Rare Rainbow Lipped Baroque Pearl Pendant Set in 14K Gold with Small Accent Diamond. Rainbow lipped Black Pearls come from the Gulf of California in Mexico. These rare pearls have a striking iridescent nacre. Marked 585 and 14K on inside of Clasp. All items shown against ruler or in hand or both in one picture to help you judge size. Measures approximately 1 3/8 inches long, 5/8 inch wide and ¼ inch thick. Weighs approximately 3.6 grams. Condition: Nice vintage condition as pictured. No chips or cracks. Please see all the pictures as they are part of the description.