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Free standard shipping on orders over $99
Estimated to be delivered on 12/01/2022 - 15/10/2022.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
The lens body can be adjusted freely within the range of 0-40°; there are mounting holes for gem clips on both sides;
Provide four lighting modes: bright field, dark field, top light and side light;
30W high brightness adjustable halogen bottom lamp;
Special heat dissipation device under the lampshade can effectively extend the service life of the bulb;
Equipped with a beam diameter of 2-42mm continuously adjustable large diaphragm, ring-shaped dark field diffuser without screw fixing design, minus screw image interference, providing high-quality dark field;
Top lightis 3W high-brightness LED white surface light source, 6500+500K color temperature meets the requirements of diamond grading lighting;
High brightness optical fiber auxiliary lighting.
Input voltage: 100V-240V,50-60Hz
| Eyepiece | WF10X/20mm |
| Continuous zooming | 7.0-45X |
| Zoom ratio | 6.4:1 |
| Working distance | 100mm |
| Eye distance adjustment range | 54mm-76mm |
1.Check the surface characteristics of the gemstone. The surface of the gemstone is scratched, etched, damaged, bond surface (bubble, gloss difference), double crystal pattern, triangle growth mark, growth pattern, growth ribbon and so on.
2.Observe the internal characteristics of the gem, including the type, shape, quantity, double crystal plane, growth pattern, color distribution characteristics of inclusions, etc., for those with special inclusions.
3.Observe the ghosting of the faceted edge of the gem.
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