Platinum & 18K Y.G. 3.00Ct Diamond Floral Brooch

Victorian floral brooch done in 18k YG set with diamonds. Measures 2 5/8" in height, 1 5/8" in width. Weighs 18.8 grams. Diamonds are old mine cut and rose cut stones ranging in color and clarity appr

Tiffany & Co. Jean Schlumberger platinum and 18k yellow gold "Star Fish" brooch designed with sixty-two diamonds, 1.28 carats total weight, appx. 2 3/4". 46.65gr. Signed "Tiffany Schlumberger 18K PLAT

18k yellow gold pin or brooch in floral form, the petals set with turquoise cabochons, the center with brilliant round cut diamonds. Hallmarked on back 18K ITALY along with indistinctive marks. Approx

18K yellow gold 20CTTW sapphire and diamond floral bouquet brooch. Measurements: 50 MM x 44 MM.

18K yellow gold and platinum 1940s Verde green enamel diamond kabuki mask brooch with 3 CTTW of brilliant cut VS F color diamonds.Measurements:Platinum weight: 23 G.Size: 48 MM X 45 MM.

18K And Platinum Victorian Belle Époque Diamond Pearl Pendant Brooch Stylized floral design with arrow and star details. Old cut diamond apx .45 carats. Pearls apx 3mm each. In excellent condition. T

This is a gorgeous Estate brooch, crafted from 18k yellow gold featuring a rough textured design ribbon bow accented with diamonds on white gold prongs. Below the center of the bow is a floral design

Beaudry Platinum, 18k Gold and Diamond Ring Ring having a platinum border flanking gold floral design, all having round cut diamonds, marked '750' and '100PT'; together

Floral brooch in 18k yellow gold and platinum featuring diamonds and various multi colored gemstones. It is 41mm x 31mm and weighs 17 grams. In excellent condition. Please review all photos closely. C

Tiffany & Co 18k yellow gold and platinum engagement ring set with 1.5ct round brilliant cut diamond (Color - F-G; Clarity VS1). Ring size 7. Stamped Tiffany & Co 750 PL950. Approx. overall weight 3.6

Tiffany & Co 18k yellow gold and platinum engagement ring set with 1.59ct round brilliant cut diamond (Color: H/Clarity:I2). Ring size 7. Stamped Tiffany & Co 750 PL950. Approx. overall weight 3.6 gra

Cartier platinum and 18k yellow gold bracelet set with two round brilliant cut diamonds. The bracelet also carries the iconic screw motifs with the word LOVE on the ring which is held by chains. Accom

SIZE 6.5, PRE OWNED. DIAMOND MEASURED 4.8 MM - 4.8 MM FOR WEIGHT OF .52 CT. CLARIETY IS AN I-1 AND COLOR APPEARS TO BE IN THE H-I RANGE. THE CENTER OF THE DIAMOND IS CLEAN. ESTIMATE $1500-$2000

SIZE 6.5, PRE OWNED. DIAMOND MEASURED 4.8 MM - 4.8 MM FOR WEIGHT OF .52 CT. CLARITY IS AN I-1 AND COLOR APPEARS TO BE IN THE H-I RANGE. THE CENTER OF THE DIAMOND IS CLEAN. ESTIMATE $1500-$2000

.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

Circa 1890's Art Nouveau antique Tiffany and Co platinum brooch having 4ctw old mine cut diamonds(Clarity:VS-SI/Color:E-H) with an onyx inlay and 18K yellow gold clasp/pin. Stamped 18K on clasp, engra

A very beautiful Italian 18K Y/G enamel brooch (3"x2.4") in the form of Harlequin, decorated with small diamonds, wt. 46.1gm

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

Signed contemporary George Lederman 18K yellow gold & diamond figural dog brooch features a charming Pekinese dog in pose with a highly texturized body, accented with brown diamond eyes and rose gold

Mid century platinum and 18k yellow gold brooch with rose cut and old mine cut diamonds. Center diamond approx. 0.21ct, surrounding diamonds approx. 1.60ctw. Brooch is 48mm x 38mm. Tested: Plat, 18k.

METAL: Platinum/ 18k Gold. MEASUREMENTS: Brooch is 69mm x 21mm. Chain is 3.75" long (with safety pin). TESTED: Plat top/ 18k gold. WEIGHT: 13.9 grams.Gemstones have not been graded for color and

Mid-century modern 18k yellow gold, diamond & lapis brooch, .20 diamond points, TW. Marked .750 and 762 AL to back. 10.6 dwt.

GIA Certified 4.17ct Cushion Fancy Light Yellow Three-Stone Ring Size 6.53 stone ring in Platinum & 18K YG Cathedral diamond shank, diamond wrap; diamond bridge 4.17ct Natural Fancy Light Yellow Even

Fine vintage Buccellati 18k floral brooch with 3 carbachol emeralds 8.5 mm diameter, each set into a flower with 90 rose cut diamonds or approx. 270 rose cut diamonds at .02 ct each total. Toned and t