Where is this auction lot located?

Oceanside, CA. The auction is run by California Gemstones.

What is the starting bid for this lot?

$100 (opening bid) as listed by California Gemstones.

How do I bid on this lot?

BidDog points you to the lot - you place your bid on California Gemstones's own auction page. BidDog never bids for you and never intermediates the sale.

← Back to the field

General

10.7 Carat -- Brazilian Blue Tourmaline -- Brilliant Trillion Cut --12.1 x 11.9 x 9.3mm, unheated

10.7 Carat -- Brazilian Blue Tourmaline -- Brilliant Trillion Cut --12.1 x 11.9 x 9.3mm, unheated, 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.

Opening bid$100

CategoryGeneral

LocationOceanside, CA

StatusON POINT

SaleOPENS DEC 6, 2026

Lot#1018

Auction houseCalifornia Gemstones

Bid at California Gemstones ↗

Scout points. You bid on the auction's own page. BidDog never bids for you.

Listed by California Gemstones · source listing: www.liveauctioneers.com

10.7 Carat -- Brazilian Blue Tourmaline -- Brilliant Trillion Cut --12.1 x 11.9 x 9.3mm, unheated

10.7 Carat -- Brazilian Blue Tourmaline -- Brilliant Trillion Cut --12.1 x 11.9 x 9.3mm, unheated

More from California Gemstones

3.15 Carat --Brazilian Cobalt Blue Tourmaline -- Cushion Cut--8 x 8 x 6mm

10.00 Carat ---- Montana Teal Green Sapphire ---- Emerald Step Cut --13 x 11 x 9mm

5.55 Carat ---- Brazilian Green Tourmaline ---- Asscher Cut --Investment Grade--10 x 10 x 8mm

3.9 Carat ---- Brazilian Cobalt Blue Tourmaline ---- Brilliant Round Cut--9 x 9 x 6mm

3.65 Carat ---- Burmese Pink Sapphire ---- Cushion Cut--9 x 9 x 5mm

2.60 Carat ---- Mozambique Blood Ruby ---- Emerald Step Cut--9 x 6 x 5mm