This is an over-sized cocktail ring in sterling silver, featuring its stunning emerald cut CZ center in blue topaz. The cubic zirconia stone in the center is 18mm by 13mm (19.33 carat weight) which is beautifully set on four prongs allowing maximum exposure from top to bottom. It is also surrounded by pave set CZs giving the ring that glamorous look. This case includes one piece per size from 5 through 10.