Hailing all the way from Luc Yen Vietnam is this Impressive 4.46 Carat Neon Blue Cobalt Spinel. It’s the biggest known in the United States and I only have heard and seen of two others that’s bigger. This 4.46 Carat Cobalt Spinel is 100% Natural unheated /untreated. You can own it today this once in a lifetime gemstone for $100,000
Retail is $50,000 per carat for a Luc Yen Cobalt Spinel in 4 carat.