The 18k Gold PVD Coated Stainless Steel Bar Birthstone Necklace showcases a sparkling cubic zirconia birthstone in the hue of your desired birth month, as well as a plain bar for any stamping or engraving customizations. Overall, this accessory offers the perfect touch of personalization that will great and pair with any outfit. Great for custom engraved jewelry and creating your own personalized engraved necklace designs! ✦ Strong, durable, and don't easily break. ✦ 316L Surgical Grade Stainless Steel will never fade, tarnish or turn skin green, even when worn in the ocean or pool. ✦ Hypoallergenic, so don't worry about any breakouts or rashes! ✦ A great alternative to .925 Sterling Silver. Approx. Weight: 6 grams Approx. Chain Length(Inches): 18" Approx. Thickness: 2mm Approx. Bar Dimensions(mm): 32mm x 5mm Approx. Bar Dimensions(Inches): 1.26" x 0.20" Approx. Engravable Dimension(mm): 24mm x 5mm Approx. Engravable Dimensions(inches): 0.94" x 0.20"