MARCUS & CO. SAPPHIRE AND DIAMOND RING; GIA sapphire report #5151221539 describes cushion cut blue sapphire, 7.20 x 6.95 x 4.45 mm. (1.85 cts. by formula), natural, untreated. Bezel set in 18k yg. with diamond and platinum leafy shoulders, ca. 1910. Size 6. 1.6 dwt.
Auctioneer:
Rago Auctions
Date:
2013-12-08
MARCUS & CO. STERLING AND 14K GOLD TRAVEL CLOCK; Eight day, cushion shaped silver three-bodied with engine, incised and 14k gold inlaid lines, Swiss 15 Read more…
Auctioneer:
Rago Auctions
Date:
2014-04-27
MARCUS & CO. PLATINUM AND DIAMOND WATCH: Read more…
Auctioneer:
Dumouchelle Art Galleries
Date:
2008-12-14
TIFFANY & CO. SAPPHIRE AND DIAMOND PENDANT/BROOCH, ca. 1895. Three pear-shaped blue sapphires, potential Burma origin, in heart-shaped diamond surrounds and diamond ribbon bows radiate Read more…
Auctioneer:
Rago Auctions
Date:
2011-12-04
JEAN SCHLUMBERGER FOR TIFFANY & CO. SAPPHIRE AND DIAMOND BROOCH, ca. 1957. (3) stylized 18k blossoms set with (9) faceted blue sapphires, approx. 1.05 cts. Read more…
Auctioneer:
Rago Auctions
Date:
2011-12-04
Art Deco Platinum Black Opal, Sapphire, and Diamond Bar Pin, Marcus & Co., channel and bead-set with rectangular step-cut sapphires and full-cut diamonds flanked by Read more…
Auctioneer:
Skinner
Date:
2004-03-16
Edwardian Diamond Crescent Brooch, Marcus & Co., bead and prong-set with old European-cut diamonds, approx. total wt. 3.03 cts., platinum-topped 18kt gold mount, signed. Read more…
Auctioneer:
Skinner
Date:
2006-03-14
Art Deco Platinum, Sapphire, and Diamond Ring, Marcus & Co., set with an oval-cut sapphire measuring approx. 11.12 x 8.95 x 8.75 mm, floral openwork Read more…
Auctioneer:
Skinner
Date:
2008-12-09
containing 152 round mixed cut sapphires measuring from approximately 0.70 mm to 5.37 mm in diameter, together with 79 old European and rose cut diamonds Read more…
Auctioneer:
Leslie Hindman Auctioneers
Date:
2016-04-03
Edwardian Platinum and Diamond Pendant/Brooch, Marcus & Co., the finely pierced mount set with old mine-cut diamond melee, centering a later pear-shape sapphire, lg. 1 Read more…
Auctioneer:
Skinner
Date:
2010-09-14
Platinum, Star Sapphire and Diamond Ring, Marcus & Co., the sapphire cabochon measuring approx. 12.95 x 10.79 x 9.70 mm, lanked by diamond trillions, approx. Read more…
Auctioneer:
Skinner
Date:
2007-03-13
