1990's Vintage Diamond Blue Topaz 14 Karat White Gold Radiating Floral Pendant Necklace art nouveau signature of Roberto Coin and

signature of Roberto Coin and stamped 18K

With millegrain edge and orange blossom motif fully around bottom half of shank

Octagonal charm depicting a highly rendered image of St

With a profile comprised of a pierced heart motif accented by bead set round brilliant cut diamonds

With rounded shoulders and pierced gallery depicting a radiating sunburst motif

1990's Vintage Diamond Blue Topaz 14 Karat White Gold Radiating Floral Pendant Necklace art nouveau signature of Roberto Coin andPendant designed as a circular flower with a pav diamond center weighing approximately 0. 20 carat; eye clean and white Surrounded by marquise mixed cut topaz as dimensional radiating petals, each prong set at an angle Transparent and vibrantly blue in color, very well matched Accompanied by a white gold spiga chain completed by a spring ring clasp Both for 14 karat gold with differing maker's marks Circa: 1990s Length: 18 1 4 inches Pendant measures: