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Embrace Nature's True Colors with Our Untreated Loose Sapphires. Our collection celebrates the raw beauty and rarity of sapphires in their purest form. Each gemstone is hand-selected, ensuring you get an authentic, high-quality piece that's free from any treatments. Whether you're designing a high-end jewelry piece or adding to your gemstone collection, our untreated sapphires capture the essence of nature's wonder. Experience the untouched radiance of these incredible gems today.
1.43 ct Brownish Yellow Oval Natural Yellow Sapphire
1.43 ct Brownish Yellow Oval Natural Yellow Sapphire
$545
$464
 
1.48 ct Light Yellow Oval Natural Yellow Sapphire
1.48 ct Light Yellow Oval Natural Yellow Sapphire
$548
$466
 
1.13 ct Light Purple Round Natural Pink Sapphire
1.13 ct Light Purple Round Natural Pink Sapphire
$548
$466
1.07 ct Rich Pink Pear Shape Natural Pink Sapphire
1.07 ct Rich Pink Pear Shape Natural Pink Sapphire
$558
$475
 
1.13 ct Golden Yellow Emerald Cut Natural Yellow Sapphire
1.13 ct Golden Yellow Emerald Cut Natural Yellow Sapphire
$560
$476
 
1.13 ct Pinkish Purple Radiant Natural Pink Sapphire
1.13 ct Pinkish Purple Radiant Natural Pink Sapphire
$560
$476
1.17 ct Pinkish Purple Radiant Natural Pink Sapphire
1.17 ct Pinkish Purple Radiant Natural Pink Sapphire
$570
$485
 
0.87 ct Royal Pink Emerald Cut Natural Pink Sapphire
0.87 ct Royal Pink Emerald Cut Natural Pink Sapphire
$575
$489
 
1.11 ct Fine Yellow Round Natural Yellow Sapphire
1.11 ct Fine Yellow Round Natural Yellow Sapphire
$580
$493
0.85 ct Royal Pink Emerald Cut Natural Pink Sapphire
0.85 ct Royal Pink Emerald Cut Natural Pink Sapphire
$585
$498
 
1.44 ct Light Blue Oval Natural Blue Sapphire
1.44 ct Light Blue Oval Natural Blue Sapphire
$586
$499
 
1.50 ct Light Blue Oval Natural Blue Sapphire
1.50 ct Light Blue Oval Natural Blue Sapphire
$590
$502
1.19 ct Rich Pink Cushion Cut Natural Pink Sapphire
1.19 ct Rich Pink Cushion Cut Natural Pink Sapphire
$595
$506
 
1.00 ct Rich Purple Cushion Cut Natural Pink Sapphire
1.00 ct Rich Purple Cushion Cut Natural Pink Sapphire
$598
$509
 
1.26 ct Brownish Green Oval Natural Green Sapphire
1.26 ct Brownish Green Oval Natural Green Sapphire
$598
$509
1.22 ct Fine Purple Radiant Natural Pink Sapphire
1.22 ct Fine Purple Radiant Natural Pink Sapphire
$600
$510
 
1.60 ct Light Blue Oval Natural Blue Sapphire
1.60 ct Light Blue Oval Natural Blue Sapphire
$644
$548
 
1.45 ct Grayish Blue Round Natural Blue Sapphire
1.45 ct Grayish Blue Round Natural Blue Sapphire
$644
$548
1.61 ct Pinkish Purple Radiant Natural Pink Sapphire
1.61 ct Pinkish Purple Radiant Natural Pink Sapphire
$645
$549
 
1.27 ct Rich Orange Oval Natural Yellow Sapphire
1.27 ct Rich Orange Oval Natural Yellow Sapphire
$645
$549
Results: 141 - 160 of 234
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Facts about Untreated Sapphires
Let’s explore key facts about abou untreated sapphire gemstones:
  • Untreated sapphires are exceptionally rare. Only about 0.5-1% of sapphires discovered are of gem quality without any treatment. This rarity makes natural, untreated sapphires far more valuable than treated ones.
  • Untreated sapphires come in a rainbow of colors beyond just blue. They can be found in pink, peach, purple, yellow, orange, green, teal, and even colorless varieties. The different colors are caused by trace elements within the mineral corundum.
  • On the Mohs scale of hardness, sapphires score a 9 out of 10, making them the third hardest natural mineral after diamonds and moissanite. This exceptional hardness makes untreated sapphires very durable for use in jewelry.
  • Star sapphires are a unique variety of untreated sapphires that display a star-like pattern when cut into a cabochon shape. This effect is caused by the presence of tiny needle-like inclusions of rutile within the stone.
  • Untreated sapphires over 5 carats are considered exceptionally rare and valuable, especially if they have good clarity and color distribution.
  • The most prized blue shades in untreated sapphires are known as 'Kashmir' (a velvety saturated blue) and 'Ceylon' (a smooth royal blue), named after the regions where they are traditionally mined.
  • Some of the countries where untreated sapphires are mined include Sri Lanka, Myanmar, Madagascar, Australia, and the United States.
  • Experts generally recommend purchasing untreated sapphires for their rarity, value, and natural beauty, especially for colors like yellow and orange where the untreated versions are considered superior to treated ones.