Jaques & Marcus Diamond Brooch/Pendant

MARCUS & CO: SAPPHIRE AND DIAMOND BROOCH/PENDANT, EARLY 20TH CENTURY The central oval-cut sapphire within an openwork quatrefoil border of floral and foliate motifs, millegrain-set throughout with old

This lot is accompanied by an Independant Gemologist Appraisal letterMarcus & Co style 18k gold emerald diamond and enamel, art nouveau antique brooch/pendant designed with one elongated, oval cabocho

Title: Antique Marcus & Co. 5ctw Fine Old Euro Diamond Aquamarine Center Platinum Art Nouveau Era Pendant Brooch w/ Orig. Box Dated 1922 Description: A truly dazzling Art Deco era brooch / pendant tha

Top set with a cultured pearl measuring approximately 17.31mm, decorated with circular-cut diamonds and emeralds, supporting a detachable pendant set with cultured pearl measuring approximately 16.95m

Ref:230742162 Gold Content:14K Gold Main Gemstone:Kunzite Number of stones:1 Shape:Oval Carat Weight:16.98ct Color:Purple Treatment:Natural Cut Grade:G Adjacent Gemstone 2 : Diamond Shape:Roun

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

YELLOW GOLD, AQUAMARINE AND DIAMOND BROOCH/PENDANT NECKLACE Consisting of a yellow gold and platinum pendant/brooch containing one emerald cut aquamarine measuring approximately 20.45 x 15.85 x 11.10

Ref:230671224 Gold Content:14K Gold Main Gemstone:Tourmaline Number of stones:1 Shape:Oval Carat Weight:7.53ct Color:PigeonBlood Red Treatment:Natural Cut Grade:G Adjacent Gemstone 2 : Diamond

IMPORTANT DIAMOND BROOCH/PENDANT, in precious white metal. Of part openwork design, throughout set with diamonds totalling approx. 4 ct. L. 5.5 cm. 13.5 grams.

ANTIQUE DIAMOND BROOCH/PENDANT, of stylized shell design, with a diamond drop to the bottom. Diamonds totalling approx. 3.60 ct. L. 5.3 cm. 16.8 grams. With antique fitted box.

South Sea Pearl and Diamond Brooch/Pendant 18k yellow gold, the brooch/pendant mounted with white South Sea pearls with a good luster, measuring approximately 13.00 mm to 16.00 mm, accented by round b

IMPORTANT DIAMOND BROOCH/PENDANT, in precious white metal. Of part openwork design, throughout set with diamonds totalling approx. 4 ct. L. 5.5 cm. 13.5 grams.

Retro 18K & Platinum Emerald & Diamond Brooch/PendantWeighing 25.6 gramsSet with an app. 50.00 Ct. EmeraldAlong with 7 Emeralds weighing app. 7.00 Ct.And 25 Diamonds weighing app. 0.70 Ct.F-H Color, V

ANTIQUE DIAMOND BROOCH/PENDANT, of stylized shell design, with a diamond drop to the bottom. Diamonds totalling approx. 3.60 ct. L. 5.3 cm. 16.8 grams. With antique fitted box.

Containing round brilliant, marquise, pear, and baguette cut diamonds approximately 4.0 carats total weight. Hidden bale to verso. Marked 4196 . 2.25" x 1.25". 14.3 dwt.

Platinum and diamond brooch/pendant set with marquis and baguette diamonds approximately 4ct. total weight.

Antique 14K Yellow Gold 1.50 Ct. Diamond Brooch/Pendant Weighing 6.4 grams Set with 17 European-cut Diamonds weighing app. 1.50 Ct. G-H Color, VS1-Si1 Clarity 1.25 inches in length

TIGER'S EYE AND DIAMOND BROOCH/PENDANT AND TWO RINGS, CIRCA 1970 1st: The brooch set with an oval tiger's eye plaque, within a polished and textured foliate border set with brilliant and single-cut di

AN AQUAMARINE AND DIAMOND BROOCH/PENDANT, CIRCA 1890 The openwork scrolling cartouche with foliate detailing and set throughout with rose-cut diamonds, with an oval-cut aquamarine to the centre, suspe

Ref:230662185 Gold Content:14K Gold Main Gemstone:Aquamarine Number of stones:2 Shape:Oval Carat Weight:3.13ct Color:Blue Treatment:Natural Cut Grade:G Adjacent Gemstone 2 : Diamond Shape:Roun

1st item: Ladies platinum wristwatch by Marcus featuring 48 single & baguette cut diamonds approximately 0.52 carats together, Clarity-SI1, Color-I, fitted with a beige strap. The watch is marked "10%

14k white gold antique filigree diamond pin and pendant containing one bezel set center old mine cut diamond weighing approximately .58 ct (I1, J-K) and two old European cut diamonds together weighing

Free form design 14kt gold & diamond brooch/pendant. The peice measures approx. 2.25" x 12.00mm and features one (1), bezel set, round brilliant cut diamond at the top with a total of thirty (30), pav

American, mid-20th century. Stamped "14K" yellow gold pendant/brooch, also stamped "SB" (Berman & Co., Sydney). Designed with open scroll work and center fleur de lis motif, set with eight round opals