Birthstones

Don't know what your birthstone is? Learn About Your Birthstone here and Shop the most intriguing, stunning colorful natural birthstones in the finest quality. Choose from the most precious Natural Ruby Birthstone to Sapphire Birthstones and more. Looking to design a birthstone piece and don't know where to start? Start a consultation and enjoy free quote on your custom birthstone jewelry design.

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199 products
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Natural Ruby Gemstone | Delightful Heart Shape Purplish Red | Heated 1.07 carats | Custom Jewelry | Modern Gem JewelryNatural Ruby Gemstone | Delightful Heart Shape Purplish Red | Heated 1.07 carats | Custom Jewelry | Modern Gem Jewelry
Natural Ruby Gemstone | Delightful Heart Shape Purplish Red | Heated 1.07 carats
$599.00 USD $650.00 USD
3.38 Carats Natural Rubellite Tourmaline Gemstone Heart Cut | 8.8x 10.2mm - Modern Gem Jewelry 3.38 Carats Natural Rubellite Tourmaline Gemstone Heart Cut | 8.8x 10.2mm - Modern Gem Jewelry
3.38 Carats Rubellite Tourmaline Gemstone Heart | 8.8mm x 10.2mm
$950.00 USD
Bright & Lively Red Natural Spinel Gemstone 0.32 Carats - Modern Gem Jewelry Bright & Lively Red Natural Spinel Gemstone 0.32 Carats - Modern Gem Jewelry
0.32cts Cushion Cut Red Natural Spinel Gem
$115.00 USD
3.55 carats Oval Shape Purple Pink Natural Rubellite Tourmaline | 10.2 x 9.2mm - Modern Gem Jewelry 3.55 carats Oval Shape Purple Pink Natural Rubellite Tourmaline | 10.2 x 9.2mm - Modern Gem Jewelry
3.55 carats Oval Red Natural Rubellite Tourmaline | 10.2mm x 9.2mm
$410.00 USD
2.475 carats Pear Shape Natural Rubellite Tourmaline | 13.2 x 7.4mm - Modern Gem Jewelry 2.475 carats Pear Shape Natural Rubellite Tourmaline | 13.2 x 7.4mm - Modern Gem Jewelry
2.75 carats Pear Rubellite Tourmaline | 13.2mm x 7.4mm
$286.00 USD
7.2 carats Perfectly Matched Pear Shape Natural Imperial Topaz | 12.1m x 8.1mm - Modern Gem Jewelry 7.2 carats Perfectly Matched Pear Shape Natural Imperial Topaz | 12.1m x 8.1mm - Modern Gem Jewelry
7.2 carats Imperial Topaz Matched Gemstones
$400.00 USD
2.6 Carats Natural Fire Opal Gemstone Triangular 11.82mm x 11 x 4.9mm - Modern Gem Jewelry 2.6 Carats Natural Fire Opal Gemstone Triangular 11.82mm x 11 x 4.9mm - Modern Gem Jewelry
2.6 Carats Natural Fire Opal Gemstone
$189.00 USD
Attractive & Stricking 3.48 Carats Fine Natural Fire Opal Loose Gemstone - Modern Gem Jewelry Attractive & Stricking 3.48 Carats Fine Natural Fire Opal Loose Gemstone - Modern Gem Jewelry
3.48 Carats Natural Fire Opal Gemstone
$150.00 USD
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Natural Sapphire Gemstone | Oval Cut Medium Fine Blue | 1.33 Carats Heated | Custom Jewelry | Modern Gem JewelryNatural Sapphire Gemstone | Oval Cut Medium Fine Blue | 1.33 Carats Heated | Custom Jewelry | Modern Gem Jewelry
Natural Sapphire Gemstone | Oval Cut Medium Fine Blue | 1.33 Carats Heated
$450.00 USD
Loose Sapphire Gemstones | Matched Pair Cabochon Shape Royal Blue | 3.56 Carats Heated | Custom Jewelry | Modern Gem JewelryLoose Sapphire Gemstones | Matched Pair Cabochon Shape Royal Blue | 3.56 Carats Heated | Custom Jewelry | Modern Gem Jewelry
Loose Sapphire Gemstones | Matched Pair Cabochon Shape Royal Blue | 3.56 Carats Heated
$549.00 USD
Natural Sapphire Gemstone | Oval Cut Sri Lanka Royal Blue | 0.56 Carat Heated | Custom Jewelry | Modern Gem JewelryNatural Sapphire Gemstone | Oval Cut Sri Lanka Royal Blue | 0.56 Carat Heated | Custom Jewelry | Modern Gem Jewelry
Natural Sapphire Gemstone | Oval Cut Sri Lanka Royal Blue | 0.56 Carat Heated
$250.00 USD
Ruby Gemstone | Oval Cut Purplish Red | Heated 0.94 Carats | Custom Jewelry | Modern Gem JewelryRuby Gemstone | Oval Cut Purplish Red | Heated 0.94 Carats | Custom Jewelry | Modern Gem Jewelry
0.94 carats Oval Purplish Red Heated Gemstone
$399.00 USD
Intense Lively 4.45 Carats Natural Tourmaline Gemstone | Perfect Pair - Modern Gem Jewelry Intense Lively 4.45 Carats Natural Tourmaline Gemstone | Perfect Pair - Modern Gem Jewelry
4.45 Carats Pair Tourmaline Gemstones | 8.5mm x 6.4mm-Pair
$399.00 USD
4.2 Carats, Rich Pink Ethiopian Natural Opal Oval 5.22mm x 5.43mm - Modern Gem Jewelry 4.2 Carats, Rich Pink Ethiopian Natural Opal Oval 5.22mm x 5.43mm - Modern Gem Jewelry
4.2 Carats Pink Natural Opal Oval | 5.22mm x 5.43mm
$140.00 USD
3.23 Carats Intense Purple Red Natural Rubellite Tourmaline Cushion Cut - Modern Gem Jewelry 3.23 Carats Intense Purple Red Natural Rubellite Tourmaline Cushion Cut - Modern Gem Jewelry
3.23 Carats Cushion Rubellite Tourmaline | 10.3mm x 8.58mm
$300.00 USD
5.2 Carats Purplish Red Natural Rubellite Tourmaline Gemstone - Modern Gem Jewelry 5.2 Carats Purplish Red Natural Rubellite Tourmaline Gemstone - Modern Gem Jewelry
5.2 Carats Oval Rubellite Tourmaline Gemstone | 12mm x 9.2mm
$800.00 USD
3.75 Carats Natural Rubellite Tourmaline Pear Cut Loose Gemstone - Modern Gem Jewelry 3.75 Carats Natural Rubellite Tourmaline Pear Cut Loose Gemstone - Modern Gem Jewelry
3.75 Carats Natural Rubellite Tourmaline Pear Cut Gemstone | 11mm x 10mm
$486.00 USD
5.96 Carats Pair Top Colour Blue Natural Aquamarine Gemstone - Modern Gem Jewelry 5.96 Carats Pair Top Colour Blue Natural Aquamarine Gemstone - Modern Gem Jewelry
5.96 Carats Matched Natural Aquamarine Gemstones Oval
$250.00 USD
3.73 Carats Blue Natural Aquamarine Genuine Gemstone Oval Cut - Modern Gem Jewelry 3.73 Carats Blue Natural Aquamarine Genuine Gemstone Oval Cut - Modern Gem Jewelry
3.73 Carats Natural Aquamarine Gemstone Oval | 11.2 mm x 9.5mm
$399.00 USD
Save 29%
4.97 Carats Blue Natural Aquamarine Loose Gemstone Rectangular Cut - Modern Gem Jewelry 4.97 Carats Blue Natural Aquamarine Loose Gemstone Rectangular Cut - Modern Gem Jewelry
3.23 Carats Natural Aquamarine Emerald Cut | 9.8 x 6.7mm
$200.00 USD $280.00 USD
Save 22%
5.05 Carats Brazilian Blue Natural Aquamarine Loose Gemstone Trillion Cut - Modern Gem Jewelry 5.05 Carats Brazilian Blue Natural Aquamarine Loose Gemstone Trillion Cut - Modern Gem Jewelry
5.05 Carats Trillion Shape Natural Aquamarine Gemstone
$350.00 USD $450.00 USD
Save 31%
3.70 Carats Vibrant Blue Natural Aquamarine Emerald Cut Gemstone - Modern Gem Jewelry 3.70 Carats Vibrant Blue Natural Aquamarine Emerald Cut Gemstone - Modern Gem Jewelry
3.70 Carats Emerald Cut Aquamarine Gemstone | 15.3 x 6.2mm
$220.00 USD $320.00 USD
0.31 Carat Yellow Natural Diamond Round Cut Loose Gemstone - Modern Gem Jewelry 0.31 Carat Yellow Natural Diamond Round Cut Loose Gemstone - Modern Gem Jewelry
0.31 carats Round Fancy Yellow Diamond
$400.00 USD
Yellow Cushion Cut Natural Diamond Loose Diamond Gemstone - Modern Gem Jewelry Yellow Cushion Cut Natural Diamond Loose Diamond Gemstone - Modern Gem Jewelry
0.11 Carat Yellow Cushion Cut Natural Diamond Gemstone
$500.00 USD
Loose Ruby Gemstone | Cabochon Pigeon Blood Red | Treated | Custom Jewelry | Modern Gem JewelryLoose Ruby Gemstone | Cabochon Pigeon Blood Red | Treated | Custom Jewelry | Modern Gem Jewelry
Loose Ruby Gemstones | Cabochon Pigeon Blood Red | Treated
From $200.00 USD
Natural Sapphire Gemstone | Oval Cut Fancy Yellow | 1.505 Carats Heated | Custom Jewelry| Modern Gem JewelryNatural Sapphire Gemstone | Oval Cut Fancy Yellow | 1.505 Carats Heated | Custom Jewelry| Modern Gem Jewelry
Natural Sapphire Gemstone | Oval Cut Fancy Yellow | 1.505 Carats Heated
$266.50 USD
Natural Sapphire Gemstone | Oval Cut Fancy Yellow | 2.165 Carats Heated | Custom Jewelry | Modern Gem JewelryNatural Sapphire Gemstone | Oval Cut Fancy Yellow | 2.165 Carats Heated | Custom Jewelry | Modern Gem Jewelry
Natural Sapphire Gemstone | Oval Cut Fancy Yellow | 2.165 Carats Heated
$380.00 USD
Natural Sapphire Gemstone | Cushion Cut Blue | 0.560 Carat Heated | Custom Jewelry | Modern Gem JewelryNatural Sapphire Gemstone | Cushion Cut Blue | 0.560 Carat Heated | Custom Jewelry | Modern Gem Jewelry
Natural Sapphire Gemstone | Cushion Cut Blue | 0.560 Carat Heated
$260.00 USD

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Most Colored Gemstones from Modern Gem Jewelry® are certified by AIGS Lab. Shop Loose Natural Gemstones with peace of mind.
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