Blue Lagoon Tourmaline Gemstone: Natural October Birthstone, Afghanistan (6.25 CT)Chairish Auctions4.5(10.4k)$7,500
Seafoam Blue Tourmaline Gemstone: Natural October Birthstone, Afghanistan (4.67 CT)Chairish Auctions4.5(10.4k)$1,600
Ink Blue Tourmaline Gemstone: Natural October Birthstone, Afghanistan (4.80 CT)Chairish Auctions4.5(10.4k)$600
Multi Color Tourmaline Gemstone: Natural October Birthstone, Africa (2.78 CT)Chairish Auctions4.5(10.4k)$240
Lgoon Blue Tourmaline Gemstone: Natural October Birthstone, Africa (1.84 CT)Chairish Auctions4.5(10.4k)$170
IGI Certified 4.78 ct. Natural Deep Greenish Blue Tourmaline - MOZAMBIQUEKissing Auction4.2(53)$1006 days Left
Vista Blue Color Tourmaline Gemstone: Natural October Birthstone, Africa (2.08 CT)Chairish Auctions4.5(10.4k)$150
Cyan Blue Tourmaline Gemstone: Natural October Birthstone, Africa (2.73 CT)Chairish Auctions4.5(10.4k)$160
Fountain Blue Tourmaline Gemstone: Natural October Birthstone, Afghanistan (2.13 CT)Chairish Auctions4.5(10.4k)$150
Blue Green Tourmaline Gemstone: Natural October Birthstone, Africa (2.54 CT)Chairish Auctions4.5(10.4k)$150
