Oscar Heyman Brothers

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Oscar Heyman Brothers Lot 460 A Fine 18 Karat Yellow Gold, Platinum, Padparadscha Sapphire and Diamond Ring, Oscar Heyman Brothers, containing one oval mixed cut padparadscha sapphire weighing

1 Oscar Heyman Brothers Lot 460 A Fine 18 Karat Yellow Gold, Platinum, Padparadscha Sapphire and Diamond Ring, Oscar Heyman Brothers, containing one oval mixed cut padparadscha sapphire weighing approximately 6.43 carats within a yellow gold wirework surround accented with eight platinum set oval brilliant cut diamonds weighing approximately 2.00 carats total, wirework yellow gold base. Stamp: 18K PLAT (Oscar Heyman Brothers maker's mark) Accompanied by an American Gemological Laboratories sapphire identification and origin certificate number CS 50253, dated June 19, 2012, stating Mineral Type: Natural Corundum, Variety: Padparadscha Sapphire, Origin: Ceylon (Sri Lanka), Enhancement: None, Clarity Enhancement: None dwts. Property from a Prominent Collector, Palm Beach, Florida $35,000-55,000

3 Lot 375 A Platinum, Sapphire and Diamond Bracelet, Oscar Heyman Brothers, containing 25 oval mixed cut sapphires weighing approximately carats total and 50 round brilliant cut diamonds weighing approximately 2.50 carats total. Stamp: (maker's mark Oscar Heyman Brothers) IRID. PLAT. Accompanied by an American Gemological Laboratories sapphire identification and origin certificate number CS 66164, dated February 19, 2015, stating Origin: Ceylon (Sri Lanka), Enhancement: No gemological evidence of heat for 24 of the gemstones, Note: Gemstone No. 10 from the tongue end: Heat, Clarity Enhancement: None dwts. $30,000-50,000

Lot 408 A Fine Platinum, White Gold and Star Sapphire Dress Set, Oscar Heyman Brothers for Spaulding & Company, consisting of a pair of platinum cufflinks containing two oval cabochon cut star

5 Lot 408 A Fine Platinum, White Gold and Star Sapphire Dress Set, Oscar Heyman Brothers for Spaulding & Company, consisting of a pair of platinum cufflinks containing two oval cabochon cut star sapphires measuring approximately x x 8.90 mm and x x mm respectively with white gold hinged backs, together with three white gold shirt studs containing three round cabochon cut star sapphires measuring approximately 7.00 mm in diameter. Cufflinks stamp: (Contract mark for Oscar Heyman, hand inscribed PLAT). Shirt stud stamp: 14K. Accompanied by an American Gemological Laboratories sapphire identification and origin certificate number CS A and B pertaining to the cufflinks, dated October 20, 2014, stating Mineral Variety: Natural Corundum, Variety: Star Sapphire, Origin: Ceylon (Sri Lanka), Heat Enhancement: None, Clarity Enhancement: None. Accompanied by a fitted case signed SPAULDING & COMPANY CHICAGO dwts. Property from the Estate of Ms. Helga Donnelley, Chicago, Illinois $8,000-12,000

Lot 496 An 18 Karat Yellow Gold, Platinum, Colored Diamond and Diamond Bracelet, Oscar Heyman Brothers, composed of 12 square yellow gold links containing 48 princess cut yellow diamonds (origin of

7 Lot 496 An 18 Karat Yellow Gold, Platinum, Colored Diamond and Diamond Bracelet, Oscar Heyman Brothers, composed of 12 square yellow gold links containing 48 princess cut yellow diamonds (origin of color not tested) weighing approximately 9.70 carats total, alternating with 12 square platinum links set with 108 round brilliant cut diamonds weighing approximately carats total, hidden clasp. Stamp: 18K (maker's mark HB for Oscar Heyman) IRID.PLAT dwts. Property from the Collection of Ms. Angella R. Morrison, Fort Lauderdale, Florida $20,000-30,000

8 Lot 376 A Pair of Platinum and Diamond Earclips, Oscar Heyman Brothers, in a cushion form domed design, containing numerous pave set round brilliant cut diamonds weighing approximately 5.67 carats total. Stamp: (Maker's mark for Oscar Heyman) PLAT PT dwts. $7,000-9,000

Lot 238 An 18 Karat Yellow Gold, Platinum, Colored Diamond and Sapphire Cluster Ring, Oscar Heyman Brothers, in an open wirework design, containing 33 round brilliant cut yellow diamonds (origin of

9 Lot 238 An 18 Karat Yellow Gold, Platinum, Colored Diamond and Sapphire Cluster Ring, Oscar Heyman Brothers, in an open wirework design, containing 33 round brilliant cut yellow diamonds (origin of color not tested) weighing approximately 5.08 carats total, together with nine oval mixed cut sapphires weighing approximately 4.61 carats total. Stamp: K Plat (maker's mark) (obscured serial number) dwts. $4,000-6,000

Ruser Lot 477 A Pair of Platinum and Diamond Earclips, Ruser, in a drop design, containing 64 round brilliant and transitional cut diamonds weighing approximately 8.

10 Ruser Lot 477 A Pair of Platinum and Diamond Earclips, Ruser, in a drop design, containing 64 round brilliant and transitional cut diamonds weighing approximately 8.90 carats total and 52 baguette cut diamonds weighing approximately 1.88 carats total, clip backs allow wear as dress clips. Hand inscribed: Ruser 10% IRID dwts. Property from the Collection of Harriett Lake, Orlando, Florida $12,000-18,000

Henry Dunay Lot 475 An 18 Karat Yellow Gold, Coral and Diamond Multi Strand Necklace, Henry Dunay, consisting of five strands of graduated tumbled orange red coral beads measuring approximately 8.

11 Henry Dunay Lot 475 An 18 Karat Yellow Gold, Coral and Diamond Multi Strand Necklace, Henry Dunay, consisting of five strands of graduated tumbled orange red coral beads measuring approximately mm in diameter interspersed with four freeform gold beads pave set with numerous round brilliant cut diamonds weighing approximately carats total and 11 gold sabi texture freeform gold beads, strung knotted with a chevron form slide clasp with brushed texture measuring approximately x mm. Stamp: DUNAY 18K 750 (maker's mark) Provenance Note: For a nearly identical three strand example by Henry Dunay, please see "Henry Dunay a Precious Life" by Penny Proddow and Marion Fasel, page dwts. $60,000-80,000

Lot 444 An 18 Karat Yellow Gold, Coral, Onyx, and Diamond Bead Necklace, Henry Dunay, in a graduated design containing 35 barrel shape carved orange coral beads measuring from approximately 14.

12 Lot 444 An 18 Karat Yellow Gold, Coral, Onyx, and Diamond Bead Necklace, Henry Dunay, in a graduated design containing 35 barrel shape carved orange coral beads measuring from approximately x mm up to x mm, the carving in a basketweave and floral motif, the front of the necklace interspersed with six oval frosted black onyx barrel shape beads accented with central yellow gold bands inset with 54 round brilliant cut diamonds weighing approximately 2.05 carats total, strung knotted with a yellow gold clasp. Stamp: 18K Dunay D (maker's mark) dwts. $8,000-12,000

13 Lot 448 An 18 Karat Yellow Gold Collar Necklace, Henry Dunay, in an interwoven design, the links finished in a Sabi texture finish in opposing directions, the collar measuring approximately mm wide. Stamp: Dunay 18K dwts. $5,000-7,000

14 Lot 446 A Pair of 18 Karat Yellow Gold Sabi Earclips, Henry Dunay, in a domed interwoven design with alternating Sabi texture. Stamp: DUNAY 18K dwts. $800-1,200

15 H. Stern Lot 368 An 18 Karat Yellow Gold, Topaz and Diamond Necklace, H. Stern, consisting of a removable pendant containing an oval step cut topaz measuring approximately x x mm, two pear shape brilliant cut diamonds weighing approximately 0.34 carat total and numerous square step cut diamonds weighing approximately 3.50 carats total, suspended from a necklace containing 23 straight and baguette cut diamonds weighing approximately 0.64 carat total and 324 pave set round brilliant cut diamonds weighing approximately 3.24 carats total. Stamp: 750 (maker's mark for H. Stern). Accompanied by an American Gemological Laboratories topaz identification and origin certificate number CS 65537, dated January 16, 2015, stating Mineral Type: Natural Topaz, Enhancement: None, Clarity Enhancement: None dwts. $15,000-20,000

Lot 366 An 18 Karat Yellow Gold, Green Tourmaline and Diamond Flower Brooch, H. Stern, the stamen containing one oval mixed cut green tourmaline measuring approximately 16.10 x 15.00 x 10.

17 Lot 366 An 18 Karat Yellow Gold, Green Tourmaline and Diamond Flower Brooch, H. Stern, the stamen containing one oval mixed cut green tourmaline measuring approximately x x mm surrounded by five petals edged with matte yellow gold coiled open wirework enclosing centers of white gold containing 127 round single cut diamonds weighing approximately 3.80 carats total, polished yellow gold stem. Stamp: 750 (H. Stern maker's mark). Accompanied by a signed case dwts. $5,000-7,000

18 David Webb Lot 398 An 18 Karat Yellow Gold and Polychrome Enamel Cat Ring, David Webb, depicting a cat in repose, accented with translucent brown enamel on the body, the eyes in green enamel. Stamp: DAVID WEBB 18K BS dwts. $2,000-3,000

19 Lot 396 A Pair of 18 Karat Yellow Gold Earclips, David Webb, in a layered fluted design, measuring approximately x mm. Stamp: WEBB 18K dwts. $1,500-2,500

20 Angela Cummings Lot 294 A Pair of 18 Karat Yellow Gold and Hematite Earclips, Angela Cummings, consisting of two oval cabochon cut and polished hematite measuring approximately x mm studded with evenly distributed polished gold conical accents. Stamp: 18K CUMMINGS dwts. $1,500-2,500

21 Lot 382 A Pair of 18 Karat Yellow Gold and Abalone Earclips, Angela Cummings, in a freeform square design, containing two inlaid abalone plaques. Stamp: 18K Cummings dwts. $800-1,200

Bulgari An 18 Karat Yellow Gold, Cultured Pearl, Multi Gem and Diamond Collar Necklace, Bulgari,

Bulgari An 18 Karat Yellow Gold, Cultured Pearl, Multi Gem and Diamond Collar Necklace, Bulgari, Bulgari Lot 250 An 18 Karat Yellow Gold, Cultured Pearl, Multi Gem and Diamond Collar Necklace, Bulgari, in an alternating pattern of spindle and oval bezel links within an outer double border containing