Beautiful fine-jewelry natural blue sapphire and diamond pendant necklace crafted in solid 18K white gold. The pendant is signed “750 CHD,” attributed to Cherie Dori, a fine-jewelry maker known for 18K gold, diamond and colored gemstone pieces. The accompanying chain is also stamped 750/ 18K. Details: • Center stone is a natural, earth-mined oval blue sapphire, measuring approximately 7 × 5 × 3 mm. Based on mounted measurements and standard weight-estimation formulas for corundum, estimated weight is approximately 0.60–0.70 ct, with ~0.65 ct being the best estimate. Stone has not been removed from the mounting, so carat weight is approximate. • Approx 30 prong-set natural round brilliant diamonds, measuring approximately 1mm each • One additional bezel-set natural round brilliant diamond, approximately 1.5mm • Estimated combined diamond weight approximately 0.16–0.17ctw • Diamonds are natural/earth-mined, consistent with the circa-2007 purchase/manufacture timeframe. • Worn only a handful of times and stored carefully, since. Metal: Solid 18K white gold Hallmarks: Pendant stamped 750 CHD; chain stamped 750/18K Total necklace weight: Approximately 3.677g, including gemstones Condition: Very good pre-owned condition Beautiful two-part design, with an oval blue sapphire surrounded by a diamond halo and a smaller diamond-set upper element featuring a bezel-set center diamond. Sapphire shows a lovely medium blue in natural light. A lovely September birthstone gift.