"I have been a loyal customer of Gemcal for over a decade. Gemcal provides the very best in red spinels and other beautiful gems from Southeast Asia. Beautiful colors and cutting, accurate descriptions, impeccable providence and wonderful customer service. I enthusiastically recommend Gemcal to all gem lovers!"
Greg Mullen (PHD) 
Oklahoma City

"Gemcal and I go way back, since they introduced their Red Spinel collection at the Tucson Gem Show in 1997. I have used their Red Spinels in number of my finest creations and it looks like we are on the same page ever since."
Whitney Abrams 
whitneyabramsjewelry.com

“I have been an enthusiastic customer for over a decade! Gemcal combines top, pure clean quality of material with modern precision cutting  (not common dull native or step cuts) to bring out ALL of the potential in the best of visual outcomes . . . A Gem, EVERY Time.”
Rene Criss
Federal Way Custom Jewelers
fwcj.com