The recent high jewelry auction, which also featured the sale of a 10-carat blue diamond, was “a celebration of color.”

Lauren McLemore

The lab is seeing emeralds with filler added post-testing enter the market, accompanied by reports that indicate little to no treatment.

Lauren McLemore

Its app now reflects increased prices for Mozambique ruby, as well as changes to its Burma ruby charts.

Lauren McLemore

Here are 13 small charms to inspire your layered looks this summer.

Amanda Gizzi

It was a banner day for blue gemstones, with another blue diamond topping $8 million and a 41-carat sapphire going for $2.3 million.

Lauren McLemore

Those born in June can celebrate with pearl, alexandrite, and moonstone jewelry.

Amanda Gizzi

A private collection of five Paraíba tourmalines also will be up for sale at Sotheby’s High Jewelry auction in New York, scheduled for June 16.

Lauren McLemore

The miner said demand for higher-quality emeralds is stable, but there is notable caution in the market.

Lauren McLemore

The “Bauble” capsule collection of colorful one-of-a-kinds includes our Piece of the Week, the “Bauble” earrings, featuring rose zircon.

Natalie Francisco

The jewel, circa 1890, is from the late Victorian era and was owned by descendants of the last high king of Ireland.

Lauren McLemore

The next generation of lapidarists are entrepreneurial, engaged online, and see the craft as a means for artistic expression.

Lauren McLemore

It was the second auction appearance for the fancy vivid blue-green diamond, which sold for $7.8 million at Christie’s Geneva 12 years ago.

Lauren McLemore

May babies are lucky to have emeralds, a gemstone admired for centuries, as their birthstone, writes Amanda Gizzi.

Amanda Gizzi

The “Eclipse” jewelry collection captures the fleeting moment where light and shadow align though onyx, diamonds, and freshwater pearls.

Natalie Francisco

The largest known fancy vivid blue-green diamond could fetch more than $12 million at its second auction appearance.

Lauren McLemore

Presented by Mason-Kay Jade, the summit, in its second year, will again be held during the Monterey Bay Jade Festival.

Lauren McLemore

The Alan Hodgkinson Medal recognizes gemologists who are consistently generous with their time and expertise.

Lauren McLemore

With their durability, brilliance, and beauty, diamonds are the perfect stone for everyday birthstone jewelry.

Amanda Gizzi

Founder Erica Silverglide has designed 35 colorful pieces set with fluorescing gemstones for the brand's first finished jewelry offering.

Lauren McLemore

Both its mines faced challenges last year, from operational issues to disruptions in the market.

Lauren McLemore

The new catalog, which showcases 35 one-of-a-kind pieces of jewelry, is a compliment to the company’s popular holiday catalog.

Natalie Francisco

Wiley said the project will give scientists worldwide access to the American Museum of Natural’s History renowned mineral collection.

Lauren McLemore

The Brazilian mine’s new collection features cabochons in soft, muted shades like silver and lilac.

Lauren McLemore

The live fine jewelry auction will take place later this week, showcasing antique pieces, rare gemstones, and signed jewels.

Lauren McLemore

McCormack looked to the 19th century’s “golden age” of astronomy when designing her new celestial-themed collection.

Natalie Francisco