Oval cut Cobalt Blue Spinel
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6 items
Intense blue cobalt spinel in oval cut 1.08 carats, Tanzania
$11,016 / 10,200/ct
Bangkok, worldwide shipping
Extremely rare cobalt spinel 0.51 ct, Vietnam, Lotus
$7,050 / 13,824/ct
Available in Moscow
Unique collector's cobalt spinel with Electric blue color in oval cut 7.10 carats, Tanzania
$229,330 / 32,300/ct
Bangkok, worldwide shipping
Unique GRS type Peacok blue cobalt spinel in oval cut 1.52 carats, Tanzania
$30,400 / 20,000/ct
Bangkok, worldwide shipping
Super rare Mahenge cobalt blue spinel in oval cut 3.02 carats, Tanzania
$19,328
Item is sold
Rare electric blue cobalt spinel from Tanzania in oval cut 5.34 ct
$186,900
Item is sold