The rare jewel, which has links to Russia’s Romanov dynasty, is estimated to fetch up to $2 million.
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

It is one of several seizures of counterfeit jewelry and watches by U.S. Customs and Border Protection officials in Louisville this year.

Jewelers of America announced the additions to its board of directors following its annual general meeting, held last week.

With customization becoming more expected in engagement ring shopping, the Bridal Builder makes the process tangible.

The jewelry collection supports Yamaguchi’s Always Dream foundation, which provides reading and educational resources to families in need.


Spectrum’s “Best of Show” honors went to a 101-carat Paraiba carved to look like Medusa that has a magnet-activated LED light.

Our Halloween Pieces of the Week are four “Eye” pendants, each set with colorful gemstones.

A Diamond Is Forever's holiday campaign reimagines natural diamond icons for a new generation celebrating individuality.

Alexis Hoopes expanded eBay’s “Authenticity Guarantee” program during her tenure.

The Rolex-owned retailer’s new 4,700-square-foot store’s façade honors the Pacific Northwest’s evergreen forests.

Get into the Halloween spirit with this roundup of 13 spooky jewels.

Cahoon was appointed strategic account and educational program manager at Gesswein, which recently joined Continental Buying Group.

Tiffany & Co.’s latest ambassador makes her debut in its “Love Is a Gift” holiday campaign.

Jaythan Gilder was found guilty of robbery and grand theft after stealing and then ingesting nearly $800,000 worth of Tiffany & Co. jewelry.

Consumer confidence remains on the long-term downward trend that’s persisted over the past few years, said a Conference Board economist.

The holiday campaign includes key jewelry trends, a curated holiday gift guide, and resources to help jewelers prepare for holiday shoppers.

The “Icons” holiday campaign spotlights four classic diamond jewelry styles reimagined in “Desert Diamond” tones.

Solomon Brothers, which has three stores in the Metro Atlanta area, said it may continue to acquire other independent jewelers.

The fine jewelry brand raised $2.3 million at its annual gala that supports the nonprofit’s fight against blood cancer and blood disorders.

The annual fundraising event is slated for June 6, 2027, at The Venetian Resort in Las Vegas.

In her “Vantage” collection, Lau explores heritage, identity, and inner strength through designs featuring blue-green Guatemalan jade.

The jeweler gave the public backstage tours of its flagship store and its design and innovation workshop as part of LVMH’s open house.

Vote for which jewelry professional should dress up as a monster to support Jewelers for Children’s annual Halloween fundraiser.

The closure is part of a global restructuring that also includes PGI winding down its operations in Japan, South Korea, and Hong Kong.

The ring, our Piece of the Week, was designed by eight-year breast cancer survivor Rachel Chalchinsky of Color Source Gems.

The website offers enhanced member benefit access, industry directories, educational resources, a job board, and access to the MJSA Journal.

Boucheron and Pomellato had a strong third quarter, with Kering looking at jewelry as an increasingly important part of its portfolio.























