We found 46735 price guide item(s) matching your search

American platinum round and baguette cut diamond asymmetric spray marquise shaped ring, circa 1950's, stamped 10% Irid Plat, central diamond approx 0.7 carat Condition Report Overall head size 17mm x 10mm, Approx 6.19gm

Art Deco platinum (tested) emerald cut emerald and graduating baguette cut diamond five stone ring, circa 1920's/30's Condition Report Emerald 7mm x 6mm depth approx 4mm, overall head size = 17mm, small crack to smaller baguette diamond to edge, bright green emerald some internal abrasions and light surface abrasions. The setting needs attention - misshaped and damage. Approx 3.52gm

Platinum emerald cut aquamarine ring with diamond set shoulders, hallmarked Condition Report Approx 7.5gm, size P, aquamarine 15mm x 13mm; depth = approx 7.5mm

A 9ct gold sapphire and white stone heart shaped ring, size O, 2.7g and an 18ct gold platinum illusion set diamond ring as three hearts, size L, 2g (2)

An 18ct gold and platinum set diamond solitaire ring in stepped shoulder setting, size K, 2.2g

An 18ct platinum set solitaire diamond ring, approx 0.5cts, size K

Yellow metal, platinum and solitaire diamond ring, the old-cut stone of approximately 0.2ct, shank stamped 18ct Plat, size L, 2.9g gross approx

Yellow metal, platinum and diamond-set ring, the five stones forming a cross, shank stamped 18 & Pt, size O, 2.8g gross approx

Yellow metal rope-link chain stamped 9k, together with a yellow metal, platinum and solitaire diamond ring, shank stamped 8ct & Plat, size L, 7.9g gross approx (2)

18ct Gold and Platinum Petite 3 Stone Diamond Ring - Illusion Setting. Marked 18ct & Platinum. The Three Diamonds of Good Colour and Clarity. Ring Size - O. Overall Condition Is Excellent Including Setting / Shank. Please Confirm with Photo.

Ruby and Diamond Heart Shape Ring, a heart cut warm red ruby of 2.5cts, set as a solitaire, flanked by baguette cut accent diamonds, the whole in platinum vermeil and silver; size R; perfect for Valentine's Day

Sapphire Solitaire Style Ring, a rich blue sapphire of 3.5cts, oval cut and set between two 'D' cut white topaz, mined from the renowned Golconda diamond mine in India, and totalling 1.25cts; the whole set in platinum vermeil and silver, enhancing the warmth of the sapphire and the sparkle of the topaz; size S

Helenite Platinum Vermeil Dress Ring the central stone measuring approx 4.5 carats flanked by two smaller stones. Ring size O.

Red Garnet Solitaire Style Ring, a 4.25ct oval cut garnet solitaire, accented by two tapered baguettes, followed by two graduated round cut white topaz to each side, totalling a further 1ct; set in platinum vermeil and silver; size S; Garnet is the Birthstone for January

18ct Gold and Platinum Contemporary Designed Superb Quality Diamond Set Dress Ring, The Central Emerald Cut Diamond - Deep Stone Excellent Colour / Clarity. Est Diamond Weight 0.50 pts, Est G - H Colour, VSI Clarity with Six Round Brilliant Cut Diamonds to Sides, Good Colour, Est Diamond 0.12 pts. Ring Size - N. Low Estimate for this Quality. As New Condition In All Aspects.

18ct Gold and Platinum Set Superb Quality and Stunning Diamond Set Dress Ring. The Central Step-cut Diamond of 1.02 cts. Flanked by Two Trillion Cut Diamonds and an Outer Border of 14 Round Brilliant Cut Diamonds. Diamond Weight 1.18 ct. Total Diamond Weight 2.20 cts. Est Colour F - G, Est Clarity VSI, Full Hallmark for 750 - 18 ct. Ring Size W - Large Size. All Aspects of Condition Including Shank and Claw Setting Superb. Please Confirm with Photo.

18ct Gold and Platinum Attractive 3 Stone Diamond Set Ring. The Old Round Brilliant Cut Diamonds of Excellent Sparkle and Colour, Est Top White Colour, Odd Tiny Inclusion to Centre Stone, But Wonderful Colour, Est Diamond Weight 1.15 cts ( 35-45-35 ) Ring Size - M.

Ladies - Platinum Attractive Starburst Design - Diamond Set Ring. Stamped 950 Platinum. Excellent Diamonds of Top Colour and Clarity. Est Diamond Weight 0.30 pts. Ring Size - J. Excellent Condition In All Aspects - Please Confirm with Photo. 4.4 grams.

Victorian Period Stunning Platinum Single stone Diamond Ring - The Cushion Cut Diamond Measures 11mm x 10mm x 3.7mm. Est 2.50 cts, spreads Est 4.50 cts. Est colour I-J. Ring size (L) Lovely antique Diamond ring with a low estimate.

Neon Apatite Cluster Ring, marquise cuts of neon apatite, totalling 2,25cts, splaying outwards from the centre stone in a starburst lozenge shape; the brilliant blue neon apatite being the the most striking and rarest of the apatites, usually seen as accent stones, is here in a full dramatic display, set in platinum vermeil and silver; size Q

Ouro Verde Quartz Three Stone Ring, natural green gold quartz in an 8mm square octagon cut, measuring 7.2cts over three stones, making each one a generous 2.4cts, closely set in a row in platinum vermeil and silver; this variety of quartz, a sparkling, vivid, golden yellow with a hint of green comes from a single mine in Brazil; size S

Art Deco Period - Attractive 18ct Gold and Platinum Diamond and Sapphire Set Dress Ring of Petite Form. Sapphires of Excellent Natural Colour. Ring Size Q - R. All Aspects of Condition Is Excellent.

Antique Period Attractive 18 ct Gold and Platinum Diamond and Sapphire Set Ring - Flowerhead design. Marked 18 ct and Platinum. Diamond of good colour, clarity and sparkle. Ring size (K) all aspect of condition excellent.

Peach Sunstone Solitaire Statement Ring, a 16ct oval cut cabochon of the sunstone, the soft peach reflecting sparkly inner light with every movement, here claw set in a strong but light trellis of platinum vermeil and silver; size S

18ct Gold and Platinum Three Stone Diamond Dress Ring. Ring size R.

Ceylon Blue Coloured Quartz Solitaire Statement Ring, a quatrefoil cut of over 16cts of the rich, twilight toned, blue coloured quartz set in platinum vermeil and silver; a most unusual cut, in a generous size, here delicately accented with three small zircons to each shoulder; size S

Ruby and Zircon Graduated Band Ring, comprising five graduated baguette cut rubies of good and well matched colour, the largest of .85ct, flanked by two of .6ct each with a further .45ct to each end, set in a curve across the finger and framed with a total of .8ct of round cut Cambodian white zircons, enhancing the glow of the rubies; the overall total of 3.75cts of gemstones set in platinum vermeil and silver; size S

18ct Gold and Platinum Attractive Illusion Set Ring. The Two Round Brilliant Cut Diamonds, Clear and Bright with Sparkle. Ring Size - Q. All Aspects of Condition Is Excellent - Please Confirm with Photo.

Platinum Set Nice Quality 3 Stone Diamond and Sapphire Ring of pleasing form, circa 1950's. The central natural sapphire flanked by two modern round brilliant cut diamonds, the sapphire of deep blue colour. Est weight 0.75 points. The brilliant cut modern diamond of excellent colour and clarity

Platinum Stunning Diamond Set Dress Ring, The Central - Cushion Cut Diamond of Excellent Colour / Clarity. Cal Colour - H, Cal Clarity VS2, Weight Cal 2.91 cts, Spreads 6.00 cts est. Measurements 12.74 x 10.64 x 2.85. Ring Size - L. Comes with Anchor Cert Gem Lab. Report No 20043189.

18ct Gold and Platinum Superb Quality - Blue Tanzanite and Diamond Set Cluster Ring. The Oval Faceted Blue Tanzanite of Wonderful Colour. Est Size 3.00 cts, Est Grade AAAA ( Top Grade ) The Round Brilliant Cut Diamonds of Excellent Colour and Clarity. Est G - H Colour and Clarity, VSI Clarity. Est Diamond Weight 1.25 cts. Ring Size - T.

Amethyst, Peridot, Sky Blue Topaz, Citrine and Rhodolite Garnet Statement Ring, 12cts of the gemstones, pear cut and set in four deep layers, graduating from a large circle at the base to a small flower shape to the top, in platinum vermeil and silver; a spectacular ring with perfectly matched gemstones, complimenting each other to great effect; size S

18ct Gold & Platinum Set Nice Quality & Attractive Three Stone Sapphire & Diamond Ring. Circa 1930s, marked 18ct Platinum. The round brilliant cut diamonds of excellent colour and clarity. Est. colour H - I. Est. Clarity VS2 - S11. Diamond weight each stone 0.40pts. Total weight 0.80 pts. The oval shaped natural sapphire est. 1.00ct. Ring size O - P. All aspects of condition excellent. Please confirm with photographs.

9CT YELLOW GOLD AND PLATINUM THREE STONE RING SIZE L WEIGHT 2.3 GRAMS

A diamond single-stone ring, 1986The brilliant-cut diamond within a six-claw setting, mounted in platinum, diamond approx. 2.00cts, partial London hallmark, ring size approx. LFootnotes:Accompanied by a report from AnchorCert stating that the diamond is E colour, VS clarity. Report number 1/23316-001.Please note, in the hard copy of the catalogue the image of this lot is mis-labelled 221

A diamond half eternity ring, by Boodle & Dunthorne, 2001Set to the front with a row of brilliant-cut diamonds, mounted in platinum, diamonds approx. 1.50cts total, maker's mark B&D, London hallmark, ring size approx. O½

A diamond cluster ringSet throughout with brilliant-cut diamonds, mounted in platinum, diamonds approx. 1.50cts total, UK hallmark, European convention mark, millennium mark, ring size approx. P½

A diamond cluster ring, 1999The marquise-cut diamond within a brilliant-cut diamond surround, mounted in platinum, diamonds approx. 2.90cts total, London hallmark, ring size approx. R

An Art Deco emerald and diamond ring, circa 1925Set to the centre with an old brilliant-cut diamond, issuing a radiating design of similarly-cut diamonds and calibré-cut emeralds, between bifurcated shoulders set with old brilliant and single-cut diamonds, mounted in platinum and gold, diamonds approx. 0.70ct total, one emerald deficient and one possible emerald replacement, ring size approx. O (sizing beads)

A platinum diamond ring, centrally claw set with a round, transitional cut diamond, total diamond weight approximately 1ct, in pierced mount, set with six white stones, gross weight approx. 3g Ring size L/M

An Art Deco style platinum and diamond ring, princess cut stones arranged in a rectangle, marked plat. 2.9g

18ct gold and platinum band ring size O 2.5g CONDITION REPORT: 2.4g, good condition, little wear, hallmarked.

Art Deco 18ct white gold platinum set sapphire and diamond ring size I 2.1g

An 18ct yellow gold ring set with circular claw set single stone diamond, size R to/w  an antique four stone diamond ring, 18ct yellow gold and platinum set, size N (2) 

A diamond ring, the central circular brilliant cut diamond with diamond set shoulders, diamond approx 0.4 carats, white metal set, engraved within; a three stone diamond ring set 18ct yellow gold; a platinum wedding band, 2.6g, all size L (3)

A three stone diamond ring, the three graduated diamonds in rub-over setting, 18ct yellow gold and platinum set, size K

An 18ct yellow gold seven-stone platinum set diamond ring, approx 0.50 points, size N, approx 2.8g.

An 18ct gold platinum set solitaire diamond ring, approx. 1.25ct, P2, colour 'O'

Platinum diamond solitaire ring 1.5ct.

a platinum and diamond eternity ringcentering rectangular step-cut diamonds weighing approximately 9.35cts; mounted in platinum; size: 7

a tanzanite and diamond ringcentering an oval-cut tanzanite weighing approximately 14.90cts; mounted in platinum; estimated total diamond weight: 2.20cts; size: 6

A diamond and platinum ringcentering an old European-cut diamond weighing approximately 3.50cts; mounted in platinum; estimated remaining diamond weight: 0.20ct; size: 7 1/2

A SAPPHIRE AND DIAMOND RING mounted in platinum; estimated total diamond weight: 1.40cts; size: 6 1/2

An Art Deco Platinum and Diamond Ringcentering an old mine-cut diamond weighing approximately 1.00ct; mounted in platinum; estimated remaining diamond weight: 0.95ct; size: 5 1/2Footnotes:Property from the Collection of Edward and Mildred Lewis, Los Angeles, CABonhams is honored to offer property from the collection of Hollywood legends Edward and Mildred Lewis during the Spring of 2020. A producer, writer and screenwriter, Edward Lewis is perhaps best known as producer of the blockbuster Universal Pictures production Spartacus, which was nominated for six Academy Awards, six Golden Globe Awards and a BAFTA Award. Directed by Stanley Kubrick, the film's all-star cast included Kirk Douglas, Laurence Olivier, Jean Simmons and Charles Laughton. To write the screenplay, Lewis secretly enlisted Dalton Trumbo, one of the Hollywood Ten who had been blacklisted as part of Senator Joseph McCarthy's House Un-American Activities Committee investigations into communism among members of the entertainment industry. Although Trumbo had written other screenplays under pseudonyms while blacklisted, Spartacus was among the first to break the stigma of the Hollywood Ten, as Lewis insisted on including Trumbo in the film credits. Edward Lewis had produced Spartacus at the suggestion of his wife, Mildred, who was a producer and writer in her own right. Mildred Lewis was largely responsible for bringing a film to life that captured the zeitgeist of 1970s experimentation and defined both the 'dark comedy' and the 'sleeper'. That film was Harold and Maude, written by Colin Higgins, who at the time was the Lewis' pool boy. Higgins introduced the script to Mildred Lewis, who ultimately served as the film's executive producer. Edward and Mildred were partners in both work and life. During their 73 year marriage, they collaborated on numerous film, theater and literary projects. Together, the couple produced the 1982 film Missing, which received four Academy Award nominations, five Golden Globe nominations and seven BAFTA nominations, and shared the Palme d'Or at the Cannes Film Festival. They also co-wrote the ground-breaking 1977 film Brothers.In addition to their work in entertainment, Edward and Mildred were active in civil rights causes and were passionate art collectors. Bonhams is delighted to offer a selection of pieces from the Lewis' collection throughout the coming months.

an Art Deco platinum, amethyst and diamond ring mounted in platinum; size: 6Footnotes:Property from the Collection of Edward and Mildred Lewis, Los Angeles, CABonhams is honored to offer property from the collection of Hollywood legends Edward and Mildred Lewis during the Spring of 2020. A producer, writer and screenwriter, Edward Lewis is perhaps best known as producer of the blockbuster Universal Pictures production Spartacus, which was nominated for six Academy Awards, six Golden Globe Awards and a BAFTA Award. Directed by Stanley Kubrick, the film's all-star cast included Kirk Douglas, Laurence Olivier, Jean Simmons and Charles Laughton. To write the screenplay, Lewis secretly enlisted Dalton Trumbo, one of the Hollywood Ten who had been blacklisted as part of Senator Joseph McCarthy's House Un-American Activities Committee investigations into communism among members of the entertainment industry. Although Trumbo had written other screenplays under pseudonyms while blacklisted, Spartacus was among the first to break the stigma of the Hollywood Ten, as Lewis insisted on including Trumbo in the film credits. Edward Lewis had produced Spartacus at the suggestion of his wife, Mildred, who was a producer and writer in her own right. Mildred Lewis was largely responsible for bringing a film to life that captured the zeitgeist of 1970s experimentation and defined both the 'dark comedy' and the 'sleeper'. That film was Harold and Maude, written by Colin Higgins, who at the time was the Lewis' pool boy. Higgins introduced the script to Mildred Lewis, who ultimately served as the film's executive producer. Edward and Mildred were partners in both work and life. During their 73 year marriage, they collaborated on numerous film, theater and literary projects. Together, the couple produced the 1982 film Missing, which received four Academy Award nominations, five Golden Globe nominations and seven BAFTA nominations, and shared the Palme d'Or at the Cannes Film Festival. They also co-wrote the ground-breaking 1977 film Brothers.In addition to their work in entertainment, Edward and Mildred were active in civil rights causes and were passionate art collectors. Bonhams is delighted to offer a selection of pieces from the Lewis' collection throughout the coming months.

a platinum, ruby and diamond ballerina ringcentering a round brilliant-cut diamond weighing approximately 1.95cts; mounted in platinum; size: 6 1/2

a rubellite and diamond ringcentering an oval-cut rubellite tourmaline weighing approximately 9.90cts; mounted in platinum; size: 7

A gold hinged blonde tortoiseshell cigarette case, marked K12, with applied initials 'A.Y.' tested as approximately 18ct gold and platinum, together with a 9ct gold paste ring, Chester 1908, 1.78g, a silver Scottish agate dirk brooch, Birmingham 1928, a silver thistle brooch, Birmingham 1910, and a quantity of silver and costume jewellery (qty)

A platinum wedding ring, with floral hand engraved decoration, finger size S, together with a platinum link design ring, finger size Q, 8.80g total (2)

Platinum ring set central emerald flanked vertically with six diamonds, surrounded by a halo of emeralds and diamonds