2 days LeftPlatinum 10.08ct Watermelon Tourmaline Diamond Cocktail RingEst. $2,444-$3,177$100BidhausNew York, NY
17 hrs Left14k White Gold 3.44ct Emerald Cut Watermelon Tourmaline Solitaire RingEst. $1,066-$1,385$820BidhausNew York, NY
Buy NowInk Blue Tourmaline Gemstone: Natural October Birthstone, Afghanistan (4.80 CT)$1,200Chairish AuctionsNew York, NY
Buy NowInk Blue Tourmaline Gemstone: Natural October Birthstone, Afghanistan (4.80 CT)$1,200Chairish AuctionsNew York, NY
May 28, 202614k White Gold 3.44ct Emerald Cut Watermelon Tourmaline Solitaire RingEst. $1,754-$1,974$570Diamond DepotNew York, NY
1 day LeftInk Blue Tourmaline Gemstone: Natural October Birthstone, Afghanistan (4.80 CT)Est. $1,500-$2,000$600Chairish AuctionsNew York, NY
Ends in 1d 16hInk Blue Tourmaline Gemstone: Natural October Birthstone, Afghanistan (4.80 CT)Est. $1,500-$2,000$600Chairish AuctionsNew York, NY
Buy NowDusty Rose Pink Tourmaline Gemstone: Natural October Birthstone, Africa (3.03 CT)$320(2 bids)Chairish AuctionsNew York, NY
5 days Left14k White Gold 3.44ct Emerald Cut Watermelon Tourmaline Solitaire RingEst. $1,066-$1,385$100BidhausNew York, NY
Jun 06, 2026Collection of Twenty [20] Assorted Mineral SpecimensEst. £20-£30£5TimeLine Auctions Ltd.Harwich, Essex
7 days LeftWatermelon Tourmaline Carved Flower GemstoneEst. $350-$450$295Weatherham Estate TreasuresCobourg, ON
Ends in 1d 14hLgoon Blue Tourmaline Gemstone: Natural October Birthstone, Africa (1.84 CT)Est. $400-$500$170Chairish AuctionsNew York, NY
Buy NowMulti Color Tourmaline Gemstone: Natural October Birthstone, Africa (2.78 CT)$500Chairish AuctionsNew York, NY
Buy NowCyan Blue Tourmaline Gemstone: Natural October Birthstone, Africa (2.73 CT)$320Chairish AuctionsNew York, NY
FEATUREDEnds in 1d 12hCyan Blue Tourmaline Gemstone: Natural October Birthstone, Africa (2.73 CT)Est. $400-$500$160Chairish AuctionsNew York, NY
2 days Left1.72ct Octagon / Emerald Cut Natural Watermelon TourmalineEst. $700-$800$520Weatherham Estate TreasuresCobourg, ON
FEATUREDEnds in 1d 12hBlue Indicolite Tourmaline Gemstone: Emerald Cut, 1.03 CT, October BirthstoneEst. $250-$300$100Chairish AuctionsNew York, NY
Ends in 1d 14hFountain Blue Tourmaline Gemstone: Natural October Birthstone, Afghanistan (2.13 CT)Est. $350-$400$150Chairish AuctionsNew York, NY
FEATURED1 day LeftCyan Blue Tourmaline Gemstone: Natural October Birthstone, Africa (2.73 CT)Est. $400-$500$160Chairish AuctionsNew York, NY
1 day LeftMulti Color Tourmaline Gemstone: Natural October Birthstone, Africa (2.78 CT)Est. $600-$700$240Chairish AuctionsNew York, NY
Ends in 1d 14hNatural Bright Cerulean Color Tourmaline Gemstone For Ring MakingEst. $300-$350$120Chairish AuctionsNew York, NY
Buy NowMulti Color Tourmaline Gemstone: Natural October Birthstone, Africa (2.78 CT)$500Chairish AuctionsNew York, NY