A diamond, carved sapphire, and platinum brooch, J. E.

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

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.

Round and rose cut diamond, calibré sapphire, platinum and gold brooch, g 10.07, length cm 9.20 circa.Broche in oro giallo e platino con diamanti rotondi, mezza rosetta e zaffiri calibré, g 10,07, l

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

Rose cut diamond, seed pearl and carré sapphire gold and platinum brooch, g 4.28, length cm 3.50 circa.Broche in oro giallo e platino con piccoli diamanti a mezza rosetta, microperle e zaffiri carrè

Circa 1920, centering an old mine cushion-cut diamond gauged at approximately 1.50cts. and graded I-J color and SI clarity surrounded by ninety-two single and full-cut round diamonds totaling approxim

Sapphire, diamond, and gold winged brooch The carved sapphire body, to the sculpted gold wings set with single and round brilliant-cut diamonds Yellow gold and platinum 2 x 0.75 in; Gross weight 7.4 d

Approximately 14ctw E-G Round Brilliant Cut Diamonds, 7ctw Square Cut Rubies, 23ctw Carved Cabochon Sapphires, And 19ctw Carved Cabochon Emeralds Set In 18k Yellow Gold Comprise This Sautoir. Necklace

Approximately 13.25ctw Round Brilliant Cut E-G Diamonds, 6.85ctw Square Cut Rubies, 19.6ctw Carved Cabochon Emeralds, And 19.3ctw Carved Cabochon Sapphires Set In 18k Yellow Gold Comprise This Tutti F

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

Victorian 18K & Silver Top Sapphire and Diamond BroochWeighing 11.3 gramsSet with app. 6.00 Ct. of Old Mine DiamondsH-J Color, VS1-SI1 ClarityAlong with an app. 2.00 Ct. Sapphire2 inches in length

14K YELLOW GOLD CARVED MOTHER-OF-PEARL CARVED HORSE BROOCH/PENDANT FRAMED WITH DIAMOND AND SAPPHIRES. 1 1/4 X 1 1/8"; GROSS WEIGHT 9.19 GRAMS

Diamond, Yellow Sapphire, Platinum, Gold Brooch, Schlumberger for Tiffany & Co. The brooch features a round-cut yellow sapphire weighing approximately 1.10 carats, enhanced by full-cut diamonds we

Edwardian Diamond, Sapphire, Platinum Pendant Enhancer Brooch. Centering one old European-cut diamond weighing approximately 1.20 ct., flanked by two old European-cut diamonds weighing approximately 0

Oscar Heyman Diamond, Sapphire, Platinum Brooch Stones: Full-cut diamonds weighing a total of approximately 1.20 carats; square and calibré-cut sapphires Metal&col

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

Art Deco Approx. 2.5 Carat Old European Cut Diamond, Sapphire and Platinum Bar Brooch. Diamonds G-H color, VS1-SI1 clarity. Unsigned. Missing one small sapphire Very good condition. Measures 2" W, 3/4

Platinum brooch, set with center approx. 8.24ct yellow sapphire (measures 12.7 x 11.89 x 6.2mm), surrounded with approx. 0.74ctw in diamonds. Brooch measures 28mm x 27mm. Tested plat. Weight - 10.3 gr

weighing approximately 10.0 grams. crafted in solid Platinum, this exquisite piece is adorned by an outstanding (4) Large Genuine Diamonds round-cut, prong-set, ( G-H color and VS clarity) & (16) Larg

Art Deco brooch set with European and rose-cut diamonds, weighing in total approximately 0.90ct; with European marks; length: 2 in. (loss of one diamond and sapphire)

Belle Epoque Platinum Diamond and Sapphire Brooch; platinum; 13.0dwt/20.21g; center = 1.25cts; 94 round diamonds = 9.25cts; Total Diamond Weight = 10.50cts; 59 sapphires = 1.25cts; 2 1/4" x 1 1/4"

Appraisal- $10,500 Weight- 15.10 grams

The exceptionally fine handmade art deco brooch is set with 212 old mine cut diamonds, 20 square calibre cut diamonds and 52 calibre cut sapphires set in platinum. The brooch has an approx. diamond we

This elegant Art Deco brooch is crafted in solid platinum, containing 4 old European cut diamonds weighing approximately 0.80 carat total, 27 old European cut diamonds weighing approximately 0.27 cara