Cobalt Blue
Top rated products
4.76 ct “Cobalt Blue”_Unheated Cobalt Blue Spinel
$21,600* Weight: 4.76 ct
* Size: 11.7 x 8 x 5.8 mm
* Cut: Elongated Cushion
* Color: Cobalt-Blue Spinel
* Enhancement: None (No Heat / Unheated)
0.99 ct “Congo Cobalt”_Unheated Blue Spinel
$1,710* Weight: 0.99 ct
* Size: 6.2 × 4.7 × 4.6 mm
* Cut: Oval
* Color: Cobalt-Blue
* Origin: Congo
* Treatment: None – Unheated
7.42 ct “Cobalt Azure”_Unheated Blue Spinel
$37,800* Weight: 7.42 ct
* Size: 12.6 × 10.4 × 6.5 mm
* Cut: Brilliant Cushion
* Color: Cobalt-Blue mirror-flash
* Origin: Mahenge (Tanzania)
* Treatment: None – Unheated