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Lot 110

A pair of 1920's harlequin opal and yellow gold single stone earrings, each set to the centre with a single opal displaying a good play of colour, millegrain set with yellow gold scalloped border

Lot 102

A pair of 1950's opal and yellow gold ear clips, of leaf shape, each set to the centre with a single pear shaped collet set opal with good play of colour (2)

Lot 34

THREE PAIRS OF OPAL EARRINGS, set in yellow metal

Lot 77

A MIXED LOT, to include a 9ct watch head, cameo, opal pendant, chains, locket, etc

Lot 195

A 9CT OPAL AND AMETHYST RING, ring size Q, approximate weight 2.8 grams

Lot 169

A HALLMARKED 18CT YELLOW GOLD BOAT RING, having central oval opal flanked by two diamonds and two further opals either side, ring size L1/2

Lot 29

AN 18CT GOLD OPAL RING, ring size M1/2, boxed

Lot 113

A 9CT GENT'S RING, with black stone, ring size O and a 9ct opal and ruby cluster ring, ring size L1/2 (2)

Lot 115

A 9CT OPAL DRESS RING, ring size L

Lot 229

A 9CT OPAL AND SAPPHIRE BRACELET, set with three opals and four sapphires, approximate weight 17.6 grams

Lot 899

GEM STONES. Three boxes of polished semi precious gem stones and further opal in rough 40mm and two jasper and turquoise pendants

Lot 571

9 CT OPAL RING. 9 ct gold opal and diamond ring, size R/S

Lot 604

OPAL EARRINGS & PENDANT. Silver set opal earrings and an opal pendant

Lot 644

14CT GOLD RING. 14ct gold amethyst and opal set ring, 3,7g, size P

Lot 414

A 15ct gold opal brooch, coral ring, etc.

Lot 400

A 9ct gold opal and peridot ring

Lot 39

A mid 20th century opal and diamond ring, the five graduated oval opals (the central stone a doublet) with eight cuts between, above a scrolling gallery mount, the 18 carat gold shank fully hallmarked Edinburgh 1951, finger size K, 6.9gms Condition reportgood solid condition, shank clearly marked and of heavy gauge

Lot 146

A 9 carat gold and opal doublet ring, the rub over set oval doublet 19.3 x 12mm, to bifurcated shoulders, the shank fully hallmarked, finger size N, 4.7gms Condition reportin good overall condition

Lot 119

A black opal and diamond pendant, the oval cabochon opal 7.6mm long, in a surround of brilliants, to a white gold box link chain stamped ‘585’, 7.7gms gross Condition reportopal with chip to the surface

Lot 455

An Edwardian opal, peridot and diamond brooch, the central opal to an openwork border set with peridot and diamonds, 4cm wide Condition Report: One peridot a little lighter than the rest, and one end stone a little lighter also. Unmarked mount. Minor scratches and scuffs. Overall weight approx 8.5gms. Opal approx 5mm in diam. Minor scratches and scuffs to some stones.

Lot 15

A 9ct gold three stone fire opal boat shaped ring, set with pairs of diamond set points, with F Hinds certificate and receipt

Lot 45

A 9ct gold opal square cluster ring, 2.7g

Lot 406

Three vintage brooches and bangles, including a 9ct gold and opal bar brooch, a cameo and a Victorian brooch, together with a set of three paste set bangles (6)

Lot 29

A 9ct gentleman's black opal (doublet) ring

Lot 35

A 14ct black opal cameo

Lot 537

A pair of 9ct gold and opal stud earrings, boxed - Est £25 - £35

Lot 73

GREEN OPAL AND DIAMOND CLUSTER RING. An 18ct yellow gold teardrop shaped green Opal and Diamond ring. The central Opal weighing an estimated 1.03cts surrounded by approximately 0.41cts Diamonds. Size N.

Lot 70

OPAL AND DIAMOND RING An 18ct white gold Diamond and Opal ring. The central oval cabochon Opal weighing an estimated 1.9cts and flanked by three diamonds to each side. The total Diamond weight is estimated at 0.64cts. Size P ½.

Lot 53

OPAL AND DIAMOND PENDANT. A yellow metal (tests as 18ct gold) Opal and Diamond pendant comprising central white Opal surrounded by Diamonds. Total Diamond weight approximately 0.8cts.

Lot 47

MEXICAN FIRE OPAL AND DIAMOND CLUSTER RING. A marked 9ct gold Mexican Fire Opal and Diamond cluster ring. The central orange Fire Opal surrounded by approximately 1ct of old cut Diamonds of varying sizes. Size O.

Lot 69

OPAL AND DIAMOND EARRINGS A pair of 18ct white gold Opal and Diamond earrings with teardrop shaped Opals suspended from smaller circular Opals. The whole surrounded by Diamonds.

Lot 28

A mixed lot to include a 9 carat gold gemset dress ring, sterling silver opal set ring, Mizpah brooch and white metal brooches, etc (6)

Lot 76

A 'Black Opal' and diamond set pendant in 9k gold and a 'Matrix Opal' and diamond yellow gold pendant, weight for both 7.3gmsAccompanying certificate states 8.06ct Matrix Opal and 3.5ct Black Opal (2)

Lot 360

A large Stourbridge vaseline opal glass trumpet vase, circa 1890, ribbed form with flared lip, on wooden foot, 94.5cm high

Lot 70

A collection of opal triplet and yellow metal set jewellery, to include; a hinged bangle, a pendant and chain, a ring, a pair of stud earrings and a pair of drop earrings, stamped '925' (7)

Lot 340

Opal dress pendant necklace stamped 925 Condition Report Click here for further images, condition, auction times & delivery costs

Lot 360

Opal dress ring stamped 925 Condition Report Click here for further images, condition, auction times & delivery costs

Lot 325

Art Deco bar brooch set with black opal tested to 14/15ct Condition Report Click here for further images, condition, auction times & delivery costs

Lot 349

Opal seven stone silver-gilt ring Condition Report Click here for further images, condition, auction times & delivery costs

Lot 303

Pair opal and marcasite drop ear-rings stamped 925 Condition Report Click here for further images, condition, auction times & delivery costs

Lot 419

A single stone opal and white stone ring, the oval opal with two clear stones to each, together with a pair of emerald and diamond cluster earrings and a pair of costume earrings.

Lot 445

A late 19th Century novelty insect brooch, the abdomen set with an opal and the wings with split seed pearls, on gilt metal, 1.5 cm diameter, (a/f), together with a scarab beetle ring

Lot 288

An 18ct Gold five stone Opal ring with Diamond surround, (one Opal missing, another chipped), size L together with an 18ct Gold Sapphire and Diamond three stone ring (Sapphire is damaged), size J

Lot 373

A pair of Gold Garnet and Opal stud earrings and a gilt metal pendant on 9ct Gold chain

Lot 485

A group of six pieces of gem-quality, white-base opal, from Australia, with red, blue, and green fire. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.232-233. 52 grams total, 24-42mm (1 - 1 1/2"). Found Australia; from the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bottley & Co. (1932-1981) and previously J. R. Gregory & Co. (1898-1932); originally James Reynolds Gregory (1858-1898"). This item is part of a historic collection of fossils and minerals which has recently been reviewed by leading geological expert Dr. Ronald Bonewitz. The firm Gregory, Bottley and Lloyd (Gregory's), was acquired by TimeLine Auctions in 2016. London-born James Reynolds Gregory (1832-1899) founded the company, which is the second longest-running gem and fossil dealership in the world. James was educated at Archbishop Tennison's School, and afterward found employment in a jewellery company on Regent Street. In 1858 he established his own business in King William Street. A few years later he moved to ‘very extensive premises’ in Golden Square, Covent Garden. He was one of the best known dealers in London, exhibiting at major commercial shows throughout the world and winning awards for excellence in Paris in 1867, Sydney in 1879 and London in 1862, 1883 and 1884. James primarily bought his stock at auction, from collectors and other dealers, and supplied many major collectors and scientists of his day. He built superb personal collections, a selection going to the British Museum. He wrote many papers and was a member of several learned societies including the Society of Arts. The business became known as J.R. Gregory & Company in 1896, still under James' management with the assistance of his son Albert Gregory (b.1864"). When James died three years later, the business passed to Albert. At the end of the 19th century most London dealers had folded or retired, many selling out to J.R. Gregory & Co. Albert continued by acquiring Russell and Shaw (Est. 1848) in 1925 and Francis H. Butler (Est. 1884) in 1927. Percy Bottley (1904-1980) took over the company in 1931, renaming it Gregory, Bottley & Company with respect to his predecessors. Percy’s company survived the 2nd World War by buying out all of its competitors, including the supplier to Pitt-Rivers, Samuel Henson (Est. 1840) and G.H. Richards (Est. 1897) in 1936. Percy also added many important collections to his stock including those of Rev. F. Holmes in 1940, and the Graves collection in 1943. Following Percy's death in 1981, the business was sold to Brian Lloyd, whereupon it became Gregory, Bottley & Lloyd. Brian had been Sotheby’s main Natural History expert in the 1960s and 1970s, and subsequently traded from Pall Mall. The business continued to thrive, and Brian purchased the Joseph Neeld (1789-1856) collection in 1974 and the historic gold collection of H.S. Gordon, first exhibited at the Empire Exhibition, South Africa in 1936. Brian moved the business to 12-13 Rickett Street in 1982, and to 13 Seagrave Road in 1993. He carried on the company's specialization in historic collections, most recently acquiring that of Robert Ferguson (1767-1840) in 2000. The business moved to Walmer in Kent in 2008, and was acquired by TimeLine in April 2016. Trading History Est. 1858 (59 Frith Street, Soho) 1859 - 1861 (3 King William Street, Strand) 1862 - 1866 (25 Golden Square, Covent Garden) 1866 - 1874 (15 Russell Street, Covent Garden) 1874 - 1895 (88 Charlotte Street, Fitzroy Square) 1896 - 1906 (1 Kelso Place, Kensington) 1907 - 1926 (139 Fulham Road, Chelsea) 1926 - 1981 (30 (Old) Church Street, Chelsea) 1982 - 1993 (12-13 Rickett Street, Fulham) 1993 - 2007 (13 Seagrave Road, Fulham) 2008 - 2015 (59 Liverpool Road, Walmer, Kent) 2016 - (363 Main Road, Harwich, Essex) Extremely fine condition. Minor surface crazing. [No Reserve]

Lot 358

A matrix nodule with sections of precious opal, with internal structure diffracting light in primarily purples, blues and greens, in white card tray. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.232-233. 20 grams, 38mm (1 3/4"). From Australia; from the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bottley & Co. (1932-1981) and previously J. R. Gregory & Co. (1898-1932); originally James Reynolds Gregory (1858-1898"). This item is part of a historic collection of fossils and minerals which has recently been reviewed by leading geological expert Dr. Ronald Bonewitz. The firm Gregory, Bottley and Lloyd (Gregory's), was acquired by TimeLine Auctions in 2016. London-born James Reynolds Gregory (1832-1899) founded the company, which is the second longest-running gem and fossil dealership in the world. James was educated at Archbishop Tennison's School, and afterward found employment in a jewellery company on Regent Street. In 1858 he established his own business in King William Street. A few years later he moved to ‘very extensive premises’ in Golden Square, Covent Garden. He was one of the best known dealers in London, exhibiting at major commercial shows throughout the world and winning awards for excellence in Paris in 1867, Sydney in 1879 and London in 1862, 1883 and 1884. James primarily bought his stock at auction, from collectors and other dealers, and supplied many major collectors and scientists of his day. He built superb personal collections, a selection going to the British Museum. He wrote many papers and was a member of several learned societies including the Society of Arts. The business became known as J.R. Gregory & Company in 1896, still under James' management with the assistance of his son Albert Gregory (b.1864"). When James died three years later, the business passed to Albert. At the end of the 19th century most London dealers had folded or retired, many selling out to J.R. Gregory & Co. Albert continued by acquiring Russell and Shaw (Est. 1848) in 1925 and Francis H. Butler (Est. 1884) in 1927. Percy Bottley (1904-1980) took over the company in 1931, renaming it Gregory, Bottley & Company with respect to his predecessors. Percy’s company survived the 2nd World War by buying out all of its competitors, including the supplier to Pitt-Rivers, Samuel Henson (Est. 1840) and G.H. Richards (Est. 1897) in 1936. Percy also added many important collections to his stock including those of Rev. F. Holmes in 1940, and the Graves collection in 1943. Following Percy's death in 1981, the business was sold to Brian Lloyd, whereupon it became Gregory, Bottley & Lloyd. Brian had been Sotheby’s main Natural History expert in the 1960s and 1970s, and subsequently traded from Pall Mall. The business continued to thrive, and Brian purchased the Joseph Neeld (1789-1856) collection in 1974 and the historic gold collection of H.S. Gordon, first exhibited at the Empire Exhibition, South Africa in 1936. Brian moved the business to 12-13 Rickett Street in 1982, and to 13 Seagrave Road in 1993. He carried on the company's specialization in historic collections, most recently acquiring that of Robert Ferguson (1767-1840) in 2000. The business moved to Walmer in Kent in 2008, and was acquired by TimeLine in April 2016. Trading History Est. 1858 (59 Frith Street, Soho) 1859 - 1861 (3 King William Street, Strand) 1862 - 1866 (25 Golden Square, Covent Garden) 1866 - 1874 (15 Russell Street, Covent Garden) 1874 - 1895 (88 Charlotte Street, Fitzroy Square) 1896 - 1906 (1 Kelso Place, Kensington) 1907 - 1926 (139 Fulham Road, Chelsea) 1926 - 1981 (30 (Old) Church Street, Chelsea) 1982 - 1993 (12-13 Rickett Street, Fulham) 1993 - 2007 (13 Seagrave Road, Fulham) 2008 - 2016 (59 Liverpool Road, Walmer, Kent) 2016 - (363 Main Road, Harwich, Essex) Extremely fine condition. Very bright 'fire'. [No Reserve]

Lot 312

A gem quality opal with attached matrix, with colours diffracting primarily in red and green, in old white card tray. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.232-233 10 grams, 35mm (1 1/2"). From Australia; from the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bottley & Co. (1932-1981) and previously J. R. Gregory & Co. (1898-1932); originally James Reynolds Gregory (1858-1898"). This item is part of a historic collection of fossils and minerals which has recently been reviewed by leading geological expert Dr. Ronald Bonewitz. The firm Gregory, Bottley and Lloyd (Gregory's), was acquired by TimeLine Auctions in 2016. London-born James Reynolds Gregory (1832-1899) founded the company, which is the second longest-running gem and fossil dealership in the world. James was educated at Archbishop Tennison's School, and afterward found employment in a jewellery company on Regent Street. In 1858 he established his own business in King William Street. A few years later he moved to ‘very extensive premises’ in Golden Square, Covent Garden. He was one of the best known dealers in London, exhibiting at major commercial shows throughout the world and winning awards for excellence in Paris in 1867, Sydney in 1879 and London in 1862, 1883 and 1884. James primarily bought his stock at auction, from collectors and other dealers, and supplied many major collectors and scientists of his day. He built superb personal collections, a selection going to the British Museum. He wrote many papers and was a member of several learned societies including the Society of Arts. The business became known as J.R. Gregory & Company in 1896, still under James' management with the assistance of his son Albert Gregory (b.1864"). When James died three years later, the business passed to Albert. At the end of the 19th century most London dealers had folded or retired, many selling out to J.R. Gregory & Co. Albert continued by acquiring Russell and Shaw (Est. 1848) in 1925 and Francis H. Butler (Est. 1884) in 1927. Percy Bottley (1904-1980) took over the company in 1931, renaming it Gregory, Bottley & Company with respect to his predecessors. Percy’s company survived the 2nd World War by buying out all of its competitors, including the supplier to Pitt-Rivers, Samuel Henson (Est. 1840) and G.H. Richards (Est. 1897) in 1936. Percy also added many important collections to his stock including those of Rev. F. Holmes in 1940, and the Graves collection in 1943. Following Percy's death in 1981, the business was sold to Brian Lloyd, whereupon it became Gregory, Bottley & Lloyd. Brian had been Sotheby’s main Natural History expert in the 1960s and 1970s, and subsequently traded from Pall Mall. The business continued to thrive, and Brian purchased the Joseph Neeld (1789-1856) collection in 1974 and the historic gold collection of H.S. Gordon, first exhibited at the Empire Exhibition, South Africa in 1936. Brian moved the business to 12-13 Rickett Street in 1982, and to 13 Seagrave Road in 1993. He carried on the company's specialization in historic collections, most recently acquiring that of Robert Ferguson (1767-1840) in 2000. The business moved to Walmer in Kent in 2008, and was acquired by TimeLine in April 2016. Trading History Est. 1858 (59 Frith Street, Soho) 1859 - 1861 (3 King William Street, Strand) 1862 - 1866 (25 Golden Square, Covent Garden) 1866 - 1874 (15 Russell Street, Covent Garden) 1874 - 1895 (88 Charlotte Street, Fitzroy Square) 1896 - 1906 (1 Kelso Place, Kensington) 1907 - 1926 (139 Fulham Road, Chelsea) 1926 - 1981 (30 (Old) Church Street, Chelsea) 1982 - 1993 (12-13 Rickett Street, Fulham) 1993 - 2007 (13 Seagrave Road, Fulham) 2008 - 2016 (59 Liverpool Road, Walmer, Kent) 2016 - (363 Main Road, Harwich, Essex) Extremely fine condition. [No Reserve]

Lot 90

Cretaceous Period, 145-65 million years BP. A group of two A-grade Cleoniceras sp. ammonites with opal lustre. 376 grams total, 92-97mm (3 1/2 - 3 3/4"). From Madagascar; from the collection of the palaeontologist R. Gledhill; collected between 1930 and 1960. Fine condition. [2, No Reserve]

Lot 811

Boosey & Hawkes Regent clarinet, no. 359226, case; together with two cased metal flutes, one stamped Opal, the other Bach series 1001 (3)

Lot 95

A 9ct yellow gold ring set with a centre oval cut opal surrounded by cubic zirconias (R).

Lot 098

A 9ct opal and diamond ring, finger size K

Lot 343

A pair of gold and opal ear studs and a number of other ear studs, earrings, etc

Lot 397

AN OPAL AND DIAMOND CLUSTER RING in 18ct white gold, Birmingham 1976, 8.5g, size M ++In reasonably good condition, the opal of reasonably good polish and not noticeably scratched or cracked, hardly any wear to shank

Lot 423

A Cameo ring, earrings and brooches, 9ct ring, and opal ring etc.

Lot 484

A 9ct gold bracelet set with ten opals, a 9ct gold necklace with opal pendant etc.

Lot 551

A 9ct gold set opal pendant, with 9ct gold thin chain necklet, gross weight 14.1g.

Lot 35

An 18ct gold fancy charm bracelet set with cabochon gemstones, 63.3g. CONDITION REPORT: The jug charm is 9ct gold, the chain marked 750 and the loops to each other charms apart from the jug 750. Cabochon stones of turquoise, lapis lazuli, opal and others.

Lot 57

An 18ct gold opal and diamond cluster ring, size L.

Lot 95

An 18ct gold opal and diamond ring, size O.

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