36 items on page from 66 in category
Cobalt blue spinel in cushion cut 4.03 carats, Tanzania photo
$46,345 / 11,500/ct
Bangkok, worldwide shipping
Rare cobalt blue spinel in cushion cut 2.03 carats, Tanzania photo
$1,929 / 950/ct
Bangkok, worldwide shipping
Octagon-cut deep blue spinel 3.29 carats, Tanzania photo
$1,481 / 450/ct
Geneva, worldwide shipping
Cushion-cut deeep blue spinel 5.90 carats, Tanzania photo
$2,655 / 450/ct
Geneva, worldwide shipping
Rare cobalt blue spinel in cushion cut 1.23 carats, Tanzania photo
$4,895 / 3,980/ct
Bangkok, worldwide shipping
Blue spinel in octagon cut 1.95 carats, Sri Lanka  photo
$1,326 / 680/ct
Bangkok, worldwide shipping
Blue-violet spinel in oval cut 3.00 carats, Tanzania photo
$4,380 / 1,460/ct
Bangkok, worldwide shipping
Cushion-cut blue spinel 2.13 carats, Tanzania photo
$1,725 / 810/ct
Bangkok, worldwide shipping
Intense blue cobalt spinel in oval cut 1.08 carats, Tanzania photo
$11,016 / 10,200/ct
Bangkok, worldwide shipping
Lavender purple spinel in heart shape 4.41 ct, Tanzania photo
$7,260 / 1,646/ct
On hold in Moscow
Rare cobalt blue spinel in cushion cut 3.94 carats, Tanzania photo
$7,486 / 1,900/ct
Available in Moscow
Set of blue-purple spinel from Tanzania 3.60 ct photo
$1,500 / 417/ct
Available in Moscow
Cushion cut lavender purple spinel 8.01 ct, Tanzania photo
$57,200 / 7,141/ct
Available in Moscow
Extremely rare cobalt spinel 0.51 ct, Vietnam, Lotus photo
$7,050 / 13,824/ct
Available in Moscow
Cushion-cut Burmese gray-blue spinel 8.05 carats photo
$28,980 / 3,600/ct
Bangkok, worldwide shipping
Beyond rare vietnamese cobalt blue spinel in cushion cut 1.58 carats, Luc Yen  photo
$44,240 / 28,000/ct
Bangkok, worldwide shipping
Unique collector's cobalt spinel with Electric blue color in oval cut 7.10 carats, Tanzania  photo
$229,330 / 32,300/ct
Bangkok, worldwide shipping
Cobalt blue spinel in cushion cut 3.02 carats, Tanzania photo
$1,933 / 640/ct
Available in Moscow
Pair of electric blue cobalt spinels in octagon cut 2.11ct, Tanzania photo
$20,889 / 9,900/ct
Bangkok, worldwide shipping
Unique GRS type Peacok blue cobalt spinel in oval cut 1.52 carats, Tanzania  photo
$30,400 / 20,000/ct
Bangkok, worldwide shipping
Cobalt blue spinel 1.47 ct in octagon cut from Tanzania photo
$2,573 / 1,750/ct
Available in Moscow
Cobalt blue spinel in ascher cut 0.92 carats, Tanzania photo
$736 / 800/ct
Available in Moscow
Сobalt blue spinel in octagon cut 1.01 ct from Tanzania photo
$1,263 / 1,250/ct
Available in Moscow
Contrasting pair of pink and blue cushion cut spinel 0.57 ct photo
$170 / 298/ct
Available in Moscow
Set of blue and purple pear-cut spinels 2.12 ct, Burma photo
$445 / 210/ct
Available in Moscow
Cushion cut blue spinel 1.66 ct, Burma photo
$465 / 280/ct
Available in Moscow
Pair of blue octagon cut spinels 0.89 ct, Burma photo
$1,023 / 1,149/ct
Available in Moscow
Cushion cut Burmese bluish gray spinel 1.04 ct photo
$395 / 380/ct
Available in Moscow
Asscher Cut Blue Spinel Set 1.80 ct photo
$450 / 250/ct
Available in Moscow
Cobalt blue spinel 2.45 carats, Tanzania photo
$4,600 / 1,878/ct
Available in Moscow
Cushion cut dark blue spinel 2.79 ct, Burma photo
$4,620 / 1,656/ct
Available in Moscow
Burmese blue cushion cut spinel 2.00 ct photo
$3,400 / 1,700/ct
Available in Moscow
Super rare Mahenge cobalt blue spinel in oval cut 3.02 carats, Tanzania  photo
$19,328
Item is sold
Rare cobalt blue spinel in octagon cut 2.11 carats, Tanzania photo
$11,078
Item is sold
Unique cobalt blue cushion cut spinel from Tanzania 7.08 ct, GRS photo
$148,000
Item is sold
Octagon-cut cobalt blue spinel 1.05 carats, Tanzania  photo
$4,568
Item is sold
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