Yellow Gold Blue Topaz and Diamond Pendant Necklace Chain. This pendant is set with an Oval natural Blue Topaz in the center, eighteen Round Blue Topaz and twenty-four Round Brilliant Diamonds. The center Blue Topaz measures 8 X 6 mm and weighs 1 1/2 carats. The small round Blue Topaz amount to a total weight of 3/4 carat. The diamonds in this pendant are H color, I clarity and weighs .15 carat. This pendant and chain are both 10K Yellow gold and weigh a total of 2.8 grams. The pendant measures 15 X 13 mm without the bail. This necklace will be accompanied by an appraisal written by a GIA Certified Diamond Grader with the retail replacement value of $1,475.00. I will ship this necklace promptly in a beautiful gift box.