Created in 18 karat yellow gold Blue topaz 16 carats approx. Diamonds 0.20 carat approx. 18 inch necklace with loops at 16th and 17th inch Lobster clasp Crafted with 18 karat yellow gold, this necklace features a captivating blue topaz that weighs approximately 16 carats and a scattering of diamonds with a total estimated weight of 0.20 carats. Strung onto an 18-inch chain with loops positioned at the 16th and 17th inch, it is fastened with a lobster clasp. About the Designers ~ Dharme