Supplier News: Week of Oct. 20

By Brittany Siminitz | October 20, 2025

Smiling Rocks Joins RJC

Lab-grown diamond brand Smiling Rocks has been appointed a member of the Responsible Jewellery Council (RJC), reinforcing the company’s commitment to sustainable and ethical jewelry practices.

“We are incredibly proud to join the most renowned organization championing ethical and responsible practices in the diamond and jewelry world,” said Zulu Ghevriya, CEO and cofounder of Smiling Rocks, in a statement. “Being one of the first lab-grown diamond jewelry brands to become an RJC member is a testament to our unwavering commitment to sustainability and transparency.”

Oscar Heyman Releases Holiday Catalog

New York–based jeweler Oscar Heyman has debuted its 2025 holiday catalog, featuring over 100 one-of-a-kind creations made in the company’s Madison Avenue atelier.

*Oscar Heyman paraiba drop earrings, paraiba ring, and paraiba pendant*

“This book is a beautiful collection of superlative gems ranging from traditional—rubies, emeralds, sapphires—to esoteric, [including] alexandrites, paraibas, cat’s eye chyrosberyls),” said brand president Tom Heyman in a statement. “This catalog showcases our ongoing commitment to being the best colored gemstone brand in the world and features styles that showcase our approach to refined, timeless design.”

Heyman said, “Our team of expert designers, lapidaries, setters, engravers, jewelers, and polishers have been working diligently to transform exceptional stones into luxurious treasures. Producing these requires old-world craft, rigorous training, and modern technology, and each piece can take weeks, months, and even years to finish.”

Top: Earrings with 9.45 cts. t.w. lab-grown diamonds in 14k white gold, $10,199; Smiling Rocks