From the oldest to the largest to the most popular, find out how much you know about the hardest substance on Earth.

Michelle Graff

Many jewelry designers are striving to create beautiful pieces of jewelry that don’t negatively impact the Earth.

Amanda Gizzi

Originally intended for two Black aspiring jewelry professionals, three individuals will have their gemology education fully funded.

Ashley Davis

The luxury titan’s jewelry and watch brands kicked off the year on a high note.

Lenore Fedow

Its new parent company relaunched the 195-year-old retailer as an online-only player.

Brecken Branstrator

Moshe Salem, a member since the 1980s, was re-elected as president.

Lenore Fedow

Duvall O’Steen and Jen Cullen Williams on why jewelers should utilize two big audio platforms: podcasts and Clubhouse.

The D-color, internally flawless diamond leads the Geneva Magnificent Jewels auction.

Ashley Davis

Friedrich Jewelers owners Doug and Jacki Friedrich are ready for retirement.

Lenore Fedow

The Swiss lab reveals how stones from the Panjshir Valley are both different from and similar to emeralds from other places.

Brecken Branstrator

The reminder follows a frightening incident at a store in California.

Lenore Fedow

The survey showed Americans are becoming more optimistic about their financial futures and view precious jewelry as an important category.

Ashley Davis

Ahna Shmuel returns to the company to head brand management as well as oversee the jewelry division.

Michelle Graff

Former Rakuten executive Arjen van de Vall will take the reins at the pre-owned watch retailer.

Lenore Fedow

Millennials were once feared in the diamond industry, but now this younger generation has become today’s largest diamond buying demographic.

Sotheby’s created an Instagram filter for the crown, estimated to sell for up to $1.5 million.

Brecken Branstrator

Another round of stimulus checks helped to bolster last month’s retail sales.

Lenore Fedow

It showcases 2021 and 2022 styles, with most ready to ship from Dallas, Texas.

Colorful gems enliven a classic celestial motif.

Ashley Davis

The jewelry retailer named a new chief operating officer and senior vice president of supply chain.

Lenore Fedow

All six styles are priced under $2,000.

Ashley Davis

Diamonds must receive a grade of “excellent” across eight criteria to be deemed an 8X.

Michelle Graff

The facility will take advantage of its location in the colored stone hub with a division dedicated to geographic origin and identification.

Brecken Branstrator

The new Oyster Perpetual models include palm leaf dials on the Datejust 36 and a Daytona that’s out of this world, literally.

Michelle Graff

This is the first fiscal quarter that includes the recently acquired Tiffany & Co.

Lenore Fedow