Diamond, 18k Yellow Gold, Platinum Necklace. Featuring one round brilliant-cut diamond weighing approximately 0.94 ct., set in a platinum six prong mounting, suspended from an 18k yellow gold chain with floral motifs, completed by a tongue and groove clasp with figure eight safety chain, forming a two stand 16 1/2 inch necklace with drape motif. {Gross Weight: 15.3 dwts} Provenance: From a private San Francisco Bay Area estate.