Parsley: Heart-cut Simulated Rainbow Topaz and IOF CZ Infinity Promise Ring Silver, 3221A Features a Heart-cut 5mm 0.5ct Simulated Rainbow Topaz CZ solitaire. A beautiful and elegant choice as a promise, friendship or commitment ring! Ring weighs approx. 2.0 grams. Made with Solid 925 Sterling Silver with protective White Rhodium finish.