Click image to Enlarge Technibond Gemstone Link Necklace Metal Condition Finish Avg. Weight Gemstones Width Length Clasp Retail Price Sterling Silver 925 (14K Yellow Gold Clad) Brand New Polished 18.00 grams Pink Quartz, Amethyst, Silver Pearl 12mm = 1/2" - width of the largest gemstone in the middle 18" Lobster Clasp $449.99 Technibond jewelry is crafted from .925 sterling silver with a 40-mils-thick outside layer of 14K yellow gold.  Introducing your newest go-to necklace. Get acquainted with the versatile pop of color that's destined to become the star of your jewelry box. Perfect for the contemporary female who appreciates elegance and who wants her jewelry to complement her own personal style.