The company’s managing director of sales said the results demonstrate “continued strong demand for commercial-quality emeralds.”

Michelle Graff

The Latine-owned New York jeweler is marking two milestones this year: its 50th anniversary and the 25th anniversary of the 9/11 attacks.

Michelle Graff

The “Kat Florence Luminas” will be offered together as one lot and could fetch up to $637,000.

Lauren McLemore

The auction, held in Bangkok, was 96 percent sold by lot, with nearly 411,000 carats of Mozambiquan rubies sold.

Lauren McLemore

Learn more about the new terms for lab-grown diamonds and composite gemstones, and the major changes in store for precious metals jewelry.

Michelle Graff

With high durability and a wide range of colors to choose from, sapphires may be the ultimate birthstone, Gizzi claims.

Amanda Gizzi

The labs’ separate investigations each determined that the East African country is producing copper-bearing tourmaline.

Lauren McLemore

The association added the requirement to its revised "Code of Ethics" and released the 17th edition of its “Gemstone Information Manual.”

Lauren McLemore

The industry veterans join the podcast to discuss diamond marketing, the FTC Jewelry Guides, and lobbying for lower tariffs.

Founder Vik Westermann said the app is a “starting point” to inspire people to work with appraisers and gem labs, not replace them.

Lauren McLemore

Sponsored by American Gem Trade Association

The expanded collections now feature hand-cut gemstones like topaz, tanzanite, chrysoprase, chalcedony, smoky quartz, and fire opal.

Natalie Francisco

The gemstone supplier and manufacturer acquired the remarkable 104-gram Zambian emerald at Gemfields’ auction in May.

Lauren McLemore

Duvall O’Steen and Jen Cullen Williams share the best ways to display, present, and explain colored gemstones to younger customers.

While some August babies are team peridot, the month's time-honored birthstone, others are team spinel, the newer alternative.

Amanda Gizzi

The miner’s ruby and emerald auctions brought in a combined $102.9 million.

Lauren McLemore

The exhibition reveals the gemology, geology, and cultural history of the iconic red gemstone.

Lauren McLemore

The new tariff, imposed after a Trump administration study, is 25 percent and will stack on top of existing tariffs.

Michelle Graff

AGTA also has announced the lineup of judges for the colored gemstone cutting and jewelry design contest’s various categories.

Lauren McLemore

Whether celebrating America’s 250th birthday or the USA’s World Cup run, July birthstone jewelry can double as a patriotic accessory.

Amanda Gizzi

After eight years, Gilbertson is leaving his post at the mining company, which is currently facing a slew of operational challenges.

Lauren McLemore

The “Lady” collection is a new take on old beauty standards with gemstone-adorned hair pins and combs, a compact mirror necklace, and more.

Natalie Francisco

The new line is included in the e-tailer’s curation of jewelry celebrating America’s 250th anniversary.

Lauren McLemore

The new jewelry collection uses a colorful palette of onyx, malachite, tiger’s eye, mother-of-pearl, lapis, turquoise, and coral.

Natalie Francisco

The rainbow version of the ring, our Piece of the Week, features angel-cut, octahedral lab-grown sapphires designed to be worn as armor.

Natalie Francisco