Vintage Unmarked 22-24k Black (Jet?) Stone Ring With Uncut Diamonds

This elegant vintage 22-24k gold ring features a striking black stone surrounded by raw uncut diamonds, perfect for adding a touch of sophistication to any outfit. Its timeless design makes it a versatile accessory for any occasion. this piece is unmarked but tested 22-24k see photo. I am unsure of the stone. I think its jet? size 9.5 10.01g diamons tested 💎