Colleen B. Rosenblat believes that “it is not we who select the jewelry, but the jewelry that selects us.” Based in Hamburg, Germany, she is known for her contemporary pieces that feature unconventional color and form along with fine materials like pearls, precious gemstones and gold and silver.
When she was a child, Rosenblat stumbled across some smoky quartz in the forest. It ignited a passion for gemology and jewelry that took her around the world. As a teenager, she used a handful of jewelry-making tools borrowed from a friend to craft her own pieces out of silver.
Trips to Australian and Indonesian gemstone mines solidified her focus, and Rosenblat applied to study at the Gemology Institute of America in Los Angeles. After graduation, she studied in Idar-Oberstein in Germany, finished a goldsmith apprenticeship in Frankfurt and earned a jewelry design diploma from Parsons School of Design in New York. She then split her time between the United States and Germany, working as a freelance goldsmith for several years before opening her own workshop and award-winning showroom in Hamburg.
Designed by American architect and interior designer Michael Gabellini, Rosenblat’s showroom luxuriously presents her jewelry. Handmade furniture by American woodworker George Nakashima complements the interior. In 2000, the American Institute of Architects in Philadelphia awarded it the Institute Honor Award for Interior Architecture.
Rosenblat continues to produce exquisite jewelry under her brand. Her work has been featured in high-end fashion magazines such as Vogue, Elle, Harper’s Bazaar, Vanity Fair, InStyle and GQ.
On 1stDibs, find a collection of Colleen B. Rosenblat rings, earrings, necklaces and more.
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Colleen B. Rosenblat South Sea Baroque Pearl Gold Necklace with Gold Clasp
By Colleen B. Rosenblat
Located in Hamburg, DE
Everyone should have one pearl necklace in his jewelry box, especially when it comes along with noble shiny southsea baroque pearls with a 22k yellow gold clasp topped off with Colle...
South Sea Pearl, 22k Gold, Yellow Gold, Gold
One of a Kind Ring in 18 Carat White Gold, with 1 Aquamarine of 140.4 ct
By Colleen B. Rosenblat
Located in Hamburg, DE
This very special cut could remind you of an iceberg. It has a length of 48 mm and a wide of 29 mm. The head of the ring is 24 mm high. Ring size: 54 (US 6.8) Designed by Colleen B. ...
Aquamarine, 18k Gold, White Gold
Certified 21.01 Carat African Paraiba Tourmalines Bracelet
By Colleen B. Rosenblat
Located in Hamburg, DE
Precious basics 18 carat white gold with african paraiba tourmalines 21.01 ct bracelet. Designed by Colleen B. Rosenblat.
Tourmaline, 18k Gold, White Gold
Colleen B. Rosenblat turquoise coral gold necklace
By Colleen B. Rosenblat
Located in Hamburg, DE
Double breasted turquoise necklace with a breathtaking coral clasp in 22k yellow gold. The clasp has the following dimensions: 75.5 mm length and 47.5 mm wide Designed by Coll...
Coral, Turquoise, 22k Gold, Yellow Gold
Colleen B. Rosenblat Chrysoprase Necklace
By Colleen B. Rosenblat
Located in Hamburg, DE
This chrysophrase necklace brings the spring into your life. The clasp is set in 18 K white gold. It is designed by Colleen B. Rosenblat.
Chrysophrase, 18k Gold, White Gold
Colleen B. Rosenblat Amber Gold Necklace
By Colleen B. Rosenblat
Located in Hamburg, DE
stunning and impressive handmade amber necklace in 22k yellow gold from the “one of a kind” collection by Colleen B. Rosenblat. This necklace is 55 cm long and between 4.5 cm and 5.6...
Amber, 22k Gold, Yellow Gold
Certified 6.2 Carat Rubellite Ring
By Colleen B. Rosenblat
Located in Hamburg, DE
Very beautiful 22kt hammered yellow gold ring set with a 6.2 ct Rubelite. The size is 8. Designed by Colleen B. Rosenblat
Rubelite, 22k Gold
Statement Earrings with African Paraiba Tourmalines of 28.13 Carat
By Colleen B. Rosenblat
Located in Hamburg, DE
Precious basics earrings with African paraiba tourmalines of 28.13 ct set in 18 carat white gold.
Tourmaline, 18k Gold, White Gold