Crafted in 14K white and yellow gold, this Croft & Stern original design features a 1.27ct semi-bezel set modified cushion-cut blue spinel. Accenting the spinel are 6=1.27ctw prong-set earth-mined round brilliant cut diamonds. This ring is made in finger size 9½ and finished in a bright polish.
Designed by Kurt Genereux
Designed and Manufactured at Croft & Stern in Maple Grove, MN
Collector’s Note
Blue spinel is one of the few gemstones that doesn’t need enhancement to be beautiful. The color is natural — no heat, no diffusion, no coating. This 1.27ct spinel draws its steely blue tone from trace iron, not cobalt, and it is not lab-grown spinel like the synthetic material used in class rings and souvenir jewelry.
Natural blue spinel is scarce because the conditions required to form it are uncommon. Crystals are typically small, and clean material with good color is even harder to find. Spinel’s crystal structure gives it a crisp, sharp brilliance that diamonds can’t imitate. It’s tough enough for everyday wear and rare enough that most people have never actually seen one in person. Collectors appreciate blue spinel because it offers honest color — no enhancements, no marketing gimmicks. Just a well-cut gem with depth and clarity, meant to be worn.
Crafted in 14K white and yellow gold, this Croft & Stern original design features a 1.27ct semi-bezel set modified cushion-cut blue spinel. Accenting the spinel are 6=1.27ctw prong-set earth-mined round brilliant cut diamonds. This ring is made in finger size 9½ and finished in a bright polish.
Designed by Kurt Genereux
Designed and Manufactured at Croft & Stern in Maple Grove, MN
Collector’s Note
Blue spinel is one of the few gemstones that doesn’t need enhancement to be beautiful. The color is natural — no heat, no diffusion, no coating. This 1.27ct spinel draws its steely blue tone from trace iron, not cobalt, and it is not lab-grown spinel like the synthetic material used in class rings and souvenir jewelry.
Natural blue spinel is scarce because the conditions required to form it are uncommon. Crystals are typically small, and clean material with good color is even harder to find. Spinel’s crystal structure gives it a crisp, sharp brilliance that diamonds can’t imitate. It’s tough enough for everyday wear and rare enough that most people have never actually seen one in person. Collectors appreciate blue spinel because it offers honest color — no enhancements, no marketing gimmicks. Just a well-cut gem with depth and clarity, meant to be worn.
