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🔷 Own the rare brilliance that shifts with your vibe.
GEMHUB’s Natural Blue Sapphire Rough Gemstones offer 19 carats of certified, high-grade raw sapphire with unique color zoning and pleochroic effects. Durable and visually dynamic, these stones are perfect for jewelry makers and collectors seeking authentic, natural beauty with a touch of healing energy.
| ASIN | B07M7DGG2V |
| Best Sellers Rank | #912,346 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #167 in Loose Gemstones |
| Brand Name | GEMHUB |
| Clasp Type | no-clasp-type |
| Customer Reviews | 4.0 out of 5 stars 151 Reviews |
| Gem Type | Sapphire |
| Gem type | Sapphire |
| Grade Rating | B |
| Item Weight | 0.02 kg |
| Item display length | 23 millimeters |
| Item width | 17 millimeters |
| Manufacturer | Hamlet e commerce |
| Material | Gemstone |
| Metal type | No-metal-type |
| Primary Stone Gem Type | Sapphire |
| Ring Size | 4 |
| Stone Clarity | SI1-SI2 |
| Stone Color | blue |
| Stone Cut | Very Good |
| Stone Treatment Method | Color Enhanced |
| Stone Weight | 19 carats |
| Total Diamond Weight | 0.01 carats |
| Total Gem Weight | 19 carats |
| Total gem weight | 19 carats |
| Unit Count | 1 Count |
C**J
Very nice stone complete with card with certification number on it.
I picked this stone to make a sapphire ring for my grown son. I was nervous before it arrived hoping it would be the right size and shape to tumble for a wire wrap ring and when it arrived I was pleasantly surprised. I will say that right now it's in Grit 3 (prepolish). I only kept in in Grit 1 for three days because by that time, it had smoothed out perfectly. I also shortened Grit 2 and am shortening Grit 3 as well. I likely keep the polishing grit at full recommendation. However, I wanted to note it that the coarse grit tumble may take more stone off than you want if you're not careful. As it is, my stone is the perfect shape, the color is magnificent and I couldn't be more pleased. I would definitely buy from this vendor again to see if I get the same quality another time.
E**A
It’s ok
I was expecting something a little bit bigger but it is not too bad
C**7
Dyed stones
Seller should be more clear that the stone is dyed. Purple dye all over my hands. Very disappointing. Stone is very small. Not as represented at all. Not a reliable seller.
P**T
I love it.
Sapphire is my birthstone. But this raw crystal speaks to me. I have much to learn with it; I’m looking forward to making a pendant with it.
A**R
Stunning sapphire
This sapphire is very nice, the stone isn't very clear but it has beautiful color and is a good size, I will be buying more Jem's and creating more stunning jewelery!!
M**E
Natural Blue Sapphire
This stone looks exactly like the picture. Its color is very bright. I dont know enough about these stones to verify its authenticity but the color does not wash out.
B**Y
Was color enhanced
Not really happy with this stone. The sale page said natural the gem cert says color enhanced and it looks it. It also has three cracks through it and they come together in a way that will only yield one or two decent sized faceted stones. I'll up date this after I cut them if it is worth telling about.
D**Y
Beautiful piece
Beautiful piece.
M**D
Not the best
Not the best quality but good enough for display.
Trustpilot
2 weeks ago
3 days ago