Sterling Silver Diamond Twist Pendant Necklace (1/10 cttw), 18″Swirls of decadence diamond stones create the infinity pendant design on the Sterling Silver Diamond Infinity Pendant Necklace. The double-helix pendant shape is crafted out of 925 sterling silver and hangs 1.18-inches in length from a classic 18-inch rolo chain. Three layers of swirls are filled with prong-set white diamond stones along the front of the pendant. The stones reveal I-J color and I3 clarity, making up 1/10 cttw. This pendant fastens with a lobster-claw clasp that allows for easy on and off.