BLUE SPINEL: the BIGGEST MOST VALUED GEMSTONE by Yavorskyy IVY / YAVORSKYY Gems, Travel & Knowledge 7:38 4 years ago 82 185 Скачать Далее
Aaron Palke: "Unraveling the Causes of Color in Blue Spinels” GIA (Gemological Institute of America) 21:20 5 years ago 2 625 Скачать Далее
Cobalt Blue Spinel Ring at 4.02ct By Kat Florence KF07409 Kat Florence Atelier 2:27 9 months ago 183 Скачать Далее
NATURAL COBALT SPINEL FROM SRI LANKA - UNDERGROUND MINING IN RATNAPURA Danu Group 2:23 3 years ago 1 740 Скачать Далее
Cobalt Blue Spinels from Luc Yen, Vietnam 🇻🇳 Collection 2023! The new generation on the move! IVY / YAVORSKYY Gems, Travel & Knowledge 3:27 1 year ago 2 649 Скачать Далее
Blue Spinel 2.20 carats from Vietnam - 100% Unheated & Untreated - Very Rare! Thai Native Gems 0:36 7 years ago 2 374 Скачать Далее
Rare Verity of Spinel Family, Natural Cobalt Spinel for your gemstone desire Danu Group 0:29 5 years ago 453 Скачать Далее
Finest electric blue cobalt spinel from Luc Yen district in Vietnam Balder Gems 0:28 7 years ago 1 478 Скачать Далее
Luc Yen Neon Cobalt Blue Spinel Ring 1.50 carats by Kat Florence Kat Florence Atelier 1:48 2 years ago 210 Скачать Далее
