Synthetic gem siv lead ua
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Nto ua txoj kev ntawm titanium-doped sapphire siv lead ua laser rods
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Synthetic Royal Blue Sapphire Gemstone raw khoom, ua los ntawm Al2O3, Precious lub pov haum nrog tus nqi thiab kev zoo nkauj
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Synthetic Cherry Blossom Pink Sapphire Gemstone, Internally Flawless, ci ntsa iab thiab ci ntsa iab, Siab Mohs Hardness, Zoo meej rau cov hniav nyiaj hniav kub zoo
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Synthetic Lavender Purple Sapphire Gemstone, ib leeg siv lead ua Al2O3 khoom, ci ntsa iab, Siab Mohs Hardness, Zoo meej rau cov hniav nyiaj hniav kub zoo
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Synthetic Emerald Green Sapphire Gemstone, Ib Leeg Crystal Al2O3 KhoomHigh Mohs Hardness ntawm 9, Zoo meej rau cov hniav nyiaj hniav kub zoo
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Lab-Tsim Ruby Rough Stone vivid liab Internally Flawless Rau Kev Tsim Khoom Siv
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Lab-Created Hiav Txwv Blue Raw Sapphire Gemstone, Mohs Hardness 9 Al₂O₃ Khoom siv rau kev tsim khoom lag luam
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Lilac YAG raw khoom hmoov xim liab hauv Tshuag
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Txiv duaj liab sapphire khoom Corundum gemstone rau lub nplhaib lossis caj dab
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Ruby npas siab hardness 9.0 ntawm 0.30MM txog 5.0MM sapphire bearing
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Paraiba Blue lab-ua raw genstone YAG khoom Lake ntsuab
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Fluorescent daj gemstone khoom Yellow luag tuaj yeem ua tiav