This Simon G. ring is available in either 18k gold or platinum. Pictured here in all white, ring is also available in two-tone yellow/white gold with fancy canary yellow diamonds, or two-tone rose/white gold with fancy pink diamonds. Total diamond weight in the ring is 0.05 carats. We are a certified Antwerp Diamond Importer and would be happy to provide you with options for the center stone should you desire. In most cases, Simon G. rings must be made to order. Please allow 4-6 weeks.