Corum: A Lady's 18 Carat Gold Wristwatch, signed Corum, circa 1985, manual wound lever movement, dark grey Corum logo monogram dial, square shaped case, synthetic sapphire set crown, back cover secured by four screws and numbered 27A300P47 314092, convention gold mark 18kt750, Corum 18 carat gold integral bracelet24mm wideCase and bracelet with surface scratches, case sides with very minor dents, dial surface with very minor staining in parts which is visible under an eyeglass, hand setting correctly and winding smoothly, movement in going order. Total watch weight 57.4g. Bracelet length including watch case is 18cm long approximately.
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A Sapphire and Diamond Cluster Ringthe oval cut sapphire within an openwork border of round brilliant cut diamonds, in white claw settings, to a yellow tapered shoulder plain polished shank, total estimated diamond weight 0.20 carat approximately finger size M1/2The ring is accompanied by a Sapphire Report from The Gem & Pearl Laboratory, London, report number 13500, dated December 6, 2016, stating that the sapphire weighs 3.74 carat, of natural origin with no evidence of heat treatment observed, with the origin opinion Sri Lanka.The ring is in good condition. It bears no hallmark nor stamp but in our opinion would test as gold. The head of the cluster measures 16.89mm x 14.29mm approximately. The approximate qualities of the diamonds are; colour H/I/J, clarity VS2/SI1/SI2. Gross weight 4.9 grams. CR made 06.06.23.
A Sapphire and Diamond Snake Ringthe snake head and tail set throughout with round brilliant cut diamonds and a pear shaped sapphire, in yellow pavé and rubbed over settings, total estimated diamond weight 0.80 carat approximatelyfinger size L1/2The ring is in good condition. It bears no hallmark nor stamp but in our opinion would test as gold. The sapphire measures 5.80mm x 4.29mm x 3.11mm approximately. The approximate qualities of the diamonds are; colour I/J/K, clarity SI1/SI2/I1. Gross weight 5.2 grams. CR made 25.05.23.
A Continental Diamond and Sapphire-Set Gold Vesta-Case, With AV or VA Cypher Mark, Possibly Austro-Hungarian, First Half 20th Century oblong and with incised lines, the front with a plain diagonal band set with an old-cut diamond and two cabochon sapphires, the thumbpiece with a further cabochon sapphire, with suspension loop40mm high, gross weight 13dwt, 20.6grTests as just under 16ct (15.79)
Single family ownership for 125 years. A good 19th century mahogany floor standing regulator with enclosed jar mercury pendulumCharles Frodsham, LondonThe concave cornice over a running dentil moulding, canted front angles and moulded side panels, the long door framed in lacquered brass and flanked by similar angles to a panelled base and apron. The 12 inch silvered dial signed across the centre Charles Frodsham, London, with outer Arabic minute track enclosing the subsidiary dials for running seconds with Observatory marks and hours, with three original blued steel hands. The substantial movement with shaped plates united by five heavy knopped pillars screwed to the front plate, with maintaining power and wheels of six crossings out throughout to a deadbeat escapement with sapphire jewelled pallets, (crutch broken, but the fork present, with fine screw beat adjustment) to an enclosed jar mercury pendulum suspended from a substantial brass bracket mounted to the thick oak backboard and reading against a silvered beat scale, the small brass weight on a pulley of six crossings out. Together with two case keys and a crank winder. 1.98m (6ft 6ins) highFootnotes:Provenance:Single family ownership since the late 19th century, together with a receipt made to the vendors forebears from Robt. Haswell & Sons, Clerkenwell, Watch & Clockmakers & Jewellers, dated November 1898 for the sum of £40-9-6.Saleroom notices:Please note that this lot's crank key has an ivory handle, and as such, is subjected to Cites regulations.This lot is subject to the following lot symbols: TP Y ФTP For auctions held in Scotland: Lots will be moved to an offsite storage location (Constantine, Constantine House, North Caldeen Road, Coatbridge ML5 4EF, Scotland, UK) and will only be available for collection from this location at the date stated in the catalogue. Please refer to the catalogue for further information.For all other auctions: Lots will be moved to an offsite storage location (Cadogan Tate, Auction House Services, 241 Acton Lane, London NW10 7NP, UK) and will only be available for collection from this location at the date stated in the catalogue. Please note transfer and storage charges will apply to any lots not collected after 14 calendar days from the auction date.Y Subject to CITES regulations when exporting items outside of the UK, see clause 13.Ф This lot contains or is made of ivory and cannot be imported into the USA or any country within the EU.For further information on this lot please visit Bonhams.com
Georges Lenfant, a fine Art Deco seed pearl, sapphire and diamond bracelet, 1920s, centring on a circular-cut sapphire within a millegrain-bordered geometric surround set with circular- and single-cut diamonds and calibré-cut sapphires, to a seed pearl bracelet, the clasp set with rose-cut diamonds, length 16.3cm, French assay mark for platinum, French maker's mark for Georges Lenfant
Cusi, an Art Deco sapphire ring, 1930s, set with a cushion-shaped sapphire, to a plain platinum mount, size S1/2, Italian maker's mark for Cusi, stamped PTAccompanied by Cisgem report no.20837, stating that the sapphire measuring approximately 9.35 x 11.75 x 4.85mm is natural, with no indications of heat treatment
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137088 item(s)/page