General3.15 Carat --Brazilian Cobalt Blue Tourmaline -- Cushion Cut--8 x 8 x 6mm
Oceanside, CA
$150Opening bid
3.60 Carat ---- Natural Blue Tanzanite ----Asscher Cut--- 9 x 9 x 5mm--not heated, up for auction in Oceanside, CA via California Gemstones. Opening bid $100. The auction opens December 6, 2026. BidDog points you to it - you bid on California Gemstones's own page.

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