Platinum Solitaire Rings

Beautiful German Ring with parts in solid 18K Yellow Gold and Platinum. Ca. 1900s - 1930s , hallmarked 765. Openwork Crown : 9.3 mm x 8.5mm x 4.3mm deep. Bezel set natural Blue ...

Halo Ruby and Diamonds Ring of timeless Art - Deco, or Style Moderne design that developed and flourished in early 1920s - 1940s. Harmonic combinations of various geometrical forms ...

Presenting our Art Deco GIA Certified 0.70 Carat Diamond Emerald Platinum Engagement Ring, a masterpiece that embodies elegance and sophistication. This remarkable ring features a GI...

This exquisite platinum engagement ring showcases a GIA-certified 0.50 carat round brilliant diamond at its center, boasting exceptional E color and internally flawless (IF) clarity....

Classic Diamond Ring in Platinum Crafted in platinum, this solitaire ring centers on a 0.30 carat princess cut diamond with VS clarity and a near colorless white hue. The clean, sub...

Beautiful Swedish Halo Ring with parts in solid Platinum decorated with natural Ruby and Diamonds. Swedish hallmarks : Maker's hallmarks of G.Dalberg ,Stockholm, a letter " P " fo...

This captivating engagement ring is a symphony of luxury and elegance, crafted in the finest platinum for lasting beauty and strength. At its heart lies a resplendent GIA certified d...

Beautiful German Halo Ring with parts in solid 18K Yellow Gold and White Gold / or Platinum. Ca. 1900s -1930s , hallmarked 770. Openwork Crown : 12 mm wide x 11 mm high x 4 mm de...

Ring in solid 18K Yellow Gold with Platinum clusters decorated with large sized natural, transparent, very likely untreated, light Cornflower Blue Sapphire likely of Ceylon origin. E...

Fine 23K Antique Wedding Ring in original leather and silk box. Brilliant cut diamond Ø 4.25 mm / ca. 0.36 ct / color ca.G,H / VS mounted in Platinum setting. Made in Sweden. Make...

This elegant and highly collectible ring is centered by a 5.04 carat natural pink sapphire, certified by C. Dunaigre, a respected Swiss gemological laboratory. The gemstone is of Mad...

A stunning vintage Granat Brothers diamond engagement ring, beautifully crafted in platinum and centered with a 1.73 carat natural Old European cut diamond. The center diamond is su...

A striking example of Tiffany & Co.’s timeless elegance, this engagement ring features a magnificent 5.01 carat oval cut diamond, graded F color and VS1 clarity, offering a refin...

This platinum six prong solitaire ring is the epitome of classic diamond design, offering a refined balance of strength, simplicity, and brilliance. At its center is a 1.65 carat rou...

Early lovely platinum star sapphire cabochon Diamond ring, Carats, about 13 carats - Cut, Cabochon. Color, Light Blue, Baguette single cut diamonds flank both sides, Diamonds clarity...

This platinum and 18K yellow gold solitaire ring is a masterclass in timeless design, elevated by a distinctive button back setting that reflects thoughtful craftsmanship. At its cen...

This Tiffany & Co. Soleste platinum halo ring is an iconic design that embodies refined elegance and timeless brilliance. At its center is a 1.27 carat oval cut diamond, graded G VS1...

This exquisite ring features a vivid red Burma Ruby weighing 1.13 carats, known for its intense color and high quality. The central ruby, certified by GIA, is described as "Pigeon's ...

An extraordinary VAN CLEEF & ARPELS ring, exquisitely crafted in platinum and showcasing the Maison’s iconic Mystery Set rubies. The richly saturated rubies are seamlessly assembled ...

A striking and elegant ring centered by a vivid Colombian emerald weighing 4.01 carats, presented in a beautifully balanced design that highlights both color and structure. The emer...

A stunning, fine and impressive antique 1.54 carat diamond and 18 karat yellow gold, platinum set solitaire ring; part of our diverse jewelry and estate jewelry collections. This st...

An elegant and refined three-stone ring centered by a natural Colombian emerald weighing 3.02 carats, accompanied by a GIA Emerald Origin Report. The emerald is cut in a classic oct...

An elegant and highly desirable sapphire ring centered around a 4.21 carat natural blue sapphire, accompanied by a prestigious Gübelin Gem Lab report confirming Sri Lankan (Ceylon) o...

Oscar Heyman platinum ring with 14mm Tahitian Grey Pearl sitting in a pave setting of 74 Round Diamonds (1.69cts, F-G/VS+). The ring height ...

An extraordinary and highly important GIA-certified round brilliant cut diamond weighing an impressive 34.75 carats, presented in a refined and timeless platinum setting. Stones of t...

An exceptional and highly collectible Tiffany & Co. engagement ring, showcasing the maison’s mastery in colored diamond design and craftsmanship. At the center sits a magnificen...

A truly extraordinary statement piece, centered around an impressive GIA-certified 38 carat pear-shaped diamond of remarkable presence and scale. With its elegant elongated silhouett...

An exceptional ring featuring a magnificent 15.31 carat natural Colombian emerald, certified by GIA and measuring 14.87 x 14.33 x 10.89 mm. The emerald displays a rich, vivid green c...

Magnificent platinum ring from the early 1900s with a splendid 3.4ct old mine cut diamond in the center. The setting is decorated with an engraving of embroidery and old cut diamonds...

A refined and powerful statement ring centered around a magnificent GIA-certified 18.47 carat emerald cut diamond, showcasing the timeless elegance and architectural beauty that defi...

A bold and sophisticated three-stone ring centered by a natural Colombian emerald weighing 6.27 carats, accompanied by a GRS Gemstone Report. The emerald is cut in a classic octagon...

The Step cut Octagonal Emerald in this ring is a natural, non heat treated Columbian stone and measures 3.41ct. It is the most stunning green colour. Either side sits a trio of diamo...

"Lady's aquamarine solitaire ring is made in platinum, stamped 10% Irid Plat, weighs 2.5 pennyweights, cast construction, bright finish, workmanship shows good attention to detail, s...

This beautiful and entirely contemporary ring, probably made in the 1990's, showcases a flawless round Tahitian pearl -- black but with gorgeous mauve-y pink overtones. Clever des...

An iconic Tiffany & Co. diamond engagement ring, crafted in platinum and set with a 2.50 carat natural round brilliant cut diamond in the world-renowned Tiffany Setting. The cen...

An elegant and timeless Tiffany & Co. diamond solitaire ring, centered around a beautifully proportioned 2.50 carat round brilliant cut diamond, accompanied by its original Tiffa...

very noble with the two half-carat brilliant drops on the side, ring in 900 platinum, a pink-red ruby ​​ of approx. 0.96 ct, very fine color quality, AAA, hardly any liquid streaks, ...

This exquisite antique engagement ring showcases a stunning GIA-certified old European cut diamond, weighing approx. 1.60-carats. With K color and VS1 clarity, the diamond radiates b...

--Stone(s):-- (1) Natural Genuine Diamond - Old European Cut - Prong Set - Q to R Color - Faint Yellow - VS1 Clarity - 3.09ct (exact - certified) ** See Certification Details Below ...

A truly exceptional and rare gemstone ring centered by a magnificent natural ruby of extraordinary pedigree, accompanied by a Gemological Institute of America report confirming its m...

Cartier Paris 4.37 carat diamond flanked solitaire. Set to centre with a cushion shape old mine diamond, E colour, SI1 clarity, with a weight of 4.37 carats, in an open back claw set...

A striking and highly collectible three-stone ring centered by an exceptional natural Colombian emerald weighing 6.07 carats, accompanied by a Swiss gemological report from C. Dunaig...

An elegant and highly sought-after Tiffany & Co. Soleste engagement ring, beautifully crafted in a refined combination of platinum and 18K rose gold. This iconic double halo desi...

Old cluster ring, a fine example of early XX-century taste. Platinum on Gold openwork crown, band tested solid 14K Yellow Gold, hallmarked 585. The Crown is 13 mm x 7.5 mm at axes ...

Tiffany & Co. Diamond Engagement Ring. The center stone is 1.71ct F IF. The small diamonds are 0.72ct F VS The setting is PT/950. The ring is a size 6, not sizable The ring weighs 8....

WOW this a great ring!- GIA Certified!! 3-stone platinum mounting with approximately 3.80 total diamond weight (estimated). Handmade with serial number 35007 inside band Middle emera...

An exceptional 8-carat GIA-certified oval diamond, set in platinum and flanked by elegant step-cut trapezoid side stones, this ring represents the pinnacle of refined high-carat desi...

Beautiful Art Nouveau period Sapphire and Diamonds Ring with parts in solid 18K Yellow Gold and White Gold / or Platinum. Ca. 1900s -1910s, worn Swedish hallmarks : 18 K, three crow...

A truly exceptional statement ring, showcasing a breathtaking GIA-certified 20.04 carat cushion brilliant diamond of extraordinary presence and refinement. According to GIA report t...

Cartier 1894 Solitaire Diamond Engagement Ring in Platinum, features a round brilliant cut diamond H color, VS1 clarity weighing 1.12 carats. The diamond has excellent polish and exc...

A remarkable 10.15-carat GIA-certified Cushion Brilliant diamond, set in a sleek platinum solitaire, this ring represents the pinnacle of natural diamond elegance. Rare in both size ...

An exceptional Cartier diamond ring crafted in platinum (PT950) and centered with a magnificent 7.5 carat natural cushion brilliant cut diamond. The diamond is GIA certified, graded...

A rare and exquisite example of Edwardian craftsmanship, this antique cluster ring showcases a central old European cut diamond weighing approximately 1.50 carats. Graded I color and...

Ruby and diamond platinum ring. * ABOUT THIS ITEM: #R-DJ630A. Scroll down for specifications. A larger, standout, ruby displaying an amazing shade of ...

Аntique ca. early XX cent. solid 18K Yellow Gold Bague au Firmamen styled Blue Enamel and Diamond Ring. Hallmarked 750, likely Italian 1920s -1930s, logo of the maker. L Crown is 14...

A remarkable and highly distinctive antique-style diamond ring centered around a GIA-certified 9.14 carat Old Mine Brilliant cut diamond, offering exceptional character and historic ...

This iconic Tiffany & Co. platinum six-prong solitaire is the epitome of timeless elegance. At its center is a magnificent 2.86 carat round brilliant diamond, certified by GIA as...

A vivid and elegant platinum ring centered by a 2.58 carat natural Cuprian tourmaline, certified by GRS GemResearch Swisslab as a greenish-blue GRS-type “Paraiba”-color tourmaline of...

A truly important and exceptional gemstone ring centered by a 20 carat natural cushion-cut ruby of Madagascan origin, accompanied by a GRS Swisslab Platinum Award Appendix This extr...

An exceptional GIA certified 5.03 carat natural blue sapphire ring, showcasing a beautiful cushion-shaped sapphire of remarkable color and presence. The center stone is a natural sa...