Superb Art Deco riviera station bracelet by J.B. Caldwell, America, circa 1925, impeccably crafted in platinum/iridium (.900 plat, .100 irid) with high-polish finish, geometric engraved sides, and crisp millegrain detailing throughout. Set with 18 channel-set French faceted “scissors cut” blue sapphires (5 x 3 x 2.5mm; approx. 6.78 ctw) and 20 millegrain flush-set round brilliant diamonds totaling approx. 1.80 ctw (F color, VS2 clarity). Fitted with a concealed push box clasp, hinged rectangular safety, and a safety chain with spring lock. Weight 17.70g; length 6.75" (17.1cm); width 4mm. Stamped with J.B. Caldwell maker’s mark, platinum marks, serial numbers, and signed “J.B.C&CO. K6414”. Very good conditions. All our diamonds and colored gemstones are naturally earth-mined. Any synthetic (lab-grown) stones will be clearly indicated in the description. Upon Request, Auction House may provide an appraisal. This will carry an additional cost. Appraisals are made by our in house GIA certified Gemologist.