Carat D VVS1 Platinum Solitaire...
Tiffany & Co.
Platinum, Diamond
Tiffany & Co. Engagement Ring Style: The Tiffany Classic Solitaire Setting Serial Number: D36547 Metal: Platinum PT950 Size: 5 - sizable Total Carat Weight: 2.01 CTS Diamond Sha...
1940s 1.01 Carat Diamond Platinum Solitaire Ring
Unknown
Platinum, Diamond
A fine and impressive vintage 1.11 carat diamond (total) and platinum solitaire ring; part of our diverse diamond jewellery/estate jewelry collections This fine and impressive vintage ...
Diamond and Platinum Solitaire Ring, Vintage circa...
Unknown
Platinum, Diamond
A fine and impressive vintage 0.67 carat diamond and contemporary platinum solitaire ring; part of our diamond jewelry and estate jewelry collections This impressive vintage diamond so...
GIA Certified 1.31 Carat Diamond Engagement Ring, ...
Unknown
Platinum, Diamond
A GIA certified diamond solitaire ring comprising an old European cut diamond in a six claw set, V prong platinum mount and measuring 6.7mm x 6.8mm x 4.13mm deep. The diamond is detail...
Contemporary Diamond and Platinum Solitaire Engage...
Unknown
Platinum, Diamond
A fine 0.99 carat modern brilliant round cut diamond and platinum solitaire ring; part of our diverse range of diamond jewelry/jewelry This fine contemporary diamond solitaire ring has...
1.33 Carat Transitional Cut Diamond Solitaire Enga...
Unknown
18k Gold, Platinum, Diamond
This stunning Art Deco engagement ring is a classic solitaire, highlighting a beautiful transitional cut diamond. It has been certified as H in colour and VS1 in clarity by independent ...
Whitney Boin Diamond Solitaire Engagement Ring

Whitney Boin Diamond Solitaire Engagement Ring
18k Gold, Platinum, Diamond
18K yellow gold and platinum diamond solitaire engagement ring with one round brilliant cut diamond weighing 0.54 carat, H color, SI1 clarity. Size 5 1/4. Can be sized.
GIA Certified 3.75 Carat Cushion Oval Sapphire and...
Platinum, Diamond, Sapphire, Blue Sapphire
This GIA Certified 3.75 Carat Madagascar Cornflower Blue Sapphire Ring features a Diamond Halo and Platinum setting. The Sapphire center stone measures 9.29 x 7.91 x 5.6 millimeters and...
Antique Rose Cut Diamond Platinum and White Gold R...
Unknown
White Gold, Platinum, Diamond
This Antique Rose-cut Diamond ring is in platinum and white gold. The Diamond is 8.6 millimeters diameter. Early 20th Century.
French 1.16 Carat Diamond Platinium Solitaire Enga...
Unknown
Platinum, Diamond, White Diamond
Platinium ring, dog head hallmark. This lovely diamond solitaire ring features a modern claw set brilliant cut diamond of 1.16 carats. Total weight of diamonds: 1.16 carat approx - E...
French 1930s Platinium Diamond Solitaire Ring
Unknown
Platinum, Diamond, White Diamond
Platinium ring, dog's head hallmark. A very feminine solitaire ring featuring a brilliant cut solitaire diamond held by 6 claws with 3 rose cut diamond on each side. Weight of the c...
Vintage Old-Cut Diamond Solitaire Ring, 1.60 Carat, in Platinum Setting
Vintage Old-Cut Diamond Solitaire Ring, 1.60 Carat...
Unknown
Platinum, Diamond
If a diamond can ever be described as discreet then the cushion-cut is it. Just a shade different from the usual round brilliant cut, the curvacious shape sits beautifully within this...
Diamond & Platinum Solitaire Ring - Circa 1960 & C...
Unknown
Platinum, Diamond
A fine and impressive 0.22 carat diamond and contemporary platinum solitaire ring; part of our diamond jewelry / estate jewelry collections This impressive diamond solitaire is display...
0.25 Carat Diamond and Platinum Solitaire Ring
Unknown
Platinum, Diamond, White Diamond
A fine and impressive vintage 0.25 carat diamond and platinum solitaire ring; part of our diverse diamond jewellery and estate jewelry collections This fine and impressive vintage diam...
1940s 1.04 Carat Diamond & Platinum Solitaire Ring...
Unknown
Platinum, Diamond
A fine and impressive vintage 1.04 carat diamond and contemporary platinum solitaire engagement ring; part our diamond jewelry/estate jewelry collections This impressive vintage diamon...
Contemporary 1.22 Carat Diamond and Platinum Solit...
Unknown
Platinum, Diamond
An impressive contemporary 1.22 carat princess cut diamond and platinum solitaire ring; part of our diamond engagement ring collections. This fine and impressive contemporary princess ...
0.31 ct Diamond and Platinum Solitaire Ring - Cont...
Unknown
Platinum, Diamond
A fine 0.31 carat trillion cut diamond and platinum solitaire ring; part of our diverse diamond jewellery and estate jewelry collections This fine trillion solitaire ring has been craf...
1.01 Ct Diamond and Platinum Solitaire Ring - Vint...
Unknown
Platinum, Diamond
A fine and impressive antique 1.01 carat diamond and platinum solitaire ring; part of our diamond jewelry and estate jewelry collections This stunning, fine and impressive vintage diam...
1920s Antique Diamond and Platinum Cocktail Ring
Unknown
Platinum, Diamond
A fine and impressive antique 0.41 carat diamond and platinum dress ring; part of our diverse antique jewelry/estate jewelry collections This impressive antique diamond dress ring has ...
0.72Ct Diamond and Platinum Solitaire Ring - Antiq...
Unknown
Platinum, Diamond
A fine and impressive antique 0.72 carat diamond and platinum ring; part of our antique jewelry and estate jewelry collections This impressive antique diamond solitaire ring has been c...
0.53Ct Diamond and Platinum Solitaire Ring - Antiq...
Unknown
Platinum, Diamond
A fine and impressive antique French 0.53 carat diamond and platinum solitaire ring; part of our antique jewelry and estate jewelry collections This impressive French diamond ring has ...
0.38Ct Diamond and Platinum Solitaire Ring - Vinta...
Unknown
Platinum, Diamond
A fine and impressive vintage 0.38 carat diamond and platinum solitaire ring; part of our diamond jewelry/estate jewelry collections This impressive diamond solitaire ring has been cra...