Colleen B. Rosenblat Cocktail Rings
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.
2010s German Contemporary Colleen B. Rosenblat Cocktail Rings
Amethyst, 18k Gold, Rose Gold
2010s German Contemporary Colleen B. Rosenblat Cocktail Rings
Tourmaline, 18k Gold, Rose Gold
2010s German Contemporary Colleen B. Rosenblat Cocktail Rings
Amethyst, 18k Gold, White Gold
Early 2000s German Contemporary Colleen B. Rosenblat Cocktail Rings
Beryl, 18k Gold, White Gold
2010s German Contemporary Colleen B. Rosenblat Cocktail Rings
Zircon, White Gold
2010s German Contemporary Colleen B. Rosenblat Cocktail Rings
Tanzanite, 18k Gold, White Gold
2010s German Contemporary Colleen B. Rosenblat Cocktail Rings
Diamond, 18k Gold, White Gold
2010s German Contemporary Colleen B. Rosenblat Cocktail Rings
Amethyst, 18k Gold, Rose Gold, Gold
2010s German Modern Colleen B. Rosenblat Cocktail Rings
Amethyst, 18k Gold, Rose Gold
2010s German Contemporary Colleen B. Rosenblat Cocktail Rings
Emerald, 18k Gold, White Gold
Early 2000s German Colleen B. Rosenblat Cocktail Rings
Topaz, 18k Gold, Rose Gold
2010s German Contemporary Colleen B. Rosenblat Cocktail Rings
Quartz, 18k Gold, White Gold
2010s German Egyptian Revival Colleen B. Rosenblat Cocktail Rings
Garnet, Moonstone, 18k Gold, White Gold
2010s German Colleen B. Rosenblat Cocktail Rings
Morganite, Sapphire, 18k Gold, Rose Gold
2010s German Contemporary Colleen B. Rosenblat Cocktail Rings
Aquamarine, 18k Gold, White Gold
1990s German Contemporary Colleen B. Rosenblat Cocktail Rings
Aquamarine, 18k Gold, White Gold
2010s German Contemporary Colleen B. Rosenblat Cocktail Rings
Citrine, 18k Gold, White Gold
1990s German Contemporary Colleen B. Rosenblat Cocktail Rings
Tanzanite, 18k Gold, White Gold
2010s German Colleen B. Rosenblat Cocktail Rings
Tourmaline, 18k Gold, White Gold
2010s German Modern Colleen B. Rosenblat Cocktail Rings
Diamond, Pearl, 18k Gold, White Gold
Early 2000s German Retro Colleen B. Rosenblat Cocktail Rings
Amethyst, Garnet, 18k Gold, Rose Gold
Early 2000s German Contemporary Colleen B. Rosenblat Cocktail Rings
Aquamarine, 18k Gold, White Gold
Early 2000s German Colleen B. Rosenblat Cocktail Rings
Kunzite, Sapphire, 18k Gold, White Gold
2010s German Art Deco Colleen B. Rosenblat Cocktail Rings
Garnet, Sapphire, 18k Gold, White Gold
2010s German Colleen B. Rosenblat Cocktail Rings
Yellow Beryl, Beryl, Diamond, Rose Gold, 18k Gold
2010s Swiss Contemporary Colleen B. Rosenblat Cocktail Rings
Beryl, Diamond, Yellow Beryl, White Gold, 18k Gold
21st Century and Contemporary Belgian Contemporary Colleen B. Rosenblat Cocktail Rings
Beryl, Tourmaline, Green Beryl, Diamond, White Gold
21st Century and Contemporary Belgian Contemporary Colleen B. Rosenblat Cocktail Rings
Beryl, Green Beryl, Diamond, White Gold
21st Century and Contemporary Belgian Contemporary Colleen B. Rosenblat Cocktail Rings
Tourmaline, Diamond, Rose Gold
2010s Unknown Art Deco Colleen B. Rosenblat Cocktail Rings
Sapphire, Purple Sapphire, Silver, Sterling Silver
21st Century and Contemporary Italian Contemporary Colleen B. Rosenblat Cocktail Rings
Tourmaline, Paraiba, Gold, 18k Gold, Rose Gold
21st Century and Contemporary Italian Colleen B. Rosenblat Cocktail Rings
Zircon, Blue Zircon, 18k Gold, Yellow Gold
21st Century and Contemporary Italian Colleen B. Rosenblat Cocktail Rings
Tanzanite, White Diamond, 18k Gold, White Gold, Gold
2010s American Colleen B. Rosenblat Cocktail Rings
Diamond, White Diamond, 18k Gold, Rose Gold
1970s British Vintage Colleen B. Rosenblat Cocktail Rings
Amethyst, Gold
21st Century and Contemporary Art Deco Colleen B. Rosenblat Cocktail Rings
Emerald, Gold, 18k Gold, 9k Gold, Yellow Gold
2010s German Contemporary Colleen B. Rosenblat Cocktail Rings
Quartz, Tourmaline, 18k Gold, White Gold
2010s German Contemporary Colleen B. Rosenblat Cocktail Rings
Tourmaline, 18k Gold, White Gold
2010s German Egyptian Revival Colleen B. Rosenblat Cocktail Rings
Aquamarine, Tourmaline, 18k Gold, Rose Gold
2010s German Egyptian Revival Colleen B. Rosenblat Cocktail Rings
Diamond, Moonstone, 18k Gold, White Gold
21st Century and Contemporary German Contemporary Colleen B. Rosenblat Cocktail Rings
Tourmaline, 18k Gold, White Gold
21st Century and Contemporary German Egyptian Revival Colleen B. Rosenblat Cocktail Rings
Garnet, Moonstone, 18k Gold, White Gold
21st Century and Contemporary German Contemporary Colleen B. Rosenblat Cocktail Rings
Diamond, Morganite, 18k Gold, Rose Gold
21st Century and Contemporary German Egyptian Revival Colleen B. Rosenblat Cocktail Rings
Coral, Tourmaline, 18k Gold, Yellow Gold
2010s German Contemporary Colleen B. Rosenblat Cocktail Rings
Diamond, Onyx, 18k Gold, White Gold
2010s German Egyptian Revival Colleen B. Rosenblat Cocktail Rings
Sapphire, Turquoise, 18k Gold, Yellow Gold
2010s German Contemporary Colleen B. Rosenblat Cocktail Rings
Emerald, Tiger's Eye, 18k Gold, Yellow Gold
2010s German Egyptian Revival Colleen B. Rosenblat Cocktail Rings
Moonstone, Tourmaline, 18k Gold, White Gold