MARQUISE COLLECTION: The SHAY Diamond Halo Marquise Clip Drop Necklace. Details: 18K Gold: approx 13.70gr White Diamond: approx 2.676ct Adjustable length: 13.5 - 16.5in Width: 5mm Available in Rose, Yellow, White & Black Gold Natural, untreated gemstones CONTACT us to further customize Product Number: SN527 Not sure of sizing? See our chart HERE. All products are made to order within 4 - 6 weeks. All GBP & EUR pricing includes duties & taxes. We offer complimentary International shipping and 2 day shipping within the US. For estimated delivery lead times, please see our shipping guide in the footer. LIVE CHAT with one of our team now if you have further questions or require an urgent delivery. All of our stones are natural and untreated which may result in slight variances in color, shape, and size resulting in beautiful one of a kind gems.