This is a lifetime piece. We have 3 sizes: small, medium & large. Small is 1" (1.5" w bale) weighs 9.5 grams (fits chains up to 3mm thick) 0.5ct moissanite. Medium is 1.5" (2.25" w bale) & weighs 22.5 grams (fits chains up to 5mm thick) 1ct moissanite. Large is 2.5" (3" w bale) & weighs 50 grams (fits chains up to 10mm thick) 2.1ct moissanite.
Look just like real diamonds and cant tell difference without a microscope. Will NEVER TARNISH OR CHANGE COLOR. Let us know if you have any questions.