#boron trace

Natural blue rough diamond - sparkling - 3.31 carats - No reserve price Rough- 0.66 g

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Diamond 27 Ct blue raw rough lot for ring making- 5 g

#blue diamond #boron trace #gem cutting #high value #natural gemstones #rough diamond

Diamond 24 Ct Blue Rough Diamond Lot Uncut Raw Rough- 4 g

#blue diamond #boron trace #luxury gems #natural color diamond #rare gemstones #rough diamond #uncut gemstone