General Gemstone Questions

1. Are your gemstones natural?

Yes. WB Gem supplies 100% natural gemstones unless clearly stated otherwise. We source directly from trusted mines and reputable global suppliers to ensure authenticity.


2. Are your gemstones certified?

Many of our gemstones come with certificates from well-known gemological laboratories.
If a stone is uncertified, you can request certification before shipping.


3. How can I verify gemstone authenticity?

Every gemstone undergoes strict selection and quality checks.
We also offer optional certification, so buyers can confirm:

  • Natural origin

  • Treatment status

  • Color grading

  • Clarity

  • Authenticity

You may request additional videos or images before purchase.


4. Do you sell untreated gemstones?

Yes. We offer both:

  • Untreated gemstones (natural color)

  • Heated gemstones (industry-standard enhancement)

Treatment details are always disclosed transparently.


Sourcing & Quality


5. Where do your gemstones come from?

We source gemstones globally from regions known for quality production including:

  • Myanmar (Burmese rubies)

  • Sri Lanka

  • Madagascar

  • Mozambique

  • Brazil

  • Russia (demantoid)

  • Thailand

We also operate between China (Hainan) and Bangkok (JTC Building).


6. How do you select gemstones for quality?

We evaluate gemstones based on:

  • Color

  • Clarity

  • Cutting precision

  • Light performance

  • Origin

  • Treatment

  • Overall market value

Each stone is inspected individually before listing.


7. What makes precision-cut gemstones special?

Precision cutting enhances brilliance, symmetry, and beauty.
Our in-house cutting studio specializes in:

  • Precision cut

  • European cut

  • Standard cut

These stones show superior sparkle and are highly valued in fine jewelry.


Wholesale & B2B Questions


8. Do you offer wholesale gemstone pricing?

Yes. We supply gemstones in bulk to jewelers, designers, retailers, online stores, and gemstone dealers.


9. How can I start buying gemstones in bulk?


You may contact us directly with your requirements.
We regularly update new gemstone lots suitable for wholesalers.


10. Do you source specific gemstones on request?


Yes. We offer custom sourcing for rare stones, matched pairs, and calibrated sizes.


11. Can I become an agent or reseller?


Yes. We welcome global partners. You may share our product listings, promote our stones, and discuss your market strategy with us.


Retail Clients (B2C)


12. Do you sell single stones or only wholesale?


We serve both.
Retail customers can buy a single gemstone while businesses can buy in lots.


13. Do you offer custom jewelry making?


Yes.
We provide gemstone selection support and can send your stones to trusted third-party jewelry manufacturers.


14. Can I request videos before purchasing?


Yes. We can provide videos under natural light, indoor light, and magnification for clarity.


Shipping & Delivery


15. Do you ship internationally?


Yes. We provide secure worldwide shipping from:

  • Bangkok, Thailand

  • Haikou, China

Depending on stock availability.


16. How long does shipping take?


Most international deliveries take 5–12 business days, depending on the location.


17. Will customs taxes apply?


Import taxes depend on your country’s regulations.
The buyer is responsible for customs fees.


Still Have Questions?


If you have additional questions about gemstones, certification, bulk orders, or custom sourcing — feel free to contact us anytime.