A belle époque opal and diamond necklace, circa Designed as a garland of millegrain-set rose-cut diamonds, with an oval cabochon opal to the centre, each knifewire wreath graduated in size and suspending a cabochon opal drop, on a fine trace-link chain.
New Jersey An Art Nouveau gold and opal pendant [necklace] Durand & Co. bezel-set with an opal cabochon within a scrolling mount with floral motifs suspending a drop and completed by fancy-link chain maker's mark.
AN ART NOUVEAU DIAMOND, ENAMEL & PEARL BROOCH. The central translucent enamel stylised lotus leaf with applied old brilliant & rose-cut diamond spray and rose-cut diamond edging, supported by twin rose-cut diamond scrolls, suspending a single pearl, circa
An opal doublet and diamond necklace The tapering front of floral and foliate design pavé-set with single-cut diamonds and oval opal doublet highlights, to a barrel-shaped back-chain. Diamonds, Opals and the color blue, very nice.