Bonhams will offer the “Kat Florence Lumina” at its May 22 jewelry auction.
Protect Your Customers and Your Business
The risk of laboratory-grown diamonds being falsely presented as natural diamonds presents a very significant danger to consumer trust.

Brought To You By GIA
One of the most pressing challenges facing the diamond industry is the risk of laboratory-grown diamonds being falsely presented as natural diamonds. It is a problem that presents a very significant danger to consumer trust in the trade and one that GIA has been monitoring closely.
The Challenge of Distinguishing Laboratory-Grown from Natural Diamonds
GIA iD100®: Your Defense Against False Natural Diamonds
Complimentary GIA Report Confirmation Service
“Combatting this fraud is vital to protecting the public and ensuring their confidence in gems and jewelry – this is GIA’s mission,” said GIA President and CEO Susan Jacques.
“We, like Tiffany, Cartier and other well-known global companies who are vigilant about protecting their valuable brands from counterfeiting and fraud, will take vigorous action to protect GIA and the trust consumers place in us.”
The Latest

In March 2022, the men went into a jewelry store in Beverly Hills and smashed the display cases with sledgehammers and crowbars.

The 51 unique watches from Sotheby’s three-day sale and immersive exhibition all found buyers, with the top lot selling for $229,955.

The company has acquired Australian jewelry insurance provider Jewellers Loop.


Beau Lotto’s immersive presentation will be a blend of neuroscience, art, and entertainment.

A pink topaz Belle Époque pendant-brooch and a Victorian Egyptian Revival choker were also highlights at a recent Anderson & Garland sale.

Bench jewelers spend years honing their skills, Jewelers of America’s Certification validates their talents.

The event, which will co-locate with the Monterey Bay Jade Festival, will bring education sessions focused on jade to the United States.

The charm is a celebration of springtime as April showers bring May flowers with the piece’s cluster of diamond raindrops.

The National Retail Federation expects retail sales growth to return to pre-pandemic levels as consumers continue to face inflation.

The 4-carat, old mine brilliant-cut diamond engagement ring was co-designed by Willis and New York City-based brand Karina Noel.

Rio Tinto unearthed the diamond at its Diavik mine in Canada’s Northwest Territories.

The multisensory experience, open April 8-13, will feature the brand’s silver creations among dream-like scenes of natural landscapes.

The virtual event will take place April 7 at 3 p.m.

The pieces in “Animali Tarallo” portray animals from stingrays to elephants through portraits and interpretations of their patterns.

Parent company Saks Global said the iconic location will be open through the holiday season as it decides what to do with the space.

Ronald Winston, son of Harry Winston, donated the diamonds to the Smithsonian National Museum of Natural History in Washington, D.C.

The educational event will take place in Charlotte, North Carolina, this May.

The independent jeweler first opened its doors in 1888.

The layoffs come amid the TV shopping channel’s efforts to restructure and focus on live shopping through social media.

The debut event will take place in Miami’s Coconut Grove neighborhood this fall.

The roundtable will take place May 17 ahead of the trade show’s welcome dinner.

The “Peanuts x Monica Rich Kosann” collection features the comic strip’s classic vocabulary across 10 bracelet designs.

Three industry experts dive into the complexities of the material often marketed as an “ethical” alternative for metal in jewelry.

Diamonds are not only one of the most prominent gemstones, but the birthstone for those born in April.

The Utah-based company known for making wedding bands has acquired Doubloon Golf.