Antique Onyx & Old Mine Cut Diamond Ring 14k Yellow Gold

Antique Art Deco Old Mine Cut Diamond & Black Onyx Ring - Ruby Lane

Antique Onyx & Old Mine Cut Diamond Ring 14k Yellow Gold

Antique Art Deco Old Mine Cut Diamond & Black Onyx Ring - Ruby Lane

Art Deco Diamond Onyx Ring in 14K White Gold – Boylerpf

Vintage Marquise Onyx Ring w/ Diamond Accents 14K Yellow gold

Vintage 14K Gold Mine Cut Diamond Heart Engagement Ring Sz 8.50

Victorian 0.86 CTW Old European Cut Diamond 14 Karat Yellow Gold Belcher Set Solitaire Antique Engagement Ring

1930's Vintage Black Onyx Diamond Ring 14K Yellow Gold

Antique Brown & White Old European-Cut Diamond, 14K Yellow Gold Three – Neil Lane Couture

This satisfying Art Deco ring centers upon a rectangular slab of onyx with an unusual concave oval stretching along the surface like a shallow pool.

Art Deco 14k White Gold Onyx and Old European Cut Diamond Ring

Vintage Art Deco Diamond & Onyx in 14K Yellow Gold

1.87ct Antique Old Mine Cut Diamond Low Profile 10-Prong Ring in 18K R – Anueva Jewelry