Every color is your color when you add this iridescent lab-created opal set to your repertoire. The necklace, earrings, and ring each feature a cushion-cut lab-created opal and shimmering white lab-created sapphire accents. Sterling silver 6. 0 x 7. 0mm cushion-cut lab-created opals round white lab-created sapphires 16. 0- to 18. 0-inch adjustable rolo chain; lobster claw clasp friction earring backs ring is available in size 7 only