About
Serving the Diamond Industry Since 1980.

Since 1980, we have been a trusted name in the diamond industry, specializing in the manufacturing of high-quality natural diamonds. With decades of expertise and craftsmanship, we take pride in offering diamonds that exemplify beauty, elegance, and precision. Our dedication to quality, sustainability, and innovation ensures that every diamond we create meets the highest standards, making us a leader in the global market. Whether for engagement rings, jewelry, or investment, we are committed to providing our clients with timeless treasures that shine for generations.
We specialize in crafting a wide range of single-cut and full-cut (Round Brilliant Cut) diamonds, offering unparalleled quality across all purity grades (VVS, VS, SI, I, PK) and colors (White, Next to White, TTLB, TLC, and NATTS) to meet the diverse needs of our esteemed clientele. Our diamonds are available across all price ranges, ensuring accessibility without compromising on quality.
As proud members of prestigious organizations such as:
– Hong Kong Indian Diamond Association (HKIDA) (Membership No. OM0224)
– Hong Kong Jewellery & Jade Manufacturers Association (HKJJMA) (Membership No. AM366-24)
– Hong Kong Jewelry Manufacturer’s Association (HKJMA) (Membership No. 721)
– Hong Kong Customs and Excise Department (Category A Registered: A-B-23-12-03183)

World's First Largest Single Cut (8/8) Diamond Manufacturer, Manufacturer of Full Cut Diamonds

Our Strength & Commitment
We believe in building long-lasting relationships with our customers based on trust and reliability. With a strong foundation and dedication to continuous improvement, we strive to meet every challenge head-on. Our team is fully committed to delivering the best possible experience.
Nice Make & Reliable Price
Our products are crafted with utmost care and attention to detail. We focus on providing a premium finish while ensuring that our prices remain competitive. Our goal is to make high-quality goods accessible to all, offering you the best value for your investment.
Precise Assortment
We take pride in our curated selection of products. Our team carefully selects every item to ensure it meets our rigorous standards for quality and usability. You’ll find a range of products designed to meet your specific needs, with no compromise on excellence.
Consistency of Goods
At AAYU HK LTD., consistency is key. We understand the importance of dependable products, which is why we ensure that each item you receive is of the same high standard. Whether you’re ordering once or regularly, you can count on us to deliver reliable quality every time.
Size & Order Based Work
We understand that every customer has unique requirements. Whether you need bulk orders or customized sizes, we’re equipped to handle all types of orders efficiently. We offer flexibility to accommodate your needs and ensure that you get exactly what you’re looking for.
Promising Quality
Our commitment to quality is unwavering. From the selection of materials to the final product inspection, we never compromise on craftsmanship. Our rigorous quality control process ensures that every item meets your expectations and performs reliably over time.
On-Time Fast Delivery
We recognize that timely delivery is critical to our customers’ success. That’s why we prioritize fast and reliable shipping, ensuring your order arrives on time, every time. No delays, no excuses—just efficient, prompt service.