Company Profile
The company has been listed on the Stock Exchange since 1998. It features a state-level enterprise R&D center, a post-doctoral research station, and a diamond standardization working group. As a premier enterprise with assets of RMB 15.4 billion and over 20,000 employees, it serves as the world's largest synthetic industrial diamond manufacturing base. The annual diamond output reaches 4 billion carats, ranking first globally.
Frequently Asked Questions
How do you guarantee the quality of the diamonds?
We always provide a pre-production sample before mass production and conduct a final inspection before shipment to ensure the highest standards.
Do you accept OEM or customized orders?
Yes, OEM orders are warmly welcomed. We have extensive experience in OEM projects and a professional design team to assist with packaging and product specifications.
What types of products can I purchase from you?
You can find HPHT and CVD lab-grown diamonds, CVD plates, lab-grown diamond jewelry, and loose lab-grown diamonds in various shapes and sizes.
What is the typical lead time for an order?
For stock items, we ship within 2 days. For customized or irregular gemstones, the production time is typically 15-20 days.
How long does the production process take?
Production time varies by product and quantity. We strive to complete all orders in the shortest time possible without compromising quality.
Which markets do you primarily serve?
We supply diamonds and jewelry globally, including to Southeast Asia, Europe (North, East, West, South), Australia, South America, and Central America.
Locke Jewelry
