A FINE PLATINUM AND DIAMOND BROOCH of scrolling form.

A Victorian unmarked white gold or platinum diamond set brooch Of star form, the central stone spreading to approximately 0.5 carat. 4 cm wide.

Fine jadeite, diamond and platinum foliate-form brooch; the platinum mount of curvilinear ribbon-like design, set with approx. 40 modern brilliant round and single cut diamonds; radiating 'leaves&

Designed as two marquise and RBC diamond birds perched on a scrolling open form RBC diamond set heart, approx. 1.60 cts. TW. 1 3/8" x 1". 4.0 dwt. Provenance: The Gary and Helen Kalpakjian Collection.

BROOCH - Edwardian Platinum Bar Pin Form Brooch set with (14) rectangular faceted sapphires and (3) diamonds, stamped "JEC COA 6712", 2 1/2" long, 1/8" wide, 5.0 dwt tw; fine condition.

PLATINUM AND DIAMOND BROOCH Composed of round cut diamonds, weighing approximately 5.00 cts., Length 2 1/2 inches, Weight 9.3 dwt.

Period c.1925 Composition Platinum & diamonds (approx 2ct) Dimensions 3 x 3.5 x 1 cm Weight 5.3 g Fine Platinum Diamond Horseshoe Brooch c.1925 Reserve: $1,600.00 Shipping: Domestic: Flat-rate of $38.

Fine Platinum and Diamonds Butterfly Brooch. There is Well Over 1ct Worth of Diamonds. Condition: Excellent. Dimensions: 1.25" x 1". Total Weight: 3.7dwt / 5.7g. Provenance: From a Long Island, NY Pri

Platinum and Diamond Broochthe bow-form brooch comprising full- and single-cut diamonds weighing approx. 1.50 tcw. with open-work millegrain decoration; 7.90 dwts; lg. 3 in.Provenance: The Collection

Platinum and Diamond Broochin the form of a heart and arrow set throughout with full- and baguette-cut diamonds; diamonds weighing approx. 1.65 tcw.; 6.62 dwts.; 1 1/4 x 1 3/8 in.; accompanied by a Ma

Platinum and diamond free form brooch set with round diamonds and baguettes. height 2 1/4 inches *No credit card payments will be accepted for silver, gold, or jewelry from buyers that have not purcha

Platinum, emerald, and diamond encrusted bow form pin. Apparently unmarked, tested for fineness. Approx. h. 1.5", w. 1.375", total weight 7.1g. Ahlers & Ogletree, Inc. reserves the right to require pa

Platinum diamond inlaid circular brooch with applied diamond inlaid bow. Apparently unmarked. Total approx. weight is 5.4 dwt (gross). From a Greenwich, CT estate. Dimensions: brooch measures approx.

Platinum spray form brooch inlaid throughout with single cut diamonds. Total approx. weight is 9.8 dwt (gross). From a Garden City, NY estate. Dimensions: brooch measures approx. 3.45" w x 1.20&q

VAN CLEEF ARPELS, DIAMOND DOUBLE CLIP BROOCH, of scrolling leaf form, set throughout with round brilliant-cut and square-cut diamonds, estimated total diamond weight 3.74ct, signed Van Cleef & Arpels.

FINE TIFFANY & CO. PALOMA PICASSO 18KT/PLATINUM/DIAMOND BROOCH, C. 1980/90, WEIGHT 12.7 GRAMS

A VINTAGE SAPPHIRE AND DIAMOND BAR BROOCH in 14ct yellow gold, in scrolling form set with a row of alternating round cut sapphires and old cut diamonds, stamped 14, 4.0cm, 4.5g. 

Art Deco platinum, diamond, and fine emerald brooch / pin, composed of fifty-one mixed-cut diamonds including baguette and round brilliant-cut diamonds; approx: 5.50 ct tw., color: H-I, clarity: VS2 -

Stunning Color GIA 52.82ct Aquamarine Fine Diamond Platinum Retro Deco Pendant Brooch ClipDescription:A stunningly blue natural color 52.82ct emerald cut aquamarine with over 2ctw of very white G-H co

RAYMOND YARD Platinum, Diamond, Emerald, and Ruby Brooch the large floral-form spray brooch featuring round old European-cut diamonds weighing approx. 5.80 tcw., further set with emerald-cut emeralds

Platinum Diamond Bird Brooch Diamond Bird Brooch In the form of a bird of paradise containing numerous full and baguette cut diamonds weighing approximately 3.0 carats total,  ruby eye. 1.875" x 1.

Fine suite of platinum, diamond, and sapphire jewelry, to include brooch and earrings. Brooch: center old European cut diamond 1.0 CT, L color, SI2 perfection, (25) diamonds, approximately 1.25 ctw, (

Signed Vintage Tiffany & Co. Platinum 1ctw Fine White Diamond Pave Crab Brooch Description: A properly signed platinum pin / brooch depicting a full bodied crab that is encrusted with approx. 1ctw of

Title: Art Deco Platinum 5.35ctw Fine Diamond Natural Sapphire Antique Brooch 14K White Gold Pin Description:This gorgeous antique with an art deco design features just over five carats worth of fancy

.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