Oscar Caplan Platinum 5.50 Carat Old European Cut Diamond Two Stone Ring

Centering an old European cut diamond weighing approximately 0.33 carat. H color with VS clarity - set with tri-split prongs in a square form head. With old European and single cut d...

A stunning, fine and impressive, antique Art Deco 2.20 carat onyx and 0.50 carat diamond, platinum ring; part of our diverse collection of onyx jewelry. This stunning, fine and impressive vintage onyx and diamond ring has been crafted in platinum. The oval shaped frame is ornamented with three millegrain decorated collet set baguette cut black onyx, totalling 2.20ct, set vertically in a central stepped formation. The central Art Deco design is encompassed with twenty-four pavé set eight cut diamonds, totalling 0.50ct. The twist style ring shoulders integrate with the diamond border and meld seamlessly with the plain hallmarked ring shank. This desirable vintage onyx and diamond ring is hallmarked to the interior of the shank with the maker's mark (Oscar Caplan) and a platinum mark; the ring has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum. This impressive cocktail ring is supplied with an IDGL diamond and gemstone grading report card. This vintage onyx ring...

This exceptional platinum ring showcases a dynamic arrangement of marquise, round, and baguette diamonds, totaling approximately 5.50 carats. Each diamond is graded F/G in color and ...

Vintage platinum and diamond ring. Stamped Pt 900 and weighs 6.8 grams. The center diamond is an old-Euro cut, 1.22 carat, K,L, M color, Si3 to i1 clarity, good cut. The side diamond...

Era: Art Deco Estate Composition: Platinum Primary Stone: Fourteen Old European Cut Diamonds Total Carat Weight: Approximately 0.50 Carats Color/Clarity: H-J / VS1-2 Ring Size: 6.75 ...

Created around 1900, this English diamond ring is set with five diamonds mounted in 18K gold. The delicate 18K gold band is set across the top wit...

Bold and timeless, this vintage platinum diamond ring is a striking example of 1940s Retro design. Featuring approximately 3.00 carats of Old European cut diamonds, the ring showcase...

Centering an old European cut diamond weighing approximately 0.26 carat - H color with VS2 clarity. Bead set in a square form head and flanked by stepped shoulders. Accented by bead ...

Stunning 18 Karat White Gold, Black and White Pave Set Diamond Dome Cocktail Ring. Rows of semi-circles of white and black round diamonds adorn this significant-sized ring making it ...

Centering an old European cut diamond weighing approximately 0.40 carat - H color with VS2 clarity. Bezel set with a pierced shield shaped surround with additional diamonds bead set throughout. Weighing approximately 0.56 carat total - well matched to center. Accented by calibré cut onyx cabochons channel set at cardinal points. Opaque glossy black in color. With engraved scroll motif shoulders. Stamped for platinum. Fully signed Tiffany & Co.. Circa: 1930's. Ring size: 6 and sizable. Measures North to South 11.0 mm and sits 5.0 mm high. Total weight: 4.2 grams. Stock Number: We-11007 Make a dazzling statement with this Tiffany & Co. Art Deco dinner ring...