During its Q3 call, CEO Efraim Grinberg discussed the deal to lower tariffs on Swiss-made watches, watch market trends, and more.
Meet the Showroom Bringing Cool Jewelry Brands Stateside
Rainbowwave represents a number of emerging and established fine jewelry brands.

Whenever an international fine jewelry brand with a unique point of view dips its toes in the American market there’s a good chance they’ve entered my purview via Rainbowwave.
Maria Lemos founded the fashion, accessories and jewelry sales showroom in London back in 2002.
Today it boasts a second office in New York City and, in addition to its staff of 45 sales professionals, a public relations and operations team.
The delightfully named company has been my introduction to brands like Venyx, Raphaele Canot and Yannis Sergakis.
Currently, the showroom represents 15 fine jewelers, including Nina Runsdorf, Ileana Makri, Nikolle Radi and Bibi van der Velden, as well as Canot and Sergakis.
A recent trip to the New York showroom introduced me to a whole new set of creatives I’d never heard of as well as a few brands planted firmly in my list of favorites like one of its few Americans, the Los Angeles-based Lizzie Mandler.
“We do not have a definitive selection criteria when it comes to style. However, one thing that we always look for is originality and craftsmanship,” Rainbowwave Jewelry Director Darren Hildrow explained of the company’s impressive cadre of designers.
“It is a joy to see designers who are brave enough to push the boundaries of design; too many fall into the trap of commerciality. Commerciality will make any designer money in the short term but will likely only lasts a couple of seasons. Originality, although a struggle in the beginning, will last a lifetime.”
Below is a highlight reel of non-commercial and boundary-pushing works I saw from designers new and established.
German designer Gisa Golpira launched Golpira as an ode to her childhood in South America, where her mother dug for gold. Golpira decided to honor gold’s natural nugget shape by incorporating the raw material into pendants, earrings and rings, sometimes accented with diamonds.
British jewelry veteran Pippa Small takes philanthropy to an unheard-of level with her Turquoise Mountain line, crafted by artisans she works with in depressed locations like Afghanistan.
Her namesake fine line is as entrancing as ever. Coiled rings and bracelets have a tribal quality that lends themselves well to her simple style, in which the materials do most of the talking, like these rubies.
Ileana Makri continues to expand on some of her favorite signatures, like an evil eye or baguette diamonds, which accent luxurious new
Out of Japan, Hum exemplifies the meticulous pursuit of perfection that characterizes much of Japanese design. The brand applies a sophisticated point of view to update classic chain link bracelets and rings with interesting metal alloys and pavé diamonds.
Speaking of perfection, Lizzie Mandler has just about perfected her gold chain with her signature knife-edge.
The designer elevates daily jewelry staples with her exacting attention to detail, honing in on ideal scale, shape and texture to create truly investment-worthy pieces.
The Latest

Rosior’s high jewelry cocktail ring with orange sapphires and green diamonds is the perfect Thanksgiving accessory.

The “Embrace Your True Colors” campaign features jewels with a vibrant color palette and poetry by Grammy-nominated artist Aja Monet.

How Jewelers of America’s 20 Under 40 are leading to ensure a brighter future for the jewelry industry.

Luxury veteran Alejandro Cuellar has stepped into the role at the Italian fine jewelry brand.


The company gave awards to four students at the Namibia University of Science & Technology, including one who is a Grandview Klein employee.

She is remembered as an artist who loved her craft and was devoted to her faith, her friends, and her family.

Roseco’s 704-page catalog showcases new lab-grown diamonds, findings, tools & more—available in print or interactive digital editions.

It joins the company’s other manufacturing facilities globally, including in India, Botswana, and Namibia.

The polka dot pattern transcends time and has re-emerged as a trend in jewelry through round-shaped gemstones.

Vanessa Hickman, 49, allegedly sold a diamond bracelet that was mistakenly sent to her home.

GIA’s former president and CEO was presented with the Richard T. Liddicoat Award for Distinguished Achievement.

Social media experts spoke about protecting brand reputation through behaving mindfully online.

In 2026, the three will come together as “House of Brands,” with Gallet sold in Breitling stores and Universal Genève sold separately.

The second drop, which includes more Elphaba-inspired pieces from additional designers, will continue to benefit nonprofit Dreams of Hope.

Second-generation jeweler Sean Dunn has taken on the role.

Amber Pepper’s main focus will be on digital innovation and engaging younger consumers.

Called “Origin by De Beers Group,” the loose, polished diamonds are being sold in a total of 30 stores in the United States and Canada.

The lariat necklace features a 4.88-carat oval-cut Zambian emerald in 18-karat yellow gold.

A 43-carat sapphire brooch from the Vanderbilt collection was the top lot of the Geneva sale.

Rau is a fourth-generation art and antique dealer from M.S. Rau gallery whose first jewelry collection merges artifacts with modern design.

Former De Beers sustainability leader Purvi Shah will take over the role in February 2026.

La Joux-Perret is based in La Chaux-de-Fonds, Switzerland, and makes solar quartz as well as mechanical watch movements.

She previously taught at Gem-A and is the founder of The Gem Academy.

The British actress and her daughter modeled pieces from the brand’s new “Palette” capsule for its “Once Upon a Time” holiday campaign.

Plus, the tech giant shares the steps retailers should take if they believe they’re a victim of a review extortion scam.

Danny and Gaby Shaftel are now Shaftel Diamonds’ CEO and chief operating officer, respectively.






















