CASTALDI GIOIELLI - Peonia brooch

A RARE & COLLECTIBLE MYSTERY-SET SAPPHIRE AND DIAMOND FLOWER BROOCH, BY VAN CLEEF & ARPELS The realistically modelled flowerhead mystery-set throughout with calibré-cut sapphires, with a brilliant-

David Webb 17.20ctw Emerald & Blue Sapphire, 13.50ctw VS1-VS2/F-G Diamond Solid Platinum/18K Yellow Gold One of a Kind Convertible Brooch/Pendant (Comes W/$300,000 Appraisal) - This immaculately craft

BOUCHERON, AN EXCEPTIONAL ANTIQUE ART DECO DIAMOND AND ENAMEL BROOCH in platinum and 18ct white gold, the geometric body set with old cut diamonds within two octagonal borders of black enamel, the pri

Pierre Sterlé double clips/brooch, a diamond and platinum knot with round-cut diamonds, suspending cascades of rectangular diamonds mounted in platinum, ca. 1955, with an approximate total weight of

DIAMOND BROOCH The octagonal old-cut diamond, weighing 4.29 carats, within a surround of cushion-shaped and old brilliant-cut diamonds, length 2.0cm

ERNST PALTSCHO (Attrib. to), IMPORTANT CERTIFICATED NATURAL SALTWATER PEARL AND DIAMOND EDWARDIAN BROOCH, the brooch of bow design, set throughout with diamonds totalling approx. 8.60 ct. Suspending a

DAVID WEBB WHITE ENAMEL AND MALACHITE MALTESE CROSS BROOCH Stunning bold and colorful brooch/pendant created by David Webb in the 1980's. It is designed as a stylized Maltese cross and features a prom

A LATE VICTORIAN NATURALISTIC DIAMOND AND NATURAL PEARL TASSEL BROOCH CIRCA 1890The convex gold backed silver top with curving rows of graduated pearls with old mine cut diamond set curving thorn bran

DIAMOND SINGLE-STONE BAR BROOCH Set with an old cushion-shaped diamond, weighing 4.30 carats, length 5.5cm

ILLARIO FOR BULGARI: DIAMOND BANGLE/TRIPLE-CLIP BROOCH, CIRCA 1935 Of geometric and scroll design, set throughout with old brilliant and single-cut diamonds with baguette-cut diamond accents, the cent

CARTIER, DIAMOND BROOCH Containing eight pear shaped diamonds and 108 baguette cut diamonds weighing approximately 11.00-12.00 carats total. Mounted in platinum. 1 1/2 x 1 1/2 inches. Stamp: CARTIER 1

EVELYN CLOTHIER, AGATE AND DIAMOND DRAGONFLY BROOCH Unsigned, designed as a one-of-a-kind dragonfly with agate wings and articulated body containing one rectangular old mine cut diamond weighing appro

VAN CLEEF & ARPELS: DIAMOND AND GEM-SET FLOWERSPRAY BROOCH, 1930S The engraved and highly textured floral and foliate spray tied with a fluttering ribbon, decorated throughout with brilliant, old bril

This impressive signed platinum ”Maltese Cross” brooch with 18kt yellow gold accents features an approx. 5.27 ct. medium slightly violetish blue sapphire cabochon bezel set into the center

Sovel Zurich 20.00ctw VVS1-VVS2 Yellow & White Diamond, 12.7mm South Sea Pearl & Solid 18K Yellow/White Gold Phoenix Pendant/Brooch W/Ruby Accents - This exquisite piece by Sovel Zurich was masterfull

JOSEF HOFFMANN (1870 - 1956) WIENER WERKSTATTE Brooch, Austria, early 20th C. 900 silver, malachite, turquoise Stamped JH/WW/900/assay mark 1 3/8" x 1 1/2" Provenance: Rago Auctions, Modern, October 2

CARTIER, A DIAMOND, SAPPHIRE, EMERALD, ONYX AND PEARL PANTHERE BROOCH / PENDANT in platinum, designed to depict a panther running, its body jewelled with round brilliant cut diamonds and cabochon blue

CARTIER, IMPORTANT EMERALD & DIAMOND OWL BROOCH, CA. 1950, modelled as an owl sitting on a branch, with a carved mughal emerald chest of approx. 8 ct. with round cut ruby eyes framed by round cut diam

An art deco un-heated Burma ruby and diamond brooch, width 4cm, rubies Est. 14ct, Wt. 16.7g. Together with certificate, stating total ruby Wt. Est. 14ct, origin Burma with no indication of heating.

A FINE ANTIQUE DIAMOND BROOCH set with an old mine cushion cut diamond of 4.00 carats in a cluster of old cut diamonds, accented by further old and rose cut diamonds to the openwork frame, the diamond

ONLY MAGNIFICENT JEWELS 69.37ct. Natural GIA Certified Aquamarine & 8.00ct. diamonds brooch. 3D Still Life Snowflake / Frost Leaf GIA Report: 5121796919 VS Clean Clarity, Brilliant pear cut. 43.45 X 2

Vintage Van Cleef & Arpels "From Paris with Love Bumblebee" brooch. Exquisitely crafted in 18 karat yellow gold, platinum and hand set through a process known as "mystery setting". Mystery setting, al

A SAPPHIRE DOUBLE CLIP BROOCH, BY RENÉ BOIVIN, CIRCA 1955 Composed of two stylised wings set with circular and oval-shaped sapphires accented with calibré-cut sapphires, mounted in 18K gold,

IMPRESSIVE DIAMOND BROOCH. set with diamonds totalling approx. 10 ct, with the center stone being approx. 2.45 ct. accompanied with an antique fitted box. L: 4.4 cm. W : 3.4 cm. 12 grams.