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An 18 Carat Gold Diamond Solitaire Ring, an emerald-cut diamond in a white four claw setting to a yellow tapered shoulder plain polished shank, estimated diamond weight 0.83 carat approximately, finger size L1/2 The ring is in good condition. It is hallmarked with sponsor's mark 'HM', Birmingham. It is also stamped 'Pt' and it is possible that the setting is platinum. The diamond measures; 6.16mm x 4.51mm depth unobtainable. The approximate qualities of the diamond are; colour G/H, clarity VS2/SI1. Gross weight 3.0 grams. CR made 31st March 2015

A Mid 20th Century Black Opal and Diamond Cluster Ring, the pear shaped cabochon black opal within a border of round brilliant cut diamonds in white claw settings, to a pointed shoulder plain polished shank, total estimated diamond weight 1.00 carat approximately, finger size K1/2 The ring is in good condition. The opal shows mainly green and blue colour, to the front of the stone. The shank is stamped '18CT' and 'PLAT' and in our opinion it would test as a platinum setting on a gold shank. The approximate qualities of the diamonds are; colour G/H/I, clarity SI2/I1/I2. Gross weight 6.2 grams. CR made 15th June 2015

A Platinum Princess Cut Diamond Solitaire Ring, the diamond in a four claw setting to a tapered shoulder plain polished shank, estimated diamond weight 2.00 carat approximately, finger size M The ring is in good condition. It is hallmarked with sponsor's mark 'PKJ', Sheffield. The diamond measures 6.62mm x 6.22mm x 5.35mm. The approximate qualities of the diamond are; colour M/N, clarity VS1/VS2. Gross weight 5.8 grams. CR made 4th June 2015

A Diamond Three Stone Ring, the round brilliant cut diamonds in white claw settings, to lined shoulders on a plain polished shank, total estimated diamond weight 1.00 carat approximately, finger size N The ring is in good condition. It is stamped 'PLAT' and in our opinion it would test as platinum. The diamonds measure; 3.96mm x 4.02mm x 2.25mm = 0.21ct, 5.43mm x 5.38mm x 3.03mm = 0.53ct, and 4.21mm x 4.20mm x 2.49mm = 0.26ct. The approximate qualities of the diamonds are; colour H/I/J, clarity I1/I2/I3. Gross weight 2.6 grams. CR made 15th May 2015

A Platinum Diamond 'Firefly' Ring, by Boodle & Dunthorne, set with six marquise cut diamonds in a spray formation with a central void, the shoulders inset with round brilliant cut diamonds, on a plain polished shank, total estimated diamond weight 1.20 carat approximately, finger size O The ring is in good condition. It has some minor scuffs and scratches, but these could be polished out. It is hallmarked with sponsor's mark 'B&D', London, 2005. The approximate qualities of the diamonds are; colour G/H/I, clarity SI1/SI2. Gross weight 6.8 grams. CR made 27th April 2015

A Platinum Diamond Five Stone Ring, the uniform round brilliant cut diamonds in white claw settings, to a plain polished shank, total estimated diamond weight 1.35 carat approximately, finger size N1/2 The ring is in nearly new condition. It is hallmarked with sponsor's mark 'DOM', Birmingham. The approximate qualities of the diamonds are; colour H/I/J, clarity SI1/SI2. Gross weight 7.6 grams. CR made 31st March 2015

A Platinum Diamond Solitaire Ring, the round brilliant cut diamond in a four claw setting, to a tapered shoulder plain polished shank, estimated diamond weight 2.00 carat approximately, finger size M The ring is in good condition. It is hallmarked with sponsor's mark 'PKJ', Sheffield. The diamond measures 7.84mm x 7.83mm x 5.10mm. The approximate qualities of the diamonds are; colour M/N, clarity VS1/VS2. Gross weight 5.4 grams. CR made 4th June 2015

An Emerald and Diamond Cluster Ring, an emerald-cut emerald within a border of round brilliant cut diamonds in white claw settings, to a tapered shoulder plain polished shank, total estimated diamond weight 1.35 carat approximately, finger size O1/2 The ring was valued for insurance purposes in 2001 at £4450. The ring is in good condition. It is stamped '18CT' and 'PLAT', and in our opinion it would test as a platinum setting on a gold shank. The emerald measures: 8.61mm x 5.78mm x 4.39mm. The approximate qualities of the diamonds are; colour H/I/J, clarity SI1/SI2/I1. Gross weight 5.2 grams. CR made 19th May 2015

An Early 20th Century Diamond Twist Ring, a round brilliant cut diamond in a white claw setting to twist shoulders inset with rose cut diamonds on a plain polished shank, principal diamond estimated to weigh 1.50 carat approximately, finger size J1/2 The ring was valued for insurance in March 2015 at £8,600. The ring is in good condition. It bears no hallmark, nor stamp, but in our opinion it would test as platinum. The diamond measures; 7.21mm x 7.33mm x 4.59mm. The approximate qualities of the diamonds are; colour J/K, clarity SI2/I1. Gross weight 3.2 grams. CR made 29th May 2015

An Early 20th Century Diamond Three Stone Ring, the graduated old brilliant cut diamonds in white claw settings to a tapered shoulder plain polished shank, total estimated diamond weight 1.60 carat approximately, finger size M 1/2. . The ring is in good condition. Some of the claws may require attention in the near future. The setting shows minor signs of wear. The Shank is stamped 'Plat' and in our opinion would test as platinum. The diamonds measure 5.01mm x4.99mm x 2.95 mm = 0.44ct, 6.14mm x 6.14mm x 3.29mm = 0.75ct and 5.01mm x 4.96mm x 2.88mm = 0.43ct. The approximate qualities of the diamond are colour H/I/J, clarity I2/ I3. CR made 9th june 2015.

An Art Deco Diamond Navette Cluster Ring, graduated old cut diamonds vertically set with pairs of rose cut diamond accents between each, to an outer border of old cut diamonds, in white claw and millegrain settings, to decorative trifurcated shoulders on a plain polished shank, total estimated diamond weight 2.20 carat approximately, finger size O This was vlaued for insurance purposes in 2012 at £7,760. The ring is in good condition. The shank shows some signs of wear, and looks like it has been sized. It bears no hallmark, nor stamps, but in our opinion it would test as platinum. The approximate qualities of the diamonds are; colour I/J/K, clarity SI2/I1/I2. Gross weight 3.8 grams. CR made 15th June 2015

A Sapphire and Diamond Cluster Ring-dant, the oval mixed cut sapphire within a border of round brilliant cut diamonds and an outer border of baguette cut diamonds, in white claw settings, on a plain polished shank, total estimated diamond weight 2.75 carat approximately, finger size M, removable from the shank for use as a pendant, measures 2.2cm by 3.2cm The ring-dant is in good condition. The shank is stamped 'PLATINUM' and the side of the pendant loop '14K'. The ring is also stamped 'RING_DANT ®' and the pendant loop 'PALAIS PATENTED'. Sapphire measures: 13.24mm x 10.04mm x 10.53mm and is believed to be approximately 13ct. The approximate qualities of the diamonds are; colour I/J/K, clarity SI1/SI2/I1. Gross weight (as ring) 19.4 grams. CR made 3rd June 2015

A Diamond Three Stone Ring, the round brilliant cut diamonds in white claw settings, on a tapered shoulder plain polished shank, total estimated diamond weight 2.15 carat approximately, finger size L1/2 The ring is in good condition. It is stamped 'PLAT' and '18CT' and in our opinion it would test as a platinum setting on a gold shank. The diamonds measure; 5.79mm x 5.78mm x 3.48mm = 0.70ct, 5.97mm x 5.99mm x 3.47mm = 0.75ct, and 5.81mm x 5.81mm x 3.48mm = 0.71ct. The approximate qualities; colour J/K/L, clarity SI1/SI2. Gross weight 4.2 grams. CR made 14th May 2015

A Platinum Diamond Solitaire Ring, the Asscher cut diamond in a four claw setting, to a tapered shoulder plain polished shank, finger size P1/2 The ring is accompanied by a GIA report, stating the diamond weight as 1.00 carat, colour E, clarity VVS2 The ring is in good condition. The shank bears some minor surface scuffs and scratches, but these could be polished out. It is hallmarked with sponsor's mark 'DOM', Birmingham. Gross weight 5.2 grams. CR made 15th May 2015

A Diamond Solitaire Ring, circa 1930, the round brilliant cut diamond in a white eight claw setting, to bar shoulders on a plain polished shank, diamond weight 3.80 carat approximately, finger size P The ring is in good condition. The shank is stamped 'PLAT' and in our opinion it would test as platinum. The diamond measures 10.44mm x 10.26mm x 5.83mm. The approximate qualities of the diamond are; colour I/J, clarity SI1/SI2. Gross weight 4.0 grams. CR made 4th March 2015

A Diamond Ring, circa 1920, the emerald-cut central diamond in a white split claw setting, with a pair of graduated baguette cut diamonds on each side in rubbed over settings, to a plain polished shank, principal diamond estimated to weigh 3.20 carat approximately, finger size R The ring was valued for insurance purposes in March 2015 at £32,500. The ring is in good condition. The shank is stamped 'PLAT' and in our opinion it would test as platinum. The principal diamond measures; 8.63mm x 7.72mm x 5.99mm. The approximate qualities of the diamond are; colour N/O, clarity SI1/SI2. The approximate qualities of the baguette cut diamonds are; caratweight 0.25, colour I/J, clarity SI2/I1. Gross weight 5.2 grams. CR made 29th May 2015

A platinum diamond solitaire ring, set with a central oval cut diamond, approx. 0.50ct, with raised metal crescent setting to either side, hallmarked Birmingham 2003, ring size Q, weight approx. 4.8g.

A platinum ring set with pink sapphire and diamond, rub over set with a cushion cut pink sapphire measuring approx. 9x9mm, approx. 3.78ct, with two pear cut diamonds set either side, approx. 0.79ct total, hallmarked Birmingham, size L, total weight approx. 7g.

An 18ct yellow gold diamond three stone ring, illusion set with three old cut diamonds graduated in size in a platinum setting, approx. 1ct total, stamped 18ct PLAT, ring size K½, weight approx. 3g.

A lot to include an 18ct yellow gold diamond ring, set with five eight-cut diamonds set into a platinum head, stamped 18ct PLAT, ring size K (ring body not circular), an 18ct yellow gold diamond solitaire ring, set with a central old cut diamond in a platinum head with tapered shoulders, stamped 18ct PLAT, ring size L, a 22ct yellow gold wedding band, width approx. 2mm, hallmark rubbed, ring size M, total weight approx. 4.9g, (3).

A platinum diamond full hoop eternity ring, channel set with baguette cut diamonds, hallmarked Edinburgh 2000 and stamped PT950, ring size O½, total weight approx. 7.2g.

A collection of jewellery, costume jewellery etc, including a ruby and diamond cluster ring set in platinum and gold, a gold signet ring mounted with a carnelian, gold feather brooch set with diamonds and coloured stones, a gold curb link charm bracelet mounted with assorted charms. 42g in total.

A diamond six stone ring (one diamond missing) the graduated round brilliant-cut diamonds are set in platinum and gold. Broken shank.

A diamond solitaire ring, the round circular-cut diamond is set in platinum. Size P 1/2.

A diamond cluster ring, set with ten circular cut diamonds in platinum and gold. Size K 1/2.

A diamond solitaire ring, the old circular cut diamond is set in platinum and gold and weighs approximately 1.30cts. Size N 1/2.

A sapphire and diamond cluster ring, the square-shaped sapphire is set in a surround of circular-cut diamonds in white gold and platinum. Size M.

A sapphire and diamond cluster ring, the circular cut sapphire is millegrain set within a surround of ten smaller circular cut diamonds in platinum and gold. Size Q.

A diamond three stone ring, the three circular cut diamonds are set in platinum and gold. Size K 1/2.

An early 20th century topaz, ruby and diamond ring by Mrs Newman. The oval-shaped topaz is set with four small circular-cut rubies and with graduated circular-cut diamonds set to the shoulders. White gold and platinum. Signed. Size R 1/2.

An early 20th century zircon and diamond cluster ring, the orange/brown cushion-shaped zircon is set within a surround of old-cut diamonds in platinum and gold. French control marks. Size N.

A two stone diamond cross-over ring, the round brilliant-cut diamonds weigh approximately 3.20cts in total and are set in white gold and platinum with smaller shoulder diamonds.

A pearl and diamond cluster ring, the natural pearl is set within a circular surround of single-cut diamonds in platinum. Size K. Accompanied by report number 5775-820 dated 22nd October 2014 from GCS, London stating that the grey pearl measures 9.8mm diameter and is a natural saltwater pearl.

A sapphire and diamond cluster ring, the oval-shaped sapphire is set within a surround of twelve old circular-cut diamonds with smaller diamonds set to the shoulders in gold and platinum. Size R.

An early 20th century opal and diamond ring, the oval-shaped solid black opal is set in platinum with circular-cut and baguette-shaped shoulder diamonds. Size N.

An Edwardian pink topaz and diamond set plaque ring, the oval shaped topaz set with six small diamonds in platinum and gold. Size N 1/2.

An early 20th century sapphire and diamond bombe-shaped cluster ring, millegrain set with old circular cut diamonds and graduated calibre-cut sapphires in platinum. Size O.

An Edwardian zircon and diamond ring, the circular cut blue zircon is set with twelve circular-cut shoulder diamonds in platinum and white gold.

A gold and zircon and diamond set ring, the circular cut zircon is millegrain set with four small circular cut diamonds to each shoulder, in platinum and gold. Size M.

An Edwardian sapphire and two row diamond cluster ring, the slightly oval-shaped sapphire is set within two rows of circular-cut diamonds in platinum with scroll engraved basket mount. Size M 1/2.

A sapphire and diamond full circle eternity ring, centred with square-shaped sapphires set within borders of circular-cut diamonds in platinum.

A diamond solitaire ring, the cushion-shaped diamond weighs approximately 2.35cts and is set in platinum and gold with smaller diamonds set to the shoulders. Size R 1/2.

A diamond cluster ring, the centre old circular-cut diamond is set within a surround of millegrain-set smaller diamonds in platinum and gold. Size Q.

A diamond solitaire ring, the round brilliant-cut diamond weighs approximately 3.50cts and is set with two baguette-shaped shoulder diamonds in platinum.

A circular cut diamond solitaire ring, the diamond weighs approximately 5.10cts. Set in platinum. Size M. Box by Ogden.

A diamond cluster ring, the old circular-cut diamond weighs approximately 2.90cts and is set within a surround of scrolling baguette-shaped diamonds in platinum. Size N.

A DIAMOND THREE STONE RING set with three graduated brilliant-cut diamonds, in 18ct. gold and platinum. Size M.

AN EMERALD AND DIAMOND THREE STONE RING set with an emerald weighing approximately 2.08 carats with a brilliant-cut diamond set to each shoulder, in platinum. Size L.

AN EMERALD AND DIAMOND CLUSTER RING the rectangular-shaped emerald is set within a surround of old brilliant-cut diamonds, in 18ct. white gold and platinum. Size L.

A DIAMOND SOLITAIRE RING set with a circular-cut diamond in 18ct. gold and platinum. Size P.

AN AMETHYST AND DIAMOND RING the oval-shaped amethyst is set with two small diamonds to each shoulder, in gold and platinum. Size M.

A RUBY AND DIAMOND RING set with a square-shaped ruby and two pear-shaped rubies within a surround of circular-cut diamonds, in 18ct. gold and platinum. Size O.

A DIAMOND FIVE STONE RING set with five graduated circular-cut diamonds, in 18ct. gold and platinum. Size P.

A DIAMOND THREE STONE RING set with three circular-cut diamonds in 18ct. gold and platinum. Size P.

A SAPPHIRE AND DIAMOND CLUSTER RING the rectangular-shaped sapphire is set within a surround of six baguette-cut diamonds and six circular-cut diamonds, in 18ct. gold and platinum. Size L.

A DIAMOND SOLITAIRE RING the circular-cut diamond is set with two small diamonds to each shoulder, in platinum. Size P 1/2.

A SAPPHIRE AND DIAMOND THREE STONE RING the rectangular-shaped sapphire is set with two circular-cut diamonds, in platinum. Size I.

Lady's Round Cut Diamond and Platinum Eternity Band. Diamonds E-F Color, VS Clarity. Unsigned. Good Condition or Better. Ring Size 7-1/2. Approx. Weight: 2.6 Pennyweights. Shipping $26.00

Lady's Heart Shape Sapphire, Diamond and Platinum Ring. Sapphire with Vivid Saturation of Color. Signed PT900. Good Condition or Better. Ring Size 6-3/4. Approx. Weight: 5.7 Pennyweights. Shipping $28.00

A diamond cluster ring, marked 18 platinum, finger size O