Black Star Sapphire, Natural Star Sapphires, Round, Oval, Pear. Wholesale Black Star Sapphire
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See our black star sapphire gemstone collection. Featuring natural asterism and unparalleled beauty. Our collection includes loose star sapphires, black star sapphire loose stones, and rare black star sapphires available in various carat weights. Ideal for creating bespoke jewelry, these loose gemstones showcase the timeless elegance of star sapphires. Discover the perfect black sapphire to complement your design vision. |
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Bi-color
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Black Black Star Sapphire
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Blue
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Brown
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Golden
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Gray
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Green
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Multicolor
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Orange
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Pink
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Purple
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Red
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Turquoise
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Violet
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White
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Yellow
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
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| ID: | 683566 |
| Weight: | 2.92ct |
| Size: | 9 x 7.5 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 63.07 |
| Item in Stock | |
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| ID: | 683217 |
| Weight: | 2.19ct |
| Size: | 8.8 x 7.6 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 47.30 |
| Item in Stock | |
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| ID: | 683629 |
| Weight: | 2.50ct |
| Size: | 8.9 x 6.6 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 45.00 |
| Item in Stock | |
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| ID: | 683214 |
| Weight: | 3.91ct |
| Size: | 9.4 x 8.4 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 84.46 |
| Item in Stock | |
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| ID: | 683968 |
| Weight: | 17.54ct |
| Size: | 15.6 x 13 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 228.02 |
| Item in Stock | |
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| ID: | 683536 |
| Weight: | 4.35ct |
| Size: | 10.4 x 8.6 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 93.96 |
| Item in Stock | |
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| ID: | 683561 |
| Weight: | 3.50ct |
| Size: | 10 x 8 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 75.60 |
| Item in Stock | |
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| ID: | 683979 |
| Weight: | 19.98ct |
| Size: | 15.6 x 13.5 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 311.69 |
| Item in Stock | |
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| ID: | 682737 |
| Weight: | 7.59ct |
| Size: | 11.8 x 9.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 182.16 |
| Item in Stock | |
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| ID: | 682741 |
| Weight: | 9.54ct |
| Size: | 12 x 10 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 228.96 |
| Item in Stock | |
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| ID: | 683220 |
| Weight: | 3.50ct |
| Size: | 9 x 7 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 75.60 |
| Item in Stock | |
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| ID: | 683564 |
| Weight: | 3.95ct |
| Size: | 10 x 8.4 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 85.32 |
| Item in Stock | |
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| ID: | 683380 |
| Weight: | 4.38ct |
| Size: | 10 x 8 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 88.13 |
| Item in Stock | |
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| ID: | 683619 |
| Weight: | 3.95ct |
| Size: | 9.2 x 7.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 85.32 |
| Item in Stock | |
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| ID: | 683405 |
| Weight: | 5.20ct |
| Size: | 10 x 8 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 112.32 |
| Item in Stock | |
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| ID: | 683335 |
| Weight: | 5.81ct |
| Size: | 10.4 x 8.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 125.50 |
| Item in Stock | |
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| ID: | 682736 |
| Weight: | 6.67ct |
| Size: | 11 x 9 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 160.08 |
| Item in Stock | |
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| ID: | 682726 |
| Weight: | 7.18ct |
| Size: | 11.7 x 9.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 172.32 |
| Item in Stock | |
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| ID: | 683225 |
| Weight: | 3.62ct |
| Size: | 10 x 8 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 78.19 |
| Item in Stock | |
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| ID: | 683495 |
| Weight: | 3.16ct |
| Size: | 9.5 x 6.9 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 68.26 |
| Item in Stock | |
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| ID: | 683621 |
| Weight: | 3.70ct |
| Size: | 10.4 x 8.3 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 79.92 |
| Item in Stock | |
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| ID: | 683540 |
| Weight: | 4.00ct |
| Size: | 10.5 x 8.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 86.40 |
| Item in Stock | |
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| ID: | 678293 |
| Weight: | 4.08ct |
| Size: | 10 x 8 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 73.44 |
| Item in Stock | |
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| ID: | 683402 |
| Weight: | 4.91ct |
| Size: | 9.8 x 7.5 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 106.06 |
| Item in Stock | |
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| ID: | 683334 |
| Weight: | 2.82ct |
| Size: | 9 x 7 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 60.91 |
| Item in Stock | |
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| ID: | 682968 |
| Weight: | 7.64ct |
| Size: | 12 x 10 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 183.36 |
| Item in Stock | |
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| ID: | 683171 |
| Weight: | 2.95ct |
| Size: | 10 x 8 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 63.72 |
| Item in Stock | |
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| ID: | 682690 |
| Weight: | 6.43ct |
| Size: | 11.5 x 9.3 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 154.32 |
| Item in Stock | |
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| ID: | 683569 |
| Weight: | 3.19ct |
| Size: | 9.6 x 7.3 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 68.90 |
| Item in Stock | |
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| ID: | 678299 |
| Weight: | 6.28ct |
| Size: | 11 x 9 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 113.04 |
| Item in Stock | |
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| ID: | 682739 |
| Weight: | 6.83ct |
| Size: | 11.7 x 9.4 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 163.92 |
| Item in Stock | |
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| ID: | 683378 |
| Weight: | 4.05ct |
| Size: | 9.6 x 7.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 87.48 |
| Item in Stock | |
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| ID: | 682729 |
| Weight: | 4.92ct |
| Size: | 11 x 9 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 117.60 |
| Item in Stock | |
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| ID: | 683975 |
| Weight: | 11.35ct |
| Size: | 14.4 x 12.7 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 177.06 |
| Item in Stock | |
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| ID: | 683377 |
| Weight: | 5.23ct |
| Size: | 11 x 9 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 112.97 |
| Item in Stock | |
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| ID: | 683496 |
| Weight: | 4.70ct |
| Size: | 9.2 x 8.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 101.52 |
| Item in Stock | |
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| ID: | 682721 |
| Weight: | 7.81ct |
| Size: | 12 x 10 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 187.44 |
| Item in Stock | |
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| ID: | 683570 |
| Weight: | 3.42ct |
| Size: | 10.1 x 7.5 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 73.87 |
| Item in Stock | |
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| ID: | 683394 |
| Weight: | 2.77ct |
| Size: | 8.1 x 6.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 59.83 |
| Item in Stock | |
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| ID: | 683622 |
| Weight: | 4.27ct |
| Size: | 9.2 x 7.6 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 92.23 |
| Item in Stock | |
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| ID: | 683374 |
| Weight: | 5.51ct |
| Size: | 11.1 x 8.6 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 119.02 |
| Item in Stock | |
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| ID: | 683375 |
| Weight: | 4.45ct |
| Size: | 10 x 8 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 96.12 |
| Item in Stock | |
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| ID: | 682965 |
| Weight: | 7.80ct |
| Size: | 12 x 10 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 187.20 |
| Item in Stock | |
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| ID: | 678303 |
| Weight: | 4.26ct |
| Size: | 10.7 x 8.3 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 76.68 |
| Item in Stock | |
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| ID: | 682757 |
| Weight: | 2.97ct |
| Size: | 9 x 7 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 53.46 |
| Item in Stock | |
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| ID: | 683342 |
| Weight: | 6.28ct |
| Size: | 10.5 x 8.6 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 135.65 |
| Item in Stock | |
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| ID: | 682732 |
| Weight: | 5.59ct |
| Size: | 11.2 x 8.5 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 134.16 |
| Item in Stock | |
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| ID: | 683395 |
| Weight: | 2.36ct |
| Size: | 9 x 7 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 50.98 |
| Item in Stock | |
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| ID: | 683338 |
| Weight: | 5.40ct |
| Size: | 10 x 8 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 116.64 |
| Item in Stock | |
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| ID: | 682751 |
| Weight: | 2.74ct |
| Size: | 8.2 x 6.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 229.32 |
| Item in Stock | |
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| ID: | 683696 |
| Weight: | 5.71ct |
| Size: | 10 x 8 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 123.34 |
| Item in Stock | |
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| ID: | 682740 |
| Weight: | 5.39ct |
| Size: | 10.2 x 9.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 129.36 |
| Item in Stock | |
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| ID: | 683539 |
| Weight: | 4.70ct |
| Size: | 10.5 x 8.4 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 101.52 |
| Item in Stock | |
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| ID: | 682728 |
| Weight: | 6.71ct |
| Size: | 11 x 9 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 161.04 |
| Item in Stock | |
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| ID: | 683537 |
| Weight: | 4.06ct |
| Size: | 9.4 x 7.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 87.70 |
| Item in Stock | |
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| ID: | 684799 |
| Weight: | 41.19ct |
| Size: | 20.2 x 18.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 642.56 |
| Item in Stock | |
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| ID: | 683624 |
| Weight: | 4.54ct |
| Size: | 10.8 x 8.3 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 98.06 |
| Item in Stock | |
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| ID: | 683223 |
| Weight: | 3.26ct |
| Size: | 9.7 x 7.6 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 70.42 |
| Item in Stock | |
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| ID: | 682776 |
| Weight: | 3.50ct |
| Size: | 9 x 7 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 63.00 |
| Item in Stock | |
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| ID: | 678296 |
| Weight: | 5.76ct |
| Size: | 10.4 x 9 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 103.68 |
| Item in Stock | |
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FAQs
What is black star sapphire?
A black star sapphire is a unique gemstone known for its captivating asterism, a star-like pattern that appears on the surface when exposed to light. These rare black star sapphires are highly sought after for their distinct beauty and durability.
What causes the star effect in black star sapphires?
The star effect, or asterism, in black star sapphires is caused by the reflection of light on needle-like inclusions within the stone. These inclusions are typically made of rutile, creating the stunning star pattern seen in loose star sapphires.
Are loose black star sapphires suitable for jewelry?
Yes, loose black star sapphires are perfect for creating custom jewelry pieces, such as rings, pendants, and earrings. Their durability, with a Mohs hardness of 9, makes them an excellent choice for everyday wear.
What is the difference between a black star sapphire and a regular sapphire?
While both are varieties of sapphire, black star sapphires exhibit asterism, which sets them apart. Regular sapphires, such as blue or pink sapphires, lack this unique star-like effect found in loose black star sapphires.
How do I choose a loose black star sapphire?
When selecting a loose black star sapphire, consider the clarity, carat weight, and prominence of the star effect. Rare black star sapphires with a distinct six-rayed star pattern are particularly valuable.
Are black star sapphires natural?
Most black star sapphires are natural and untreated, but some may undergo enhancements to improve their appearance. Always purchase from a trusted source to ensure the authenticity of loose black star sapphires.
How much do black star sapphires cost?
The price of black star sapphires varies based on their size, quality, and rarity. Loose black star sapphires with a strong, well-defined asterism and higher carat weight typically command higher prices.
Can I buy loose black star sapphires in bulk?
Yes, many gemstone suppliers offer wholesale options for loose black star sapphires. This is a great choice for jewelers or collectors looking to purchase multiple high-quality loose gemstones.
Where can I find rare black star sapphires?
Rare black star sapphires are available through reputable gemstone retailers, both online and in-store. Look for detailed descriptions, certifications, and images when shopping for loose star sapphires.
Are loose star sapphires good for investment?
Loose star sapphires, especially rare black star sapphires with exceptional asterism, can be a great investment. Their rarity and timeless appeal make them a valuable addition to any gemstone collection.
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10 
I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.
Overall Rating -> 10
Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site
Overall Rating -> 9 
I love the gems!
Overall Rating -> 10
I'm happy.
Overall Rating -> 10
First time so this is an experiment! Shopping is so fun on this site, though!
Overall Rating -> 10
I am filling a small treasure chest and picked a nice amethyst.
Overall Rating -> 7 
Okay thank you.
Overall Rating -> 10
Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.
Overall Rating -> 10
I've made several purchases through GemSelect in the past, although not within the last six months. Their gems are always beautiful and I have never had an issue with their prices or their stones. Even when I'm not buying, I love scrolling through their website, which is very user friendly. I especially appreciate being able to change the listing order to your own liking, such as most to least expensive, largest to smallest, etc. As with most online orders, however, I think the shipping charges are not commensurate with the actual weight of the items shipped.
