Brooch in platinum and diamonds. Floral model in platinum with central diamond of ca. 1.08 cts. and

With three millegrained bezel-set OEC diamonds, approx. .90 ct., 1.50 cts. or .90 ct., centering graduated lines of OEC diamonds, approx. 5.0 cts. TW, in a geometric design. Ca. 1930. Stamped Wise & S

EMERALD AND DIAMOND FLORAL CLIP BROOCH, in platinum. Set with a larger central emerald, flanked by emeralds on the side totalling approx. 0.53 ct. Diamonds totalling approx. 0.65 ct. W. 1.8 cm. 4.7 gr

Jewellery watch, brooch with pin. Pin composed of three bodies, loop, falls and watch, onyx dial, platinum and rock-cut diamonds with ca. 0.15 cts. white dial, Arabic numerals in blue and red. Measure

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

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

Pair of Platinum and Diamond Dangle Earrings, stylized floral design with 2 central prong set round diamonds, wt. approx. 1.00 ct. and 1.01 cts.; bezels and links with numerous round diamonds, total w

Round diamond millegrain set platinum brooch, central diamond ct. 0.60 circa, other smaller diamonds in all ct. 1.70 circa, g 15.80 circa, length cm 5.80 circa. IT Spilla in platino con diamanti roton

Antique American Art Deco "Inverted Butterfly" Diamond Brooch platinum, ca. 1920, S. Kind & Sons, Philadelphia, Pennsylvania, the Art Deco brooch in the form of an inverted butterfly, mounted with sin

Reverse marked Plat. 7191?. Platinum diamond brooch with 43 Diamonds 2 cts. SI1 G-H; Center diamond old mine cut .40 cts. 12.2 g. 1.25 in. H x 1.25 in. W x .75 in. D.

Platinum floral spray brooch comprised of (11) marquise cut diamonds, (1) pear-shaped diamond, (14) round cut diamonds, and (54) diamond baguettes (straight and tapered). Apparently unmarked. Total ap

.900 PLATINUM 11CTW DIAMOND FLORAL BROOCH Exquisite .900 Fine Platinum Set Floral Bouquet Motif Brooch, Heavily Accented with Approximately 11.2ctw of Brilliant Round, Pear, Baguette, Emerald, and Mar

Title: Approx. 14ctw Fine White Clean Diamond Large Platinum Midcentury Swirl Brooch Clip Description: Brilliantly fiery diamond ca. 1950s platinum brooch / clip. We took out several of the stones to

RBC, OEC and single cut diamonds approximately 8 cts TW. Approximately I-K, SI. 11.1 dwts.

DIAMOND AND PLATINUM BROOCH 2 CTS APPROX. H 1 1/2" W 1 1/4":30 full cut round diamonds in surround "F" color, v. s. 1 clarity. Three marquis shape diamonds, seven baguettes, eight full cut round diamo

Art Deco Platinum Diamond Brooch/Clips Weighing 28.8 grams Set with 108 Diamonds weighing app. 12.00 Ct. F-H Color, VS1-SI1 Clarity 2 Inches in length

RBC, marquise and baguette cut diamonds approximately 8 cts TW. Approximately GH, VS. 12.7 dwts.

Each a graduated line of millegrained bezel-set OEC diamonds, approx. 2.76 cts. TW., suspending a round-faceted ruby, approx. 1.66 cts. each. Ca. 1930. 1 1/2". 4.3 dwt.

The knife-edge circle with transitional-cut diamonds, approx. 3.40 cts. TW. 1 1/4". 4.3 dwt.

or Brooch. Platinum floral spray pendant brooch inlaid throughout with round brilliant cut diamonds and tapered baguettes. Includes (3) round brilliant cut diamonds measuring approx. 3.0mm each, (18)

Synthetic sapphires. OEC diamonds approximately .45 cts. 3.3 dwts.

Brooch is 29mm in diameter. Set with approx. 0.80ctw in diamonds, sapphire and ruby accents. tested plat. top. Weight - 6.5 grams.Gemstones have not been graded for color and clarity ,and tested for c

The square-cut emerald, approx. .39 ct. by formula, bezel-set within open form OEC diamond octagonal head, diamond shoulders, approx. 1.0 cts. TW. Ca. 1925. Size 6 1/4. 2.6 dwt.

Comprising square set links with transitional-cut diamond, approx. 2.5 cts. TW, ca. 1930. Incused 900 platinum. 6 1/2". 9.0 dwt.

Platinum, Diamond, and Sapphire Ringca. 1920s; centering an old European-cut diamond weighing approx. 2.10 cts. surmounted by channel-set sapphires and single-cut diamonds in a platinum filigree mount