Tourmaline (Blue).
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VINTAGE 14K WHITE GOLD ENGAGEMENT RING 5.95CT. LAB GROWN BLUE NEON TOURMALINEJul 27, 2026Vista Blue Color Tourmaline Gemstone: Natural October Birthstone, Africa (2.08 CT)Fountain Blue Tourmaline Gemstone: Natural October Birthstone, Afghanistan (2.13 CT)Blue Indicolite Tourmaline Gemstone: Emerald Cut, 1.03 CT, October BirthstoneNatural Blue Green Tourmaline Gemstone: Cushion Cut October BirthstoneVINTAGE 18K WHITE GOLD ENGAGEMENT RING 6.28CT. BLUE TOURMALINE CUSHION SHAPEJul 27, 2026VINTAGE 14K WHITE GOLD ENGAGEMENT RING 4.75CT.LAB GROWN BLUE TOURMALINE CUSHIONJul 27, 2026VINTAGE PLATINUM RING 1.48CT.NATURAL OLD CUT CHAMPAGNE DIAMOND BLUE TOURMALINEJul 27, 2026Blue Green Tourmaline Gemstone: Emerald Cut, October Birthstone (1.16 CT)VINTAGE PLATINUM ENGAGEMENT RING 1.30CT. BLUE TOURMALINE ROUND SHAPEJul 27, 2026Platinum GIA 7.57ct Long Emerald Cut Indicolite Blue Tourmaline Diamond Cocktail Ring3 days LeftNatural Blue Topaz & Green Tourmaline Gemstone 92.5 Sterling Silver Adjustable Ring4 days LeftVINTAGE PLATINUM ENGAGEMENT RING 7.27CT. BLUE NEON TOURMALINE OVAL SHAPEJul 27, 2026Platinum GIA 7.87ct Fantasy Cut Blue Green Tourmaline Diamond RingJul 25, 2026Greenish Blue Tourmaline Carved Flower GemstoneJul 20, 2026PLATINUM VINTAGE DIAMOND RING 4.61CT.NATURAL BLUE SAPPHIRE PINK TOURMALINEJul 27, 2026 
