Vintage diamond flanked solitaire ring, French, circa 1970.

Vintage diamond flanked solitaire ring. Set to centre with an octagonal emerald-cut diamond, F colour, VVS2 clarity, with a weight of 2....

Cartier diamond flanked solitaire ring. Set to centre with an octagonal emerald cut diamond, H colour, VVS2 clarity, with a weight of 2.13 carats, in an open back claw setting, flank...

Vintage ruby and diamond flanked solitaire ring. Set to centre with one cushion shape old cut natural and unenhanced Siam ruby in an open back claw setting with a weight of 4.92 cara...

Marquise shape diamond flanked solitaire ring. Set to centre with a marquise shape old cut diamond, I colour, SI1 clarity, with a weight of 1.92 carats in an open back claw setting, ...

A fine and impressive vintage 0.78 carat diamond and 18k white gold solitaire ring; part of our collection of vintage diamond rings. This fine vintage diamond solitaire ring has bee...

Ring in platinum, dog head hallmark. Magnificent diamond solitaire ring, it is set with a modern brilliant- cut diamond with 6 claws, supported on both sides by two baguette- cut diamonds. Total weight of the diamond : 4.17 carats. Quality certified by the french laboratory...

This vintage 1970s era ring is set in hand-engraved 18 carat yellow gold with an enticing combination rubies and diamonds. A deep red, faceted, oval-shaped ruby set at the ring’s cen...

A fine and impressive antique French 0.81 carat diamond solitaire ring in 18 karat white gold; part our antique engagement ring collections. This fine and impressive French antique 0.81 carat diamond solitaire ring has been crafted in 18 karat white gold. This antique 1920s diamond solitaire features a 0.81 carat Old European cut diamond held in high relief in a principle eight claw, pierced decorated, elevated basket setting embellished with a fluted border. The elevated, tapered shoulders blend seamlessly into the plain 18 karat white gold shank. The exterior of the ring shank is hallmarked with the French 18k gold guarantee mark (eagle's head) and the maker's mark. This antique 1920s French diamond...