No reserve - 8.20 ct Natural Gray Diamond - Rough- 1.64 g - (4) #collectible gems #gemstone geology #gray diamond #natural crystals #natural diamond #rare diamonds #rough gemstone
No reserve - 9.10 ct Natural Gray Diamond - Rough- 1.82 g - (4) #diamond rough #gem collector #gray diamond #natural crystal #natural diamond #precious gem #precious stone #rare diamond #rough diamond #uncut diamond
