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.
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 White Gold Earrings
By Colleen B. Rosenblat
Located in Hamburg, DE
Studs in 18k white gold with 8 green Tourmalines 11,3 ct. Designed by Colleen B. Rosenblat
Tourmaline, 18k Gold, White 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
Le Carré Earrings in 18 Carat White Gold 2 Tourmalines 1.47 Carat
By Colleen B. Rosenblat
Located in Hamburg, DE
Le Carré Hoop Earrings in 18 Carat White Gold with 2 Deep Green Tourmalines of 1.47 Carat in a Carré Cut.
Tourmaline, 18k Gold, White Gold
Colleen B. Rosenblat Tanzanite Amethyst Gold Earrings
By Colleen B. Rosenblat
Located in Hamburg, DE
Earrings in 18k white gold with two tanzanite 3.81 ct and two amethyst 15.24 ct. Designed by Colleen B. Rosenblat
Amethyst, Tanzanite, 18k Gold, White Gold
Sapphires and Moon Stones White Gold Earrings
By Colleen B. Rosenblat
Located in Hamburg, DE
This exquisite pair of earrings are hand crafted in 18K white gold with 2 sapphires 3.49 ct each and 2 lovely oval moon stones 31.64 ct each and 118 sapphi...
Moonstone, Blue Sapphire, Sapphire, 18k Gold, White Gold
Earrings in Platinum with 2 green Paraiba Tourmaline Cabouchons and 2 Diamonds
By Thomas Leyser
Located in Idar-Oberstein, DE
These 950/ Platinum (18.5g) Pair of Earrings are set with 2x fine Paraiba Tourmalines (cushion shap, 10.5x8.5mm) + 2x Diamonds (Brilliant-cut, D/VS, round, 3.5mm, 0.27cts). Paraiba ...
Diamond, Tourmaline, Paraiba, Platinum
Earrings in Platinum with 2 green Paraiba Tourmaline Pearshapes and 6 Diamonds
By Thomas Leyser
Located in Idar-Oberstein, DE
This pair of 950/ Platinum (7.50g) Drop Earrings are set with 2x fine blue/green Paraiba Tourmalines (facetted, pear-shape, 15x8mm, 7.93cts) + 6x Diamonds (Brilliant-cut, D/VS, round, 2.5-3mm, 0.36cts). Paraiba Tourmalines are very popular and rare gemstones. The color is electric neon blue/greenish and has a kind of fluoreszens caused by cupper inside. This effect gives those stones a magical glow and "lightning in the dusk", inside & outside. The gem is renowned for its light reflecting properties that create a mesmerising effect and ensures that this necklace looks spectacular from any angle. A gemstone that truely turns heads. The displayed hangers...
Large GUM DROP Earrings with Tsavorite and Dark Blue Topaz and Diamonds
By Christina Addison
Located in New York, NY
Christina Addison bespoke Large 18kt white gold GUM DROP™ earrings with tsavorite green garnet (approximately 5 cts each), dark blue topaz (approximately 12 cts each), and 4 diamonds...
Diamond, Garnet, Topaz, Tsavorite, 18k Gold, White Gold
Earrings in Platinum with 6 Paraiba Tourmaline Cabouchons and 2 Diamonds
By Thomas Leyser
Located in Idar-Oberstein, DE
These 950/ Platinum (17.6g) Pair of Earrings are set with 6x fine Paraiba Tourmalines (cab., various shapes, 10.26ct) + 2x Diamonds (Brilliant-cut, D/VS, round, 2.5mm, 0.24ct). Para...
Diamond, Tourmaline, Paraiba, Platinum
2.90ct NATURAL PARAIBA TOURMALINE WITH DIAMONDS Earrings
Located in Hong Kong, HK
Exquisitely crafted in 18K gold, these exceptional earrings showcase rare beauty of natural Paraíba tourmalines, celebrated for their vivid neon blue-green hue. The centerpiece stone...
Diamond, Tourmaline, Paraiba, 18k Gold, White Gold
Large Gum Drop Earrings with Green Amethyst and Pale Blue Topaz and Diamonds
By Christina Addison
Located in New York, NY
Large 18kt White Gold GUM DROP™ earrings with faceted Green Amethyst (approximately 5 cts each), faceted Pale Blue Topaz (approximately 12 cts each), and 4 diamonds weighing ~0.60 ct...
Amethyst, Diamond, Topaz, Citrine, Peridot, Tourmaline, Blue Topaz, 18k ...
