An Edwardian diamond, cultured pearl, sapphire and platinum brooch/pendant the filigree, articulated brooch of medal motif, set throughout with European and rose-cut diamonds, accented by cultured and seed pearls, further set with calibré-cut sapphires.
Edwardian diamond and pink tourmaline pendant on chain, the central round mixed-cut pink tourmaline estimated to weigh approximately 1 carat, in claw setting within an Art Nouveau open-work foliate scroll design set with old cut diamonds with a further oval mixed-cut tourmaline estimated to weigh approximately 1.25 carats, suspended from a knife-bar and diamond link, on a platinum trace chain.
An art nouveau enamel and diamond-set pendant necklace, by Riker Brothers, circa 1910 The blue and green plique-à-jour enamel oval plaque, overlaid by a textured water lily with an old brilliant-cut diamond accent, within an interlaced textured surround, to a belcher-link chain
An early 20th century peridot and diamond brooch/pendant, circa 1900 The step-cut peridot within an openwork single-cut diamond surround of foliate and scroll design suspending a pear-shaped peridot drop, with diamond-set suspension loop to a fine trace-link chain, mounted in silver and gold, diamonds approx. 0.80ct. total, pendant length 5.2cm., original fitted case
An aquamarine, diamond, cultured pearl and plique-à-jour enamel pendant with 18 karat gold long chain with English hallmarks; pendant mounted in 18 karat gold and silver; pendant length: 2 1/4in.; chain length: 30in. Age unknown. Art Nouveau or in the style of Art Nouveau.
A Egyptian revival plique-à-jour enamel and amazonite scarab pendant/brooch, circa 1920, with modern fourteen karat gold chain carved amazonite scarab flanked to either side with stylized peacocks, each with an outstretched wing and suspending an amazonite drop; mounted in silver.