Default Store View China Traditional Chinese

Why 16Diamonds?

1. Quality Guarantee

Highest Quality Standards Guarantee

We take pride and are confident in the quality and the beauty of our diamonds. Our Diamonds are 100% natural, certified and meant to stay good with you for a lifetime. (With regular care and maintenance) Each diamond that you buy from us, is carefully evaluated, and inspected by reputed diamond laboratories such as IGI, GIA, NGTC and HRD to give you that extra level of confidence when buying from


Majority of jewelers don’t give diamond quality certificates when you purchase a diamond jewelry from them. Those who do give, usually give in-house certificates which are not verified by independent and reputed diamond laboratories. This makes your jewelry or diamond subject to verification and usually less valued when you opt to sell them in the market. For those jewelers who do offer independent laboratory certificates, only certify the diamonds after they are mounted on jewelry, which captures only partial quality details of the diamond. This makes great reason for you to shop your diamond first to ensure the quality and then get it mounted in your choice of setting.


Our sincere wish is “to serve our customers for life”. We make every effort to provide best quality gems and offer satisfaction, secure and risk free experience when buying from us. We at have longstanding experience in this industry. We stand firm for every piece of our goods, either loose diamonds or any part of the Jewelry which is bought from us. Our mission is to offer you surreal, secure, and risk-free shopping experience which is meant to give you complete satisfaction. Should you are not satisfied by any reason then please feel free to contact us, we shall do our best to rectify the situation.


2. Wholesale Prices

Best Value Guarantee is a young online jewelry retailing venture backed by its parent company “China Diamonds Corporation Ltd”, which is one of the largest diamond wholesaler in Hong Kong with over a decade of experience in loose diamonds trading (processed in own factory) and in Jewelry manufacturing (own factory). Since coming from manufacturers and wholesalers, offers amazingly low prices along with widest selection of diamonds. Our integrated facilities to produce diamonds from mines to finish  is our main strength and hence we can offer goods at wholesale prices. brings our clients the opportunity to shop directly from a leading diamond wholesaler and save substantially (up to 50%) on prices charged by retail jewelers.

Further, our website offers a wide spectrum of diamonds in all shapes, color and quality with round shape diamonds predominating. With good range to choose from, we are sure you would find the diamonds that perfectly suit you.


3. Risk Free Purchase

Safe and Secure Shopping

We have put great emphasis on security to ensure safe and secure shopping experience. To ensure your safety, when you input your credit cards details all the data is well protected. And to avoid any theft of information we use high levels of SSL encryption security to protect you against any possible frauds possible online. We only authorize the card at the time of processing your order and never charge your card or effect shipment without consulting you first.

Insured Shipments

To protect your goods, we effect all shipments with insurance cover in transit. And also inform you immediately of the AWB details to help you do tracking of your shipments.

30-days Return & Refund

With our 30-days return policy, you are well protected for every purchase that you make from us. It may seldom happen, that you may not be satisfied, for which you can avail our 30-days return policy to get refund of your payment.

Lifetime Trade-In Service

We provide lifetime trade-in service for any product that you buy from us. Whenever you want to upgrade for a bigger diamond (25% or more invoice value than your previous purchase), you can return your previous purchase and get an equivalent payment deduction on your new purchase.

Buyback Guarantee & Exchange

We offer a unique benefit of “Buyback Guarantee” & “Exchange” service for our valuable customers.

For a single product purchased for over USD 10,000, we offer guaranteed buyback with extra 5% value after 1 year of purchase from You may choose to exchange for another product from us or get cash refund.  

Free Resizing

For the first year of your purchase, we offer free of charge resizing of your engagement and wedding rings and stone tightening services.

Lifetime Warranty

While we make every effort to inspect our goods, hence the quality of each piece of Jewelry is tested in tightest quality control standards by our in-house skilled technicians and followed by the world renowned laboratories before effecting shipment. Further, most of our presold Jewelry does not need any maintenance, only periodic cleaning is required. We stay in control and back our goods by lifetime warranty. In any unlikely event if there is a problem, which may be due to any manufacturing defects,  then do notify us by email or you can also bring to our centers, where they may be fixed at free of charge repairs. Should your jewelry require any additional metal or diamond changes, we shall only charge you for those material charges. Further, you can also send us your jewelry for prong tightening, rhodium plating or cleaning issues.


4. Free Shipping

Free Shipping of Goods worth over HKD 3000.00

We offer free delivery services to all destinations for the orders placed with us for more than HKD 3000.00, through fast and reliable courier services. However, we do not ship the goods to any P.O. Boxes. Great news for ASIA region, we offer free delivery services for the orders placed with us for more than HKD 2000.00, to certain destinations such as below: Australia, Brunei, China, Indonesia, Japan, South Korea, Macau SAR China, Malaysia, New Zealand, Philippines, Singapore, Thailand, Taiwan, Vietnam. For Mainland China and Hong Kong, there is also Free of Cost Pick up available from our facilities.


5. Free Gift Packaging

At 16 Diamonds we make every effort to make sure that your ordered goods arrive in good shape as well are well presented when packed. Further, for Customers Confidence we include in each shipment, a unique and original Diamond Grading Certificate from qualified diamond laboratory to ensure its quality and authenticity. If you request Gift Packing with a Greeting Card to match the occasion, please let us know when placing the order. We shall make arrangements to deliver with greetings to your doorstep or to your loved ones you wish to Gift.  


6. Expert Guidance

Our highly skilled jewelry experts are always at standby should you need any advice, or education on the 4-Cs or maybe take advices to make a search and final decision. By carefully knowing your criteria and budgets we can offer help in selecting the right and distinct diamond or piece of jewelry for you


7. Designing Facilities & Custom Made Jewelry

Based on the existing showrooms and office, which has been our retailing and wholesaling business collectively over 15 years now in Hong Kong. With highly skilled craftsmen and Jewelry designers experienced in designing in house as well as making jewelry on clients own custom made designs and styles. We encourage clients to contact us through email or by calling us and our expert jewelry consultants would guide and advise them further.

Book a Appointment Service

Clients can visit our showrooms in Hong Kong, Macau and Shanghai for selections.. It is important to book an appointment to visit our Showrooms by approaching our Customer Services Representatives at

We offer below services exclusively

1) Selection and Buying or

2)   For Shipment Pick Up

Our Showrooms are equipped with complete infrastructure and equipment, attended by our professional graduated diamond experts who can educate and guide you to assist your buying process. The diamond experts are proficient in several languages including English, Cantonese & Mandarin dialects to serve better.

For further details, you may refer to our policies section or just call us on daytime telephone number +85223758018 or China toll free number 10800 852 1932 (CN Unicorn) and 10800 152 1932 (China Telecom) or send us email at We would be happy to assist you.