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Lot 10
Large Vintage K. Goldschmidt Jewelers Pear Shape Opal, Approx. 5.0 Carat Round Brilliant Cut Diamond and 14 Karat White Gold Brooch. Opal with very good play of multi color. Opal measures 47mm x 34mm x 9mm. Brooch measures 2-1/4" x 1-3/4". Approx.. Weight: 41.7 grams. Shipping $30.00 (estimate $15000-$20000)
Lot 7
Stunning Approx. 250.0 Carat Cabochon Opal, 12.0 Carat Round Brilliant Cut Diamond and 18 Karat Yellow Gold Necklace. Opals with good play of multi color. Diamonds H color, VS1 clarity. Stamped 18K. Very good condition. Measures 17" L, 2-1/4" drop. Approx. weight: 106.1 grams. Shipping $36.00 (estimate $25000-$35000)
Lot 170
An Arts & Crafts opal, ruby and enamel pendant necklace, designed as a pierced filigree work diaper with a central oval black opal, and a round cut ruby at each of the cardinal points with a petal edge surround of apple green and peacock green enamel, suspended from a double chain beneath a horizontal bar composed of a smaller similar opal feature and two further ruby and enamel flowers, and in turn suspending a short chain with yet smaller oval opal termination, to a fine belcher link backchain with ring and bar clasp; length of pendant 8.6cm, length of necklace around the neck 52cm; gold tooled red calf case inscribed 'MH, 28.4.23'
Lot 175
A black opal doublet brooch in the form of a tree, the realistically modelled and textured branch or tree set with seven fruits or leaves in the form of oval black opal doublets, claw set on solid backs, unmarked yellow precious metal appears to be 9ct gold with an 18ct gold wash; width 4.8cm, cased
Lot 179
An opal and diamond ring together with an opal bar brooch, the ring with three graduated oval cabochon opals spaced by pairs of rose cut diamonds to a scrolling gallery and carved shoulders, plain shank size L, stamped '18ct'; the brooch a knife-edge bar set at intervals with five graduated oval cabochon opals, yellow precious metal stamped '15', length 4.9cm (2)
Lot 80
An antique opal and diamond brooch and a modern Australian opal brooch, the first a knife-edge bar brooch set to the centre with an oval cabochon opal in a heart-shaped surround with ribbon bow surmount all set with rose cut diamonds, unmarked yellow precious metal, length 4.2cm, in period fitted case; the second designed as the Southern Cross constellation, with five oval opal cabochons as terminations representing the stars, on knife-edge bars, length 4.3cm, yellow precious metal with stamp unclear; both test for 14-15ct gold (2)
Lot 90
A large single stone Australian opal ring, the oval shallow cabochon opal, measuring 9.2 x 6.5 x 5.0mm, abraded but showing a rainbow play of colour, six claw set to a plain linear gallery and band, size approximately M, yellow precious metal stamped '18ct' and 'Aust' within the outline of the continent
Lot 91
A diamond and opal set pendant/brooch, set with various old cut diamonds in scroll crest design, the higher tier set with row of three old cut diamonds, of varying size, in order from top to bottom, approx 0.25cts, approx 0.75cts, the bottom stone replacement with a diamond chip, surrounded by various diamonds to upper tier, with a bow design drop, the bow set with three round brilliant diamonds approx 0.14cts each, and set with tiny diamonds, with a diamond and opal drop, set with three diamonds, sized from left to right, approx 0.21cts, approx 0.11cts, and approx 0.22cts, with an oval opal approx 12mm x 9.2mm x 4.2mm (opal AF), in a yellow and white metal setting, unmarked. The drop section appears to be a later addition. 5.5cm wide x 6cm high.
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