Art Deco Onyx and Diamond Ring

Centering old mine-cut diamonds to scalloped shaped black onyx sides, mounted in platinum, circa 1920 Size 7

Centered with a old cut diamond weighing approx. 1 .2ct to an openwork bezel and shoulders, mounted in 18kt white gold circa 1935 Size 5 3/4 Weight 4.5gr.

The oval shaped flat onyx inset with a collet set principal round old cut diamond, approximately 1ct. Length of head 1.7cm x 1.2cm The setting is in platinum with geometric motif eng...

The carved onyx disc with an applied old brilliant-cut diamond, within a scalloped rubover setting, principal diamond approx. 1.8ct, ring size 7 1/2 Weight: 10,79gr.

This is an Art Deco style onyx and diamond plaque ring. The central diamond is a 0.35 carat round brilliant cut and sits in a rubover mount with a lovely milgrain edge. Condition: U...

A fine and impressive 0.32 carat diamond and 18 karat yellow gold, platinum set, Art Deco style solitaire ring; part of our contemporary jewelry and diamond ring collections This fine contemporary yellow gold princess cut diamond engagement ring has been crafted in 18k yellow gold with a platinum setting. The feature 0.32Ct princess cut diamond is bezel set in a simple contemporary rectangular frame. The diamond is flanked on either side with two elevated plain platinum Art Deco style semi-circular shaped designs. The hallmarked 18k yellow gold shank has a twin-stranded design which sheathes neatly into the semi-circular arrangements. The interior of the shank is clearly hallmarked with full English hallmarks including the 18k gold standard mark 750, gold guarantee mark (crown), Sheffield Assay Office mark (Sheffield rose), date letter for 1997 (X) and the maker's mark 'H&W'. This fine yellow gold princess cut diamond engagement ring is supplied with an independent diamond grading certificate. Condition This diamond ring is fine quality, set with a very high color graded, princess cut diamond. The yellow gold princess cut diamond ring...

The Emerald in this ring measures 1ct and is a great colour. Either side sit a baguette and round diamond on the shoulders. The diamond total of the ring is 20pts. The ring is modell...

A fabulous onyx ring from the Art Deco (ca1920s) era! Crafted in 14k white gold, this lovely piece feature an onyx centerpiece adorned with an inlaid old cut single cut diamond. The ...