Clyde Duneier CID Fine 10K White Gold Diamond & Tanzanite Drop Pendant Necklace Earrings. This is a gorgeous 10K White Gold, Diamond and Tanzanite set. All pieces are marked “CID” and “10K” The earrings have 10K gold butterfly backs. The necklace chain is 18 and everything together weighs 1.9 grams. The pendant is 20mm long and the earrings are 17mm long each. Thank you for checking. We are listing several wonderful collectibles. Please check our other listings. We describe as best as we can and take as many photos as possible. All photos are of the actual item and are essential part of the description. Many of our items are vintage and pre-owned and may have some wear. We will be more than happy to answer your inquiries.