A Platinum and Diamond Circular Brooch, J. E. Cald

Vintage Approx. 4.0 Carat TW Round Brilliant and Baguette Cut Diamlnd and Platinum Circular Brooch. Diamonds E-F color, VVS-VS clarity. Stamped Plat. Measures 1-1/4" diameter. Approx. weight: 12.17 gr

Ca. first quarter 20thC. Amazing quality throughout with 68 clear Columbian emeralds and 82 clear full cut diamonds surrounding the large central EVS1 diamond. Weight approx. 12.9 Grams. Measures appr

Platinum diamond inlaid circular brooch with applied diamond inlaid bow. Apparently unmarked. Total approx. weight is 5.4 dwt (gross). From a Greenwich, CT estate. Dimensions: brooch measures approx.

Carved Rock Crystal, Platinum and Diamond Circle Brooch Circular beveled chipped rock crystal dia. ap. 35 mm., 6 baguette and 62 single-cut diamonds ap. .85 ct. C

Platinum and Diamond Brooch, the circular-designed brooch set with thirty-two round brilliant-cut diamonds, with an approximate total weight of 1.60 carats, dia. 1-1/4", 4.5 grams total weight.

Circa 1915, platinum diamond & sapphire encrusted stickpin with J.E. Caldwell Box , 2.3 DWT 1 small sapphire missing

J.E. Caldwell Platinum diamond and akoya cultured pearl earrings, with a unsigned matching graduated 9mm – 10mm pearl necklace with 14K white gold clasp. Provenance: From a local collection. Ear

Antique Approx. 3.5 Carat Old European Cut Diamond and Platinum Bow Brooch. E-F color, VS1 - VS2 Clarity. Probably French. Unsigned. Measures 2-1/2" x 1-1/2". Approx. weight: 16.0 grams. Condition: Go

METAL: platinum. GEMSTONES: diamonds- 1.30ctw. MEASUREMENTS: 55mm X 33mm at widest point. MARKED: J. Roca. WEIGHT: 12.8g. Gemstones have not been graded for color and clarity ,and tested for clarity a

An Art Deco Platinum Topped 14 Karat White Gold and Diamond Brooch, J.J. White & Co., containing three old European cut diamonds weighing approximately 0.27 carat total and four single cut round diamo

Vintage Platinum & diamond brooch, c. 1950, set with a cluster of pear-shaped and marquise-cut diamonds, H-J color, VS-SI clarity, est. 10.0 carats, 2.5"l, approx. 18 dwt., illegibly stamped 869(?) Pr

Art Deco French Platinum Diamond Brooch Weighing 21.9 grams Set with app. 9.50 Ct. of Diamonds E-G Color, VVS-VS Clarity 2 inches in length

Art Deco Platinum Diamond Brooch Weighing 15.1 grams Set with 135 Diamonds weighing app. 9.00 Ct. E-G Color, VS1-SI2 Clarity 2.25 x 1 inches

Art Deco platinum brooch/pin decorated with mixed cut diamonds. Center stone- Old European cut diamond-approx. 0.79ct (VS2/I), two side stones-Old European cut diamonds-approx. 0.55ctw (SI1-SI2/I-J),

center round cut synthetic blue sapphire approx. 7.6mm, approx. 156 old European cut diamonds estimated total weight 3.50cts., H-J, VS to SI, tested platinum, 13/16 x 2-7/8 in., 11.3 gramsÿ - Provena

J.E. CALDWELL & CO., PLATINUM AND DIAMOND CONVERTIBLE DRESS CLIPS Consisting of two platinum clips containing straight baguette, round brilliant, and single cut diamonds weighing approximately 5.00 ca

J.E. CALDWELL, EDWARDIAN, DIAMOND BAR BROOCH Containing one old mine cut diamond weighing approximately 0.85 carat and 15 old mine cut diamonds weighing approximately 0.90 carat total. Mounted in plat

Edwardian Platinum and Diamond Brooch/Pendant ca. 1910, the circular platinum brooch with an openwork lacy pattern set with a central old European-cut diamond, surrounded by smaller European-cut diamo

Center Stone Is Approx 1 Ct, Old Mine Cut. H-I. Approx 3.5cts Total. 1 1/2 x 1 3/4. Chain Is 20 Inches Long. Total Weight Of Both Pieces Is 17.2 Grams. Wire Transfer Or In-Person Cashier's Check Are T

containing two old European cut diamonds [H-I/I] weighing approximately 0.55 carats total; 120 old European cut diamonds [I-J/SI] weighing approximately 5.90 carats total; and 18 baguette cut diamonds

Vintage platinum and diamond circular pin with interlocking ribbon form comprising of 3.6 ctw diamonds (VS - SI clarity, G-H color). Unmarked. Ahlers & Ogletree, Inc. reserves the right to demand paym

SPILLA IN PLATINO E DIAMANTI di forma rotonda lavorata a traforo e incastonata a milligrano con al centro un diamante taglio brillante di ct 0,35 ca. impreziosito da diamanti taglio huit-huit di ct 0,

Early platinum 7 diamond, 8 rectangular caliper-cut sapphire Art-Deco filigree bar pin. (4.2 dwt.) Vintage J.E. Caldwell leather box included but not original to pin.

Large Approx. 5.75 Carat Round Brilliant Cut Diamond, Platinum and 18 Karat Yellow Gold Brooch. Diamonds E-F color, VVS clarity. Unsigned. Very good condition. Measures 2-1/2" x 1-3/4". Approx. weight