Amethyst & Diamond Gold Ring No54A Qty: 1 2 3 4 5 6 7 8 9 10 Price £410.00 9ct GOLD AMETHYST & DIAMOND RING. Wiggle design purple amethyst & diamond ring in 9ct yellow gold. The stones are very neatly claw-set. The ring measures size L 1/2 Birthstone - Amethyst for February Birthstone - Diamond for April Diamond