At Ross-Simons, we recognize the style power of versatile classics. Impressive gemstones can come at a nice price! Here, a sizable 12x10mm rectangular cushion-cut black onyx shows off its bold beauty from a simple band of 18kt yellow gold over sterling silver. 1/2" wide. Black onyx ring. Each Ross-Simons item arrives in a fine jewelry presentation box. Shop Ross-Simons jewelry risk-free as all items include a 30-day, 100% money-back guarantee.Stone InformationGem Type 1 - OnyxStone Cut 1 - Good-CutStone Color 1 - BlackStone Clarity 1 - BlackStone Shape 1 - Rectangular-ShapeStone Creation Method 1 - NaturalStone Treatment Method 1 - Dyed, Heat-TreatedStone Weight 1 - 0 CaratsNumber Of Stones 1 - 1