Sigi Pineda Jewelry

Oscar Heyman 18k yellow gold 'prowling lion' brooch contains a 0.01ct round emerald eye, 22 round diamonds (0.18ct, F-G/VS+), and 154 round fancy yellow diamonds (4.73ct). It is sta...

Oscar Heyman 18kt yellow gold and platinum brooch contains an extraordinarily fine fancy shape Australian black opal weighing 30.63cts. This unique piece also contains 97 round diamonds (1.08cts, F/ VS) and 1 pear shape black opal...

This Oscar Heyman 18kt yellow gold brooch contains 2.55cts of calibré rubies and 3.95cts round diamonds (F-G/VS+). The rubies are cut by hand in Oscar Heyman's Madison Avenue workshop by the lapidary. The diamonds are bead set. Azures (cut outs) behind the gemstones and diamonds allow maximum light to shine through this piece, illustrating the finest principles of jewelry manufacturing. It is stamped with the makers mark, 18K, and serial number 74869. Comes in an Oscar Heyman brooch box. This brooch measures 49mm x 30mm x 11mm. It has a standard rollover safety clasp. It is light enough to wear on a shirt without pulling. Bows are a timeless ornament and this gemstone-encrusted version even more so! Oscar Heyman was founded in 1912 and became known as the 'Jewelers' Jeweler'® for creating pieces for Van Cleef & Arpels, Cartier, and Tiffany & Co. Oscar Heyman jewelry...

Oscar Heyman platinum Union Jack flag lapel pin contains custom cut rubies (0.76cts), sapphires (0.64cts) and round diamonds (0.05cts). It is a gently w...

Vintage Jade Brooch From ANGELETTI PRIVATE COLLECTION White and Yellow gold 18kt with Diamonds and Rubies. This Brooch was Manufactured in ‘60s in...

Art deco pearls adorn this 14K gold triangular brooch/pendant decorated with floral motifs. Can be worn as a brooch, or attached to a chain and worn as a pendant. ... Tags, Marks, ...

Art Deco silver Broach set with a large onyx in the middle and marcasites, English ca 1930's One marcasite is missing, see pictures

Cameo on blue-gray agate featuring a young woman looking toward the right. The artist intricately sculpted the white vein of the agate to bring the delicate profile to life. The youn...

Lucky Scottish sterling silver horseshoe stickpin. The hand engraved top set with green Bloodstone from the Isle of Rum and red Campsie Fells Jaspe...

Blue, fancy pink sapphires and diamonds are set in 18kt yellow gold and platinum in this whimsically classic floral pansy pin. Consisting of 48 mixed cut blue sapphires, 5 round cut blue sapphires, 30 round cut fancy pink sapphires, and 28 round brilliant cut diamonds. This pin measures approximately 1" in height. Stamped by Oscar Heyman Brothers for "Tiffany & Co.", serial no. "74551". *Shreve, Crump & Low Graduate Gemologist commentary: The Oscar Heyman Brothers pansy pin remains one of the most iconic brooch designs of the 20th century. Created in many combinations of gemstones, these special pins are a staple of any fine jewelry collector's gem box...

Art Deco Sterling Silver Flower Pin with Marcasite and Onyx, English ca 1930's

This whimsical floral motif brooch is comprised of 18 karat yellow and white gold and consists of step-cut rubies having an estimated total weight of 13 carats, 7 round brilliant dia...