A ring set with “hogback” diamonds, an early stone cut dating to around the 16th century, sold for more than $20,000 at a U.K. auction.
Gemstone Cutter Glenn Lehrer Dies at 71
An innovative artist inspired by the natural world, Lehrer is remembered for being a visionary and a shining light.

He was 71 years old.
A tribute written by his family was posted to Lehrer’s Facebook profile by Lehrer Designs Studio, the company he founded in 1980.
The post inspired an outpouring of love from the jewelry design and lapidary artist communities, several of whom noted the impact of Lehrer’s passion, kindness, talent, and beautiful soul.
Lehrer was born March 3, 1953, in California. He developed a passion for art and adventure early in life, according to the tribute.
His nearly 50-year career in gemstone carving and jewelry design began in the 1970s, when he traveled to India and established a spiritual connection to crystals and gemstones.
Lehrer was a largely self-taught lapidarist and goldsmith.
In college, he studied crystallography, gemology, and mineralogy, and in 1979, he received his graduate gemology degree in residence from the Gemological Institute of America, according to an “About” page on the Lehrer Designs website.
He was passionate about innovation and blending science and art.
Lehrer invented new gemstone cuts, including the patented TorusRing, a modern, faceted gemstone with a hole in the middle designed for setting another gemstone in.
He also enjoyed co-creating with other artists, including Mark Schneider, Paula Crevoshay, Gordon Aatlo, Kent Raible, Connie May, Marianne Hunter, and others.
Notably, he worked with fellow artist Lawrence Stoller to create the monumental rutilated quartz sculpture “Bahia,” weighing 426 lbs. It has been on exhibition at the Carnegie Museum in Pittsburgh, Philadelphia, and the Los Angeles Museum of Natural History, and currently, it hangs in the lobby of the GIA Carlsbad campus.
Crevoshay posted to Lehrer’s Facebook page saying, “We cherish our precious memories of all the wonderful times we spent with Glenn and Sharon dreaming up new projects and collaborating on bringing them to fruition. Glenn was noble of spirit, kind and generous, and an artistic genius. Our whole world is enriched by his legacy.”
Lehrer won numerous awards for his designs, including several American Gem Trade Association (AGTA) Spectrum and Cutting Edge lapidary awards.
His work has also been featured on the covers of industry trade magazine the Lapidary Journal several times, and his gemstone carvings and jewelry designs are in museums and private collections worldwide.
Lehrer loved to share his passion, appearing on television programs such as QVC and Gemporia for his gem cutting knowledge.
He also authored the 2016 book, “In Quest of the Indescribable: The Artistry and Life of a Gem Carver.”
Lehrer volunteered his time to the jewelry industry in several ways.
He was a member of AGTA and served on the board of directors for 10 years, where, as chair of the constitution committee, he contributed to the re-writing of AGTA's constitution and bylaws, according to the Lehrer Designs website.
Lehrer was given a lifetime honorary membership with the International Colored Gemstone Association (ICA) for his work consulting with the board and staff to re-write and update their constitution and bylaws, the web page said.
He also served on the board of trustees for UK-based nonprofit Colourful Life Foundation, an organization committed to helping improve health and education initiatives and foster sound environmental practices in gemstone mining and cutting communities in the developing world, the Lehrer Designs website said.
Lehrer’s work was inspired by the natural world around him.
Growing up riding a longboard in Los Angeles later turned to surfing on the coast of Northern California, particularly Rodeo Beach and Fort Cronkhite near the Golden Gate Bridge, where Lehrer was inspired by the fluidity and motion of waves in the ocean.
The exhilaration and peace he found in its rhythm influenced the sense of movement and natural beauty seen in his creations.
In addition to surfing, Lehrer had a deep love of horseback riding, finding a sense of peace and connection to the natural world through exploring coastal trails. He was member of the National Park Service’s horse patrol for the Marin Headlands in the Golden Gate National Recreation Area.
Lehrer had a deep and abiding love for his wife of 45 years, Sharon, and considered their partnership a cornerstone of his life, the tribute said.
Family was central to his life; he cherished his childhood, often speaking of how his older brother Wayne constantly inspired and encouraged him to pursue his passions.
Lehrer is survived by his wife, Sharon; his two brothers, Harvey and Wayne; and a handful of nephews and nieces, as well as many friends, colleagues, and admirers.
In lieu of flowers, the family encourages readers to contact GIA about creating a scholarship in honor of Lehrer.
Donations can be made directly to GIA in remembrance of Lehrer at scholarship@gia.edu.
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