CUSTOM LAPIS SIDE STONE/PAVE ENGAGEMENT RING 333-1 Available in carat weights from 0.75 carats total weight to 3.00+ carats total weight. All rings can me made to accomodate a flush-fit wedding band. Available in white-gold, yellow-gold, rose-gold and platinum. When working with Sevan at A.S.T. you’ll be viewing a collection of loose diamonds in your parameters and budget. After selecting your center diamond, the Sevan master jewelers will custom-make the setting especially for you and for your selected diamond. Any desired changes can be made to this setting.