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 Peridot Aquamarine White Gold Earrings
By Colleen B. Rosenblat
Located in Hamburg, DE
These 18k white gold earrings with two enticing peridots 17.55 ct and two shimmering aquamarine 3.55 ct are from the beautiful pure design by Colleen B. Rosenblat.
Aquamarine, Peridot, 18k Gold, White Gold
Colleen B. Rosenblat Tourmaline Garnet Gold Scarab and Box
By Colleen B. Rosenblat
Located in Hamburg, DE
Box of Scarab with 22K yellow gold, 1 green tourmaline 212ct., 4 red garnet 3,24ct. and 4 green tourmaline 3,76ct.
Garnet, Tourmaline, 22k Gold, Yellow Gold
4.56 Carat Brazilian Paraiba Tourmaline Emeralds Studs
By Colleen B. Rosenblat
Located in Hamburg, DE
Stunning Studs with 2 Emeralds 8.34 Carat and very rare Brazilian Paraiba Tourmaline 4.56 Carat. The earrings are unique. 18 Carat White G...
Emerald, Tourmaline, 18k Gold, White Gold
Colleen B. Rosenblat Stunning Lapis Lazuli Gold Necklace
By Colleen B. Rosenblat
Located in Hamburg, DE
Colleen B. Rosenblat designed this stunning necklace with 26 lapis lazuli with 22k yellow gold hammered gold pieces in between. Width of lapis lazuli balls: 15.5 mm
Lapis Lazuli, 22k Gold, Yellow Gold
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
Certified 51.21 Carat Mandarine-Garnet Rose Gold Cocktail Ring
By Colleen B. Rosenblat
Located in Hamburg, DE
An eye-catching piece. 18 carat rose gold cocktailring. With an unique Mandarine-Garnet 51.21 ct and 2 Amethysts 2.41 ct in all. The Ring has been designed and handcrafted by Colleen...
Amethyst, Garnet, Mandarin Garnet, 18k Gold, Rose Gold
Colleen B. Rosenblat beryl gold ring
By Colleen B. Rosenblat
Located in Hamburg, DE
The beryl has 33.97 ct it sits exposed in the beautiful white gold setting. Designed by Colleen B. Rosenblat. Ring size: 57
Beryl, 18k Gold, White Gold
Certified 31.70 Carat Rose Quartz Scarab Ring
By Colleen B. Rosenblat
Located in Hamburg, DE
In old Egypt the scarab was a symbol for resurrection and life and since that time a lucky charm for everyone. This desirable 18k rose gold ring have a 31.70...
Quartz, 18k Gold, Rose Gold