Art Deco onyx and diamond ring. This ring is in lovely condition and has a big impact. The onyx is a cushion shape with a diamond shaped setting holding a round diamond riveted in the center. The mounting has the classic Art Deco step down with a split prong head holding the onyx.

Gemstone: Low Dome Pillow Shaped Black Onyx
Measurements: 15.8 x 12 mm

Gemstone: Natural Diamond
Cut: Single Cut Diamond
Color: H/I
Clarity: VS1/2
Weight: 1 = 0.02 cts
Measurements: 1.5 mm

Width: 11.8 x 11.5 mm / 5 - 1.9 mm wide shank / 3.9 mm high off finger
Metal: 10k yellow and white gold
Markings: Makers Mark + 10K
Finger Size: 7.25
Weight: 3.7 grams
Circa: 1920-30
Condition Rating: 8 (light surface wear on gold and light surface scratches on onyx)