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An emerald and diamond ring, set with three step-cut emeralds weighing 0.90, 2.36 and 0.91 carats respectively, within an openwork mount millegrain-set with brilliant-cut diamonds, size N, British hallmarks for platinum

A diamond ring, set with a pear-shaped diamond weighing 0.92 carats, to shoulders set with tapered baguette diamonds, size M, British hallmark for platinum

A Victorian diamond three stone ring, set with three graduated old circular-cut diamonds with diamond pointers (one missing) in platinum and yellow gold, size M 1/2

A diamond solitaire ring, the old circular-cut diamond weighs approximately 1.05cts, set in platinum, size J 1/2

A diamond set platinum ring, set with a circular-cut diamond within a lozenge-shaped border channel-set with princess-cut diamonds, the edges with a millegrain finish, size N, stamped PLAT

A diamond solitaire ring, the rose-cut diamond weighs approximately 1.30cts, claw-set in platinum, size J 1/2

A sapphire and diamond cluster ring, the cushion-shaped sapphire is set within a surround of round brilliant-cut diamonds, with a pear-shaped diamond to each shoulder in platinum, size M 1/2 Accompanied by Gübelin report number 13100294 dated 30 October 2013, stating that the cushion-shaped sapphire weighing 11.31cts is of Sri Lankan (Ceylon) origin, with no indications of heat treatment.

A French sapphire and diamond scroll ring, set with a cushion-shaped orange sapphire, weighing approximately 8.50cts, within scroll shoulders set with onyx and diamonds in carved platinum mount, French assay marks and maker's lozenge J&G, size N The sapphire is of Sri Lankan (Ceylon) origin, with no indications of heat treatment, as per a verbal report from GCS. Lots 1562 - 1574: A private collection of jewellery

A sapphire and diamond three stone ring, set with a circular-cut sapphire and diamond shoulders in platinum, size S

A diamond solitaire ring, set with a central circular-cut diamond weighing approximately 2.05 carats, with baguette-shaped shoulder diamonds in platinum, size K 1/2

An early 20th century diamond, sapphire and emerald ring, of bombé design, set with marquise-shaped diamonds, cabochon emeralds and sapphires in platinum, size P 1/2, partially stamped PLAT

A sapphire and diamond three stone ring, the cushion-shaped sapphire weighing 3.51 carats set within trapeze-cut diamond shoulders in platinum, size N Accompanied by SSEF report no.121517, dated 25th November 2022, stating that the sapphire is of Kashmir origin, with no indications of heat treatment.

A platinum and diamond solitaire ring, early 20th century, set with an old European-cut diamond weighing approximately 0.70 carats, size N1/2, stamped Platinum

A diamond cluster ring, the circular-cut diamond millegrain-set in a geometric stepped mount set with smaller single-cut diamonds in platinum, size M 1/2, stamped 950

An Edwardian opal and diamond cluster ring, the oval-shaped solid black opal is set within a surround of single-cut diamonds in platinum, size O

A diamond and 14ct gold ring, platinum set with five graduated brilliant cut diamonds to a Art Deco style shank, size Q1/2, total gross weight approx 3.5gmsFurther details: good all stones intact, minor wear and tear commensurate with age 

A diamond and platinum solitaire ring, comprising a round brilliant cut diamond approx 0.20ct, six claw setting, size L, total gross weight approx 4gms Further details: good minor wear and tear 

A collection of 9ct gold rings to include a three stone garnet ring, size Q, garnet set serpent ring, size Q1/2, ruby set ring, size N, along with four others set with various stones a/f as stones missing, a 9ct gold band, size O, combined total gross weight approx 22.8gms, along with two 18ct gold rings set with gems, size Q1/2, and an 18ct gold and platinum band, size O, combined total gross weight apprpox 8.5gms (1 bag)Condition report: some with missing stones, wear and tear commensurate with age 

An 18ct gold sapphire and diamond cluster ring, size K, gross weight approx 6.2gms; an 18ct gold and platinum ring, set with three diamond chips, size J gross weight approx 2.5gms; an Edwardian sapphire and diamond 18ct gold ring, size Q1/2, gross weight approx 2.3gmsFurther information: good condition, wear and tear commensurate with age, stones and settings intact. The Edwardian ring there is evidence of glue to the top and underside 

BOODLES: AQUAMARINE AND DIAMOND 'FIREFLY' RING, 2006Set with marquise-cut aquamarines and diamonds, between shoulders set with brilliant-cut diamonds, mounted in platinum, diamonds approx. 1.15cts, signed Boodles, numbered, maker's mark, London hallmark, ring size approx. L, maker's boxFor further information on this lot please visit Bonhams.com

DIAMOND SINGLE-STONE RINGSet with a brilliant-cut diamond, mounted in platinum, diamond approx. 1.00ct, London hallmark, ring size approx. H½For further information on this lot please visit Bonhams.com

DIAMOND SINGLE-STONE RINGSet with a brilliant-cut diamond weighing 1.50 carats, mounted in platinum, maker's mark DOM, European convention mark, partial UK hallmark, ring size approx. OFootnotes:Accompanied by a report by The Gem Testing Laboratory of Great Britain stating that the diamond weighing 1.50cts is G colour, VS2 clarity. Report number 015274, dated 17th November 2005. Please note this report is over 10 years old and may need updating.For further information on this lot please visit Bonhams.com

DIAMOND RING, 1998Set with a princess-cut diamond of yellow tint, within a brilliant-cut diamond surround, mounted in platinum, principal diamond weighing approx. 0.85ct, diamond untested for origin and natural colour, remaining diamonds approx. 0.80ct total, partial London hallmark, ring size approx. I½For further information on this lot please visit Bonhams.com

DIAMOND SINGLE-STONE RINGSet with a cushion-shaped diamond, between bifurcated brilliant-cut diamond-set shoulders, mounted in platinum, maker's mark, London hallmark, ring size approx. OFootnotes:Accompanied by a copy of a report from The Gem Testing Laboratory of Great Britain stating that the diamond weighing 1.99cts is H colour, VS2 clarity. Report number 0016791, dated 14th September 2007. Please note this report is over 10 years old and may require updating.For further information on this lot please visit Bonhams.com

TWO DIAMOND RINGS1st: Set with an oval-cut diamond, 2nd: Set with a quatrefoil of brilliant-cut diamonds, mounted in platinum, 1st: diamond approx. 0.75ct, 2nd: diamonds approx. 1.30cts total, European convention mark, partial UK hallmark, ring sizes approx. N½ and N½ (2)For further information on this lot please visit Bonhams.com

A platinum ring by Tiffany,: signed 'Tiffany & Co', dated 1999 with hallmarks for London, 2005, ring size R, total weight ca. 9.4gms.

An 18 carat gold and platinum diamond ring,: the brilliant cut diamond set into the polished band, stamped 750 with London hallmarks for 2000, stamped Plat, ring size K 1/2.

A platinum ring, mounted with seven diamonds, size J, 7g

An antique 18ct yellow gold and platinum (worn stamp 18ct) ring set with five graduated old cut diamonds, (O.5).

An 18ct gold diamond solitaire ring, brilliant cut, platinum claw set bezel, each shoulder set with three diamond chips, size K, 2.4g; an 18ct gold illusion set three stone diamond ring, size J/K, 2.3g (2)

An 18ct gold, platinum sapphire and diamond cluster ring. The ring set with a central round mixed cut sapphire framed by single cut diamonds. Marked 18ct PLAT tests indicate 18ct gold and platinum. Weight 3.6g Size N.5. Central stone measures approx 7 x 7 x 4.5mm. Surrounding diamonds measure approx 1 x 1mm.

An 18ct gold, diamond and platinum five stone ring. Hallmarked London, sponsors mark FG. Estimated diamond weight 0.05cts. Total weight 3.9g. Size N.5.

An antique 18ct gold diamond and platinum four stone ring. Stamped 18ct. Estimated diamond weight 0.10cts. Total weight 1.8g. Size O.

An Art Deco 18ct gold and diamond ring. The ring having a platinum head set with nine round single cut diamonds. Band marked 18ct & plat. Weight 2.6g. Size R.5.

An 18ct gold, platinum & diamond three stone ring. The ring having a larger central diamond flanked by two slightly smaller diamonds, all being round brilliant cut in a claw setting. On a pinched shank with knife edge shoulders. Marked 18ct & PLAT. Central diamond measures approx 3.5 x 3.5 x 2.2 mm. Weighs approx 2.3 g. Size M.

A 18ct gold & platinum, emerald & diamond crossover ring. The ring set with an emerald cut emerald flanked by two illusion set diamonds in a crossover setting. Stamped 18ct & PLAT. Weight approx 2.9g. Size K.5.

A 1920s Art Deco 18ct gold and platinum panel ring. The ring having a navette shaped head set with three diamond accents. Marked 18ct and plat. Weight 2.1g. Size L.5.

A vintage 18ct gold & diamond ring. The ring having a central claw set round brilliant cut diamond flanked with two accent diamond to the scrolling shoulders all set in platinum on a gold tapered shank. Marked 18ct, tests indicate gold. Central diamond measures approx 3.5 x 3.5 x 2 mm. Weighs approx 2.9 g. Size L.5.

A platinum, sapphire & diamond target cluster ring. The ring set with a central old cut diamond surrounded by rose cut diamonds & mix cut sapphires to a milgrain setting. Principle stone estimated diamond weight 0.50ct. Weighs approx 3.7g. Size M.

An 18ct gold, platinum & diamond solitaire ring. The ring set with an old cut diamond in a partial bezel setting to plain tapering shank. Marked 18ct & PT, sponsor mark B.BS. Estimated diamond weight 0.30ct. Weight approx 2.1g. Size N.

A platinum band ring with three rows of diamonds, approximately 0.25ct, size M.

A platinum sapphire and diamond three stone ring, size L.

A three stone diamond ring, the 18ct yellow gold shank stamped '18ct'; and a five stone diamond ring, the in platinum mount and 18ct yellow gold shank stamped '18ct PLAT', 5.0g gross.

MONTEGRAPPA THE DRAGON FOUNTAIN PEN.Black resin barrel with the shape of a dragon in 975 sterling silver, two red rubies.Limited edition 1179/1912.Nib F, in 925 sterling silver with screw cap.No box.Measurements: 14.20 cm in length, 24.6 mm. in diameter.Made of a beautiful anthracite grey celluloid, both the cap and the barrel, which are covered with solid 925 sterling silver sleeves, carved in relief, in which a menacing dragon meanders. All the parts that are not the mythical animal are cut out, so that through these holes we can appreciate the shine and colour of the celluloid.On the cap, the end of the tail of this scaly being forms the clip and below it, we can see engraved "MONTEGRAPPA"; in the eyes are set two rubies that give it a hypnotic gaze.On the barrel we find a silver button, located at the end of the butt, where the piece number is engraved on the total of the edition; the eyes of the dragon are again dressed by two rubies and on a silver ring, located on the mouthpiece, is engraved "MONTEGRAPPA"; the nib is the usual one of the brand, 18K gold, The nib is the brand's customary 18K gold two-tone platinum nib, except for the decorative ribbing, which retains the colour of the gold.It went on sale in 1995, with a print run of 1912 copies.

VISCONTI" FOUNTAIN PEN, PONTE VECCHIO LIMITED SERIES.Blue resin barrel and sterling silver trimmings.Two-tone 18 Kts gold nib, M-point.Limited edition (118 pieces).No box.Measurements: 14.50 cm length; 22.50 mm diameter.Visconti pen "Ponte Vecchio Challenge" collection. Limited Edition of 118 pieces. Made on the occasion of the Golf Challenge held in Florence in 2006.Visconti is a well known brand of pens, each Visconti fountain pen tells a different story: about art, archaeology, philosophy, etc. These pens are a tribute to culture, no longer a simple writing instrument, but a canvas for new artistic expressions. Visconti uses the highest quality materials and are experts in the use of celluloid, a material widely used in the past for these purposes but which, due to its high cost, is nowadays reserved for high-end products.The body and cap of the pen are made of translucent, blue-tinted acrylic resin with sterling silver trim. The central ring is engraved in bas-relief with the image of the famous Florentine bridge and the upper crown is engraved with the brand's logo.The two-tone, solid 18 Kts. gold-plated nib with platinum mask. Integrated piston loading system. Medium nib. Screw cap closure.

An 18ct gold and platinum three stone diamond ring. The stones in three heart shaped settings. Size I 1/2. 2.59g.

JOSEPH MANTON, LONDON A 15-BORE FLINTLOCK DOUBLE-BARRELLED SPORTING-GUN, serial no. 4918, for 1809, with 30in. barrels, raised top-rib signed 'JOSEPH MANTON, LONDON' (rubbed but legible), the breech-blocks with rectangular platinum poincons originally marked 'JOSEPH MANTON, LONDON' but now one absent, the other partial, flamb� needles engraved to rib-end, fully scroll engraved top-tang inhabited by martial and scientific trophies, flat, slightly curved bevel-edged partially recoloured locks with stepped and clipped tails, refreshed 'JOSEPH MANTON, LONDON' signatures below the rainproof pans, rollers to the frizzen springs, border engraving to the frizzen fronts, Manton style ring-necked cocks, walnut half-stock with traces of chequering to wrist, iron furniture (heavily rubbed) and period worm-tipped ramrod

JOSEPH HARKOM, EDINBURGH A CASED 16-BORE PERCUSSION DOUBLE-BARRELLED SPORTING RIFLE FOR BELTED BALL, serial no. 364, circa 1840, with re-browned damascus 30in. barrels, the broad matted top-rib signed 'JOSEPH HARKOM EDINBURGH', dove-tailed bead fore-sight, rear-sight with five folding leaves, lion's head engraved at breech-end and farsi inscription to top of left hand barrel, breech-blocks with platinum plugs, fully scroll-engraved top-tang, flat bar-action border engraved locks with game scenes of stags and deer, signed 'HARKOM', sliding safes forwards of the scroll-engraved hammers, chequered walnut half-stock with gold shield-shaped escutcheon at wrist, chequered iron heel-plate, trigger-guard engraved en-suite with the locks, chequered pistol-grip tang and original ramrod (taped repair at tip), together with a period brass-cornered oak storage case, brass flush-fitting ring handle to the lid with a brass escutcheon engraved 'MR J.J. ECKFORD, 6TH REGT BENGAL N I', re-compartmented and lined in green baize and including a leather covered powder flask, cap-tin and period cleaning tools, the inner lid bearing a 'Harkom' trade label

18K Yellow Gold & PLATINUM VINTAGE 3 STONE DIAMOND TWIST RING 3.3G SIZE M

18K YELLOW GOLD & PLATINUM BRAVINGTONS VINTAGE 3 STONE RING 2.8G SIZE K

An 18k Yellow Gold and Platinum Diamond Crossover Ring. Size P. 2.88g total weight.

PLATINUM DIMAOND SOLITAIRE RING. 0.50CT. SIZE J. 3.3G.

18K YELLOW GOLD & PLATINUM 5 STONE VINTAGE DIAMOND RING, WITH APPROX 0.15CT DIAMOND, WEIGHT 2.3G, SIZE O

18k Yellow Gold and Platinum 3 stone Diamond ring, size L 0.50cts diamond 2.1g

Platinum 3 stone diamond ring 0.75ct Diamonds Size O 3.3g

Good quality Ladies 18ct Gold Diamond and Opal Platinum set ring, 2.6g total weight. Size L

An early 20th century gold and diamond five stone ring. The slightly graduated old-cut stones approx. 0.51cts total, all rub-over set in platinum on a gold gallery and shank stamped '18ct & PLAT', size R, 2.1 grams gross Condition Report: The diamonds measure 2.7mm, 2.8mm, 3.4mm, 2.8mm & 2.7mm diameter

An early 20th century gold and diamond three stone ring. The graduated old-cut stones approx. 0.44cts total, millegrain set in platinum-flashed gold on a 'D' section shank stamped '18ct Plat', size M, 2.6 grams gross Condition Report: The diamonds measure 4mm x 2.3mm, 3.0 x 1.7mm & 2.9 x 1.8mm

An Art Deco period emerald and diamond cluster ring. Centred with a small early modern round brilliant diamond between small rectangular step-cut emeralds and an eight-cut diamond eight stone surround, all set in platinum-flashed gold unmarked, size O, 2.5 grams gross Condition Report: The emeralds have some very minor surface scratching but no chipping is visible. The gold mount has a small area of damage to piercing which is partially lacking below the diamonds. There is some overall sutface scratching and wear.

An Art Deco gold and diamond five stone ring. The slightly graduated eight-cut stones each grain-set within a platinum-flashed box collet on a 'D' section shank with knife-edge shoulders, stamped '18ct & Pt', size O, 1.5 grams gross Condition Report: Diamonds measure approx. 2.9mm, 2.3mm, 2.4mm. 2.0mm & 1.9mm