Our Products

Explore the exquisite world of gemstones with Ruby International. Our collection features a diverse array of precious stones sourced from our mines across East Africa and beyond. From the rare and mesmerizing Green Garnets to the vibrant hues of Sapphires and the color-changing magic of Alexandrite, each gemstone embodies exceptional beauty and craftsmanship.

At Ruby International, we pride ourselves on ethical sourcing, superior quality, and a commitment to sustainability.
Whether you’re a collector, jeweler, or connoisseur, our carefully curated selection ensures there’s something unique
and extraordinary for every taste and occasion. Discover the allure of natural gemstones with Ruby International.

Explore Ruby International’s exquisite range of gemstones, each embodying unique characteristics and value:

Spinel

Known for its vivid colors and durability, suitable for everyday wear.

We produce and sell a rare range of the celebrated Mahenge Spinel. Hot Pink in Color, these gemstones are found in the hilly in the Mahenge area in Morogoro region in Tanzania.
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Cobalt Spinel

Known for its vivid blue hues and rarity, Cobalt Spinel captivates with its brilliance and durability.

Cobalt Spinel, known for its vivid blue hues and exceptional durability, is sourced from deep within the Earth’s crust, forming under high-pressure conditions in metamorphic and igneous rocks.
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Tsavorite

Exhibits a rich green hue similar to emeralds but with better clarity and durability.

Tsavorite is an emerald-green stone that originates from Africa. The gem was first discovered in Tanzania by Campbell Bridges in 1967.
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Alexandrite

Recognized for its color-changing properties, shifting between green and red hues.

We source this rare gem that is known for its remarkable color changes from Tunduru in Ruvuma region in Tanzania.
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Tourmaline

Available in a wide range of colors, making it versatile for jewelry design.

Labelled as the Earth’s most colorful gemstone, Tourmaline is one of the products that Ruby International sources from Tunduru in Ruvuma region in Tanzania.
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Sapphire

Renowned for its hardness and brilliance, ideal for heirloom-quality jewelry.

Ruby sells Blue Yellow sapphires, an alluring gemstone ethically sourced from Tunduru in Ruvuma region in Tanzania
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Tanzania offices

Ruby Headquarter - Mahenge Office

P. O. Box 149 Ulanga, Mahenge Morogoro, Tanzania

Ruby Dar es salaam Office

P. O. Box 31618 Ruvu Street, Mikocheni Dar es salaam, Tanzania

Ruby Arusha Office

9th Floor, Left Wing, Mafao House Haile Selassie Road, Arusha, Tanzania

International Office

Ruby international co.,ltd

Silom19 building , 2Floor Unit 212 , 45/1 Soi Silom19 ,Silom Road, Bangrak, Bangkok , 10500 THAILAND.

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