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Gem-Fountain bridges the gap between the professional trade and the global collector, providing direct access to the Chanthaburi market at transparent trade prices. Whether you require precision-cut Fine Gems for jewelry or bulk Market Direct parcels for resale, our 60-year heritage ensures you source with total confidence. All stones are documented under 6500K daylight-balanced lighting to guarantee authentic, market-to-door transparency.
Tourmaline Cabochon 3.55 ct | Oval | Bottle Green | Mavuco, Mozambique
149.00$Natural Bottle Green Tourmaline Cabochon (3.55 ct) from Mavuco, Mozambique, cut in an elegant oval shape with rich color and smooth luminous character. A distinctive gemstone for a ring, pendant, or a fine collection of attractive cabochon tourmalines.
Tourmaline Cabochon 3.88 ct | 10 x 8 mm Oval | Bluish Green | Mavuco, Mozambique
146.00$Natural Bluish Green Tourmaline Cabochon (3.88 ct) from Mavuco, Mozambique, cut as an elegant 10 x 8 mm oval with lively color and smooth luminous character. A distinctive gemstone for a ring, pendant, or a fine collection of attractive cabochon tourmalines.
Tourmaline Cabochon 36.42 ct | 24 x 18 mm Oval | Forest Green | Minas Gerais, Brazil
819.00$Natural Forest Green Tourmaline Cabochon (36.42 ct) from Minas Gerais, Brazil, cut as an exceptional 24 x 18 mm oval with deep rich color and impressive luminous character. A remarkable gemstone for an important statement ring, pendant, or a fine collection of outstanding cabochon tourmalines.
Tourmaline Cabochon 4.72 ct | Oval | Yellow Green | Mavuco, Mozambique
106.00$Natural Yellow Green Tourmaline Cabochon (4.72 ct) from Mavuco, Mozambique, cut in an elegant oval shape with fresh lively color and smooth luminous character. A distinctive gemstone for a ring, pendant, or a fine collection of attractive cabochon tourmalines.
Tourmaline Cabochon 6.90 ct | 11 mm Round | Mint Green | Minas Gerais, Brazil
207.00$Natural Mint Green Tourmaline Cabochon (6.90 ct) from Minas Gerais, Brazil, cut as an elegant 11 mm round cabochon with fresh color and smooth luminous character. A distinctive gemstone for a ring, pendant, or a fine collection of attractive cabochon tourmalines.
Tourmaline Cabochon 7.19 ct | 12 mm Round | Mint Green | Minas Gerais, Brazil
216.00$Natural Mint Green Tourmaline Cabochon (7.19 ct) from Minas Gerais, Brazil, cut as an elegant 12 mm round cabochon with fresh color and smooth luminous character. A distinctive gemstone for a ring, pendant, or a fine collection of attractive cabochon tourmalines.
Tourmaline Cabochon 8.95 ct | Oval | Leaf Green | Mavuco, Mozambique
269.00$Natural Leaf Green Tourmaline Cabochon (8.95 ct) from Mavuco, Mozambique, cut in an elegant oval shape with fresh color and smooth luminous character. A distinctive gemstone for a statement ring, pendant, or a fine collection of exceptional cabochon tourmalines.
Tourmaline Cabochon 9.65 ct | 16 x 12 mm Pear Shape | Mint Green | Mavuco, Mozambique
362.00$Natural Mint Green Tourmaline Cabochon (9.65 ct) from Mavuco, Mozambique, cut as an elegant 16 x 12 mm pear shape with fresh color and smooth luminous character. A distinctive gemstone for a statement ring, pendant, or a fine collection of exceptional cabochon tourmalines.
Tourmaline Cabochon Pair 58.66 ct | 22 x 17 mm Oval | Forest Green | Minas Gerais, Brazil
1,232.00$Natural Forest Green Tourmaline Cabochon Pair (58.66 ct total) from Minas Gerais, Brazil, cut as impressive 22 x 17 mm oval cabochons with deep rich color and smooth luminous character. A remarkable matched pair for statement earrings, toi et moi rings, or exceptional bespoke jewelry with strong natural elegance.
Tourmaline Cabochon Pair 62.79 ct | 22 x 17 mm Oval | Forest Green | Minas Gerais, Brazil
1,507.00$Natural Forest Green Tourmaline Cabochon Pair (62.79 ct total) from Minas Gerais, Brazil, cut as impressive 22 x 17 mm oval cabochons with deep rich color and smooth luminous character. A remarkable matched pair for statement earrings, toi et moi rings, or exceptional bespoke jewelry with strong natural elegance.
Tourmaline Companion Pair 10.20 ct | Matching Cut | Mint Green | Rubaya, Congo (DRC)
1,836.00$Stylish companion pair of Mint Green Tourmalines (10.20 ct) from the Congo, featuring the same lively mint palette and strong pleochroism: bluish-green in the center with yellowish-green edges. Matching in color and cutting style, with intentionally different sizes—perfect for a toi et moi (two-stone) ring, or for a coordinated pendant and matching ring in the same look.
Tourmaline Companion Pair 32.27 ct | Emerald Cut | Bottle Green | Rubaya, Congo (DRC)
4,841.00$Natural Bottle Green Tourmaline Companion Pair (32.27 ct total) from Rubaya, Congo (DRC), cut in elegant emerald cuts with rich color and refined structure. A distinctive companion pair for toi et moi rings, coordinated ring and pendant ensembles, or bespoke jewelry designs that combine matching style with individual proportions.
Tourmaline Layout 15.51 ct | 9 – 10 mm Round Cabochon | Mint Green | Mavuco, Mosambique
582.00$Natural Mint Green Tourmaline Layout (15.51 ct total) from Mavuco, Mozambique, featuring 9–10 mm round cabochons with fresh color and smooth luminous character. A refined layout for custom rings, pendants, earrings, or coordinated jewelry designs with elegant and highly wearable appeal.
Tourmaline Layout 20.33 ct | Oval Cabochon | Various Green | Minas Gerais, Brazil
366.00$Natural Tourmaline Layout (20.33 ct total) from Minas Gerais, Brazil, featuring elegant oval cabochons in various green shades with smooth luminous character. A versatile layout for custom rings, pendants, earrings, or coordinated jewelry designs with fresh natural color and refined individuality.
Tourmaline Layout 21.80 ct | Emerald cut | Bottle Green | Rubaya, Congo (DRC)
3,597.00$Natural Bottle Green Tourmaline Layout (21.80 ct total) from Rubaya, Congo (DRC), featuring elegant emerald-cut stones with rich color and a refined, structured appearance. A distinctive layout for custom rings, pendants, earrings, or coordinated jewelry designs with timeless elegance and strong natural character.
Tourmaline Layout 22.18 ct | Oval Cabochon | Greenish Grey | Alto-Ligonha, Mosambique
466.00$Natural Greenish Grey Tourmaline Layout (22.18 ct total) from Alto Ligonha, Mozambique, featuring elegant oval cabochons with subtle earthy color and smooth luminous character. A distinctive layout for custom rings, pendants, earrings, or coordinated jewelry designs with an understated and sophisticated look
Tourmaline Layout 29.95 ct | Various Shape Cabochon | Leaf Green | Minas Gerais, Brazil
539.00$Natural Leaf Green Tourmaline Layout (29.95 ct total) from Minas Gerais, Brazil, featuring various cabochon shapes with fresh natural color and smooth luminous character. A versatile layout for custom rings, pendants, earrings, or coordinated jewelry designs with refined individuality.
Tourmaline Layout 37.51 ct | Oval, Pear Shape Cabochon | Various Pink, Green | Minas Gerais, Brazil
900.00$Natural Tourmaline Layout (37.51 ct total) from Minas Gerais, Brazil, featuring oval and pear shape cabochons in assorted pink and green colors with smooth luminous character. A versatile layout for custom rings, pendants, earrings, or coordinated jewelry designs with natural color variety and refined individuality.
Tourmaline Layout 38.81 ct | Various Shape Cabochon | Various Green | Minas Gerais, Brazil
699.00$Natural Tourmaline Layout (38.81 ct total) from Minas Gerais, Brazil, featuring various cabochon shapes in assorted green shades with smooth luminous character. A versatile layout for custom rings, pendants, earrings, or coordinated jewelry designs with natural color variety and refined individuality.
Tourmaline Layout 9.25 ct | 9 mm Round Cabochon | Mint Green | Mavuco, Mosambique
347.00$Natural Mint Green Tourmaline Layout (9.25 ct total) from Mavuco, Mozambique, featuring 9 mm round cabochons with fresh color and smooth luminous character. A refined layout for custom rings, pendants, earrings, or coordinated jewelry designs with elegant and highly wearable appeal.
Tourmaline Layout 21.97 ct | 14 x 10 mm Oval | Violet Red, Pink | Oyo Region, Nigeria
824.00$Natural Tourmaline Layout (21.97 ct total) from the Oyo Region, Nigeria, featuring elegant 14 x 10 mm oval stones in attractive violet red and pink hues. A refined layout for custom rings, pendants, earrings, or coordinated jewelry designs with vivid color and elegant individuality.
Tourmaline Layout 37.84 ct | Oval Cabochons | Violet Red | Oyo Region, Nigeria
1,419.00$Natural Violet Red Tourmaline Layout (37.84 ct total) from the Oyo Region, Nigeria, featuring elegant oval cabochons with rich color and a smooth, luminous surface. A versatile layout for custom rings, pendants, earrings, or coordinated jewelry designs with a refined and distinctive character.
Tourmaline Pair 17.12 ct | Cushion Cabochon | Leaf Green | Ibity, Madagascar
385.00$Natural Leaf Green Tourmaline Pair (17.12 ct total) from Ibity, Madagascar, cut as elegant cushion cabochons with fresh color and smooth luminous character. A refined matched pair for earrings, toi et moi rings, or bespoke jewelry designs with natural elegance.
Tourmaline Pair 100.98 ct | Crystal Slice | Bi-Color | Ibity, Madagascar
454.00$Natural bi-color Tourmaline Pair (100.98 ct total) from Ibity, Madagascar, cut as extraordinary crystal slices with vivid natural color zoning and exceptional organic presence. A rare large-format pair for statement earrings, dramatic toi et moi designs, or bespoke jewelry that celebrates the individuality and natural beauty of tourmaline.