Beautifully-detailed gold onyx diamond ring. Chunky Old European Cut diamond bezel set in 18k white gold. The rest of the ring is fashioned from 14k gold. Fabulous filigree gallery and shoulders. The ring is a warm white gold. Meaning, I believe it is white gold alloy that has yellowed over time. It could also be a purposeful very light yellow gold. Size 3.75 - 4 *Diamond: 2.7mm 0.07ct SI1-I2 G-H Onyx: 7.24 mm x 5.64 mm Weight: 2.1g Very good antique condition. No breaks in the filigree. Stones Elegant Black Ring With Single Diamond, Art Deco 14k Gold Jewelry With Center Stone, Exquisite Bezel Set Jewelry For Anniversary, Exquisite Jewelry With Bezel Setting For Anniversary, Exquisite Diamond Rings With Bezel Setting, Art Deco Bezel Set Ring, Black Diamond Rings With Bezel Setting, Classic Black Ring With Single Diamond, Black Ring With Single Diamond In Fine Jewelry Style