Retro Pery platinum and diamond watchfeaturing 145 round brilliant baguette and marquise cut diamonds 6.20 cts. approximate white dial with gold hour indicators and marked ''Pery''. The Swiss 17 jewel movement numbered ''76945'' the case stamped ''10% irid plat''. 26.0 grams. 6.5''L Circa - Mid 20th C.
A cabochon emerald and diamond set ring, claw set with the oval cabochon emerald at the centre, in a surround of circular cut diamonds and within a border of baguette diamonds, in a sugar loaf design, detailed 10% IRID PLAT, numbered 7926, ring size M, with a box. Illustrated
Jabel solitaire diamond and platinum ring 1.94ct round brilliant-cut diamond color E-F clarity VS1 mounted in platinum setting marked: Jabel E.W.F. 10% irid/plat. ring size 5 3/4 Provenance: Estate of Eleanor Winn Foxworth Kingstree South Carolina. Other Notes: Accompanied by EGL Certificate #US 59180701D.
LADY'S HAMILTON PLATINUM AND DIAMOND WRIST WATCH. 38 single cut diamonds, combined app. wt.: 0.94 cts., set throughout barrel shaped case and end terminals. Black cord bracelet attached.
The diamonds range in size from 1.7mm to 2.4mm, are VS in clarity and F-H in color. Stamped inside the case back "10% IRID Plat". Stamped on the movement "Hamilton 17j, 750, 708484A". Appears to be in working order.
An Art Deco Ladies' Platinum and Diamonds Ring ca.1920 A bypass style with hand engraving accenting the paisley shaped shoulders which wrap around to form the bypass. Cast platinum mounting weighs apprx. 7.19 gm as finished piece and stamped "10% IRID. PLAT" inside the shank. The center of the bypass contains two head settings each with four heavy style prongs securing a diamond. One is Mine Cut Diamond measures apprx. 5.40-5.50 x 3.42 mm weighs apprx. 0.62 cts. clarity VS2 color H-I-J. The second is European Cut Diamond measures apprx. 6.90-7.06 x 4.24 mm weighs apprx. 1.26-1.3 cts. clarity apprx. VS1 color H-I-J. Size apprx. 8-1/2. Estimated replacement value $9 928.
Platinum and 2.97 ct. (GIA) diamond ringfeaturing a round brilliant cut diamond 2.97 cts. G color SI1 clarity flanked by a pair of tapered baguette diamonds .60 cts. approximate total in a classic platinum mount. Stamped ''10% Irid Plat''. Accompanied by GIA report #1146953433. 4.4 grams. Size 7.5 Circa - Mid 20th C.
BALLERINA STYLE GARNET AND DIAMOND RING Emerald cut garnet approx. 17 x 14 x 9.8 mm, approx weight 24.88 carats appearing slightly included, orangish-brownish-red, medium dark in tone, strongly saturated., thirty-six (36) tapered baquette cut diamonds range in size from approx. 5.5 x 2.5, 1.5mm to approx. 5 x 2.3 to 1.5mm, weighing approx. 6.84 carats appears to be VVS clarity range, F to G in color, inside stamped "IRID PLAT" -
JEWELRY: PLATINUM EDWARDIAN DIAMOND RING, OBLONG, FILIGREE EDWARDIAN MOUNTING IS STAMPED: "10% IRID PLAT", PLATINUM, CENTER SET WITH...JEWELRY: Platinum Edwardian Diamond Ring, oblong, filigree Edwardian mounting is stamped: "10% Irid Plat", platinum, center set with one old European cut diamond, approximately 0.38 ct., H/VS1 and six old European cut diamonds approximate total weight 0.50 ct, sides set with one calibre cut blue sapphires. [Total weight: 7.5 grams, 4.8 DWT]
EDWARDIAN AUSTRALIAN BLACK OPAL PLATINUM BRACELET
Seven oval black opal cabochons, 21.50 cts. TW by formula, predominately blue-green play-of-color with some orange fire, in millegrained and reticulated links. Finding marked Irid-Plat, no maker mark apparent. 7 3/4". 11.5 dwt. Probable gem source: Lightning Ridge. Companion to lots 2535 and 2537.
IRID PLATINUM 11.82 CT AQUAMARINE RING SIZE 2.25IRID Platinum 11.82 ct Aquamarine cocktail pinky ring with a marquise shaped 25.4mm 11.82 ct aquamarine stone. Ring Size: 2.25. Stamped 10% IRID PLAT Weight: 11 grams. .
Vintage Platinum and Diamond Ring oval shaped ring with central round faceted fancy light yellow diamond estimated 1.87 carats, VVS, surrounded by 24 round brilliant diamonds estimated total weight 3.25 carats, VS-SI, G-I, stamped “10%Irid.Plat, 9164”, size 4-3/4. 8.1 grams, with appraisal.
CHROME DIOPSIDE, DIAMOND AND PLATINUM RING, with a row of channel set diamonds set on each side of two round-cut chrome diopside together weighing approximately 1.24 cttw. The ring is marked "10% IRID PLAT". Ring size: 5-1/4.
A Collection of Platinum and Diamond "Seagull" Brooches, Tiffany & Co., 11.60 dwts. A Collection of Platinum and Diamond "Seagull" Brooches, Tiffany & Co.,consisting of two brooches containing 54 round brilliant cut diamonds weighing approximately 1.60 carats total, one brooch containing 43 round brilliant and single cut diamonds weighing approximately 1.25 carats total, and one brooch containing 25 round brilliant and single cut diamonds weighing approximately 0.75 carat total. Large brooch stamp: TIFFANY&CO PLAT.Large brooch stamp: TIFFANY&CO (obscured)ID.PLAT.Medium brooch stamp: TIFFANY&CO IRID.PLAT.Small brooch stamp: TIFFANY&CO PLAT.IRID.11.60 dwts.
Art Deco platinum minimum 15ct. carved sapphire cabochon and diamond ring. Believed to be a natural corundum sapphire, 19.5 x 10.5 x 9.1mm. Contains two shield cut and baguette diamonds. Marked 2033x9597 IRID PLAT. 7.1 dwt Size 8
A Vintage Platinum, Sapphire and Diamond Ring Platinum mounting conformed to the marquis shape sapphire cabochon of amazing Ceylon blue color, and set with fourteen round brilliant cut diamonds. The shank is stamped "10%Irid PLat." Ring size approx. 7. Weight approx. 4.8 gm.
An Art Deco Platinum and Diamond Ring containing one old European cut diamond weighing approximately 0.75 carat total and 12 round single cut diamonds weighing approximately 0.60 carat total. Stamp: IRID PLAT. 2.20 dwts.
An Art Deco Platinum and Diamond Bracelet Walton & Co. containing four old European cut diamonds weighing approximately 3.35 carats total numerous old European cut diamonds weighing approximately 4.75 carats total and eight baguette cut diamonds weighing approximately 0.64 carat total in an intricate handmade link setting with filigree and millegrain detail hand engraved foliate motif gallery. Stamp: 10% IRID PLAT WALTON. 16.90 dwts.
IRID PLATINUM 1.21CT F-G VS DIAMOND RING, SIZE 5.7Iridium platinum ring having a centered 1.21ct (Color:F-G/Clarity:VS) round brilliant cut diamond with 0.25ctw baguette diamond accents. Ring size 5.75. Stamped 10%IRID PLAT. Approx. weight 4.3 grams.
Platinum, Diamond & Sapphire Bracelet
Stamped 10% irid. Plat. Bead set with twenty round brilliant cut diamonds; approx. 4.50 ctw; avg. dia. 3.9 mm; avg. clarity VS; estimated color G-H. Channel set with twenty, square step cut, blue natural sapphires; approx. 8.0 ctw; avg. length & width, 4.1mm by 4.2mm; avg. clarity, MI; color, deep slightly violetish blue. 26.6 grams incl. stones.
A Platinum and Diamond Ring containing one round transitional brilliant cut diamond weighing approximately 1.00 carat and four round brilliant cut diamonds weighing approximately 0.28 carat total. Stamp: 10% IRID PLAT. 3.25 dwts.
Sale 433 Lot 542
A Platinum, 14 Karat White Gold and Diamond Ring, containing one octagonal step cut diamond weighing approximately 1.60 carats and six tapered baguette diamonds weighing approximately 0.66 carat total. Stamp: 10% IRID PLAT. Stamp: 14K. 5.90 dwts.
*A Platinum and Diamond Spray Ring containing 12 round brilliant cut diamonds weighing approximately 1.35 carats total and 13 marquise cut diamonds weighing approximately 0.95 carat total in a v shape design. Stamp: 10% IRID PLAT. 8.50 dwts.
An Art Deco Platinum and Diamond Ring containing 15 old European and round single cut diamonds weighing approximately 0.40 carat total within a hand engraved openwork setting. Stamp: IRID PLAT. 3.50 dwts.
A Platinum Aquamarine and Diamond Ring containing one octagonal step cut aquamarine weighing approximately 23.00 carats and six square step cut diamonds weighing approximately 1.20 carats total. Stamp: 10% IRID PLAT. 9.00 dwts.
An Art Deco Star Ruby and Diamond Ring containing one oval cabochon cut star ruby weighing approximately 4.75 carats and six old European cut diamonds weighing approximately 0.28 carat total weight. Stamp: 10% IRID PLAT. 4.00 dwts.
DIAMOND AND PLATINUM RING. Second quarter-20th century. Classic setting of emerald cut (9.4 x 5.7 mm) center stone with tapered baguette accents. Marked 10% Irid. Plat. Ring size 4 3/4. 4.6og. Grading in mounting estimated VS J color.
Hamilton Platinum Diamond Watch: 18. 5mm case, case and band with approx. 111 single cut and round brilliant diamonds estimated total weight 2. 75cts. , G-J, VS to SI, case stamped "10%IRID. PLAT, B2450" and with maker's mark, movement marked "Hamilton, 17 jewels", clasp stamped "10%IRID. PLAT", 6-1/2 in. lg. , 41. 1 grams, Provenance: Private Collection Condition keeping time when inspected, very heavy wear
Oscar Heyman emerald and diamond ring the central emerald cut emerald 3.53 cts. approximate strong bluish green strong saturation even color distribution surrounded by 15 pear shaped diamonds 2.52 cts. approximate total G-H color VS2 average clarity mounted in platinum. Stamped ''Irid.Plat.'' 10.3 grams. Size 6 Circa - Late 20th C.
A Platinum and Diamond Bypass Ring containing three old European cut diamonds weighing approximately 1.20 carats total and 18 round brilliant cut diamonds weighing approximately 0.46 carat total. Stamp: 10%IRID.PLAT 4.60 dwts.
A Platinum and Diamond Ring containing one octagonal step cut diamond weighing approximately 2.45 carats and two tapered baguette cut diamonds weighing approximately 0.49 carat total. Stamp: 10% IRID PLAT. Accompanied by a Gemological Institute of America diamond grading certificate number 8502725 dated September 30 1994 stating Color: F Clarity: VS2 Polish: Very Good Symmetry: Good Fluorescence: Medium Blue. 3.30 dwts.
Tiffany & Co. Man's Signet Ring, Platinum & 18KT, with mirror stamp of three-masted ship and scroll with saying in Latin in reverse, "Tutus in Undis," ( "safe on the waves");. Underside is stamped, "Tiffany & Co / 18K / Irid. Plat."Minor surface scratches from use.Ring size: 9.5.16g.
18K YELLOW GOLD, PLATINUM AND DIAMOND RING. Three round full cut diamonds set with platinum prongs. Combined wt.: 0.30 cts. Size 3 3/4.
The diamonds are VS in clarity and F-H in color. Stamped inside the shank is "IRID Plat, 18K". Weighs 7 grams.
VINTAGE HAMILTON IRID PLATINUM DIAMOND WATCH 14MMVintage Hamilton iridium platinum and diamond 14mm watch with a black cord/10K gold filled band. Has safety chain. Stamped 10%IRID PLAT on case, 1/20 10K GF on band. Approx. 2.25in. inner diameter.
A Platinum and Diamond Band containing five round brilliant cut diamonds weighing approximately 0.95 carat total. Stamp: 10% IRID. PLAT. 3.20 dwts.
689. A Delicate Platinum Diamond Band
A platinum band feature a row of fifteen channel set single cut diamonds. Total diamond weight approx. 0.075 carat. The shank is inscribed "Joe to Rac" and stamped "Irid plat." Overall weight approx. 2. Ring size approx. 5.
100/200 Sold: $172.50
Platinum Diamond Solitaire Ring center round brilliant diamond 4.0 carats, N, VS2, with GIA report 2185035479, Nov. 16., 2016, accented with two straight baguettes estimated total weight 0.60 carat, stamped "10%Irid.Plat", size 5-1/2, 5.6 grams.
A Platinum Tanzanite and Diamond Ring Tiffany & Co. containing one oval tanzanite weighing approximately 13.97 carats total and 20 round brilliant cut diamonds weighing approximately 4.00 carats total. Engraved: Tiffany & Co. IRID PLAT. 9.60 dwts.
Ladies Hamilton diamond and platinum wristwatch. Case marked "1% Irid Plat". Bezel set with eighteen prong set round diamonds (eight approximately 3 point, ten approximately 2 point). Round lugs set with two approximately 10 point round diamonds and 12 approximately 4 point round diamonds. Approximately 1.12 ctw of diamonds. Back of case engraved "CAB to FKB". Hamilton Model 780 17 Jewel movement. Marked 14K white gold band set with 30 approximately 3 point round diamonds. 6-3/4" long. Total weight without movement 10.2 dwt (15.8 grams). CONDITION: Running but not timed. Dial with minor wear. Connector between two band links needs tightened.
JEWELRY. Vintage Hamilton Platinum and Diamond: Watch. Vintage Ladies' Hamilton platinum and diamond wrist watch comprised of a rectangular watch face flanked by (14) single cut diamonds and (8) tapered baguettes; and an additional (42) single cut diamond accents in a foliate design. Watch band is designed as a line bracelet with (21) single cut round diamonds. With a Hamilton 911 movement, 17 jewels, no. T57 9253". Watch face is stamped verso, "10% Irid. Plat. "; watch bracelet closure is stamped, "10% Irid. Plat. Pat. Pend. "; interior of watch case is inscribed, "Palais Royal". With a 14kt white safety chain. Total approx. weight of watch is 20. 0 dwt (gross). From a Larchmont, NY estate. Condition Good, with light surface scratches and minor dings/dents.
EDWARDIAN AUSTRALIAN BLACK OPAL PLATINUM BRACELET
Six oval black opal cabochons with red-orange/green-blue spectral play-of-color, 32 cts. TW by formula, in spectacle settings joined by reticulated links. Findings marked Irid Plat, no maker marks apparent. 7 1/2". 8.1 dwt. GW. Probable gem source: Lightning Ridge. Companion to lots 2534 and 2537.
Schlumberger, Tiffany & Co. Yellow Sapphire Bee Ring
set with cushion shaped mixed-cut natural, no heat, yellow sapphire, 10.41 x 9.70 x 7.02 mm, with AGL report CS1079730, mounted in yellow gold, band platinum, accented on each side with a bee made of mixed diamonds, platinum and yellow gold, stamped "Tiffany Schlumberger 18K, IRID PLAT", size 7-1/2, 10.9 grams.
A Vintage Platinum and Diamond Cluster Ring containing one pear shape diamond weighing approximately 1.50 carats and 32 round brilliant pear shape and marquise diamonds weighing approximately 7.75 carats total Stamp: IRID PLAT 91888. 9.30 dwts.
DIAMOND PLATINUM ENGAGEMENT RING
RBC diamond, approx. .62 ct., flanked by tapered baguettes, approx. .15 ct. TW, steeply set in platinum, 20th/21st. c. Marked 10% irid. plat. Size 5 1/4. 2.3 dwt.
JEWELRY: WOMAN'S PLATINUM EMERALD AND DIAMOND RING, MOUNTING MARKED "10% IRID. PLAT." TESTED PLATINUM WITH 14K YELLOW GOLD CENTER CR..JEWELRY: Woman's platinum emerald and diamond ring, mounting marked "10% Irid. Plat." tested platinum with 14K yellow gold center crown, swirl design top, center set with one pear shape, faceted, medium green natural emerald, approximately 0.66 ct., 7.3 x 5.5 mm; surrounded by twenty-eight straight and tapered baguette cut diamonds, wear consistent with age and use, finger size 6. [1.00 ct. approx. total weight]
A Platinum and Diamond Ring containing one octagonal step cut diamond weighing approximately 4.38 carats and two tapered baguette cut diamonds weighing approximately 0.50 carat total. Stamp: 10% IRID PLAT. Accompanied by a Gemological Institute of America diamond grading certificate number 2145044278 dated November 4 2011 stating Color: F Clarity: VS2 Polish: Good Symmetry: Good Fluorescence: None. 3.00 dwts.
An Important Platinum Emerald and Diamond Ring containing one octagonal step cut emerald measuring approximately 15.00 x 10.05 x 8.12 mm two shield shape step cut diamonds weighing approximately 2.50 carats total 10 round brilliant cut diamonds weighing approximately 0.44 carat total and eight baguette cut diamonds weighing approximately 0.44 carat total. Stamp: IRID PLAT 61634. Accompanied by an American Gemological Laboratories emerald identification and origin certificate number CS 50627 dated July 24 2012 stating Variety: Emerald Origin: Colombia Enhancement; Insignificant to Faint Traditional. 7.20 dwts.
A LADIES LONGINES WRIST WATCH with silvered rectangular dial diamond set Arabic numerals and batons case stamped 10% Irid. Plat
Platinum green jadeite and diamond ringfeaturing a translucent green jadeite double cabochon 28.75mm x 12.00mm x 6.45mm accented by 12 old European and round brilliant cut diamonds 2.40 cts. approximate total in a platinum mount. Stamped ''10% Irid Plat''. Accompanied by GIA report number 1136363089 indicating that the jadeite is translucent mottled green jadeite jade natural color no indication of impregnation. 12.0 grams. Size 6 Circa - Mounting early 20th C.
Ladies Hamilton diamond wristwatch. 35mm x 15mm case marked 10% irid plat. Set with two larger side Brilliant cut diamonds each approx. .20 ct. Surrounded by 36 diamonds (1pt to 3pt each). Case approx. 1.2 CTW. White gold band 5" long (without case) marked 14K. Set with 29 .015pt diamonds (.43 CTW). Total metal weight (case, band, and diamonds): 12.8 DWT (19.9 grams).
1.08 ctw diamond filigree ring in platinum marked "Irid. Plat.". Center .81 carat round Old European cut diamond. Clarity VVS1. Color approx. H. With six approx. .045 carat Old Mine and Old European cut diamonds, .27 ctw. Clarity SI1 to SI2. Color H. Size 7. 3.8 dwt (5.9 grams).