her unbelievable smile will light up with this magnificent blue topaz and diamond pendant. a gorgeous trillion cut blue topaz in prong set is complemented with 6 accented single cut diamonds elegantly channel set in luminous 10 karat white gold and suspended on a fashionable Rope Chain 0.40 MM in 18 Inches with Spring Lock. the total diamond weight is 1/20 ctw and blue topaz measures 8x8 mm.