The “Grow Your Diamond” Preferential Program allows you to enjoy the appreciating potential of The Leo Diamond® by realizing the value of your previously purchased LEO at market price. By paying the price difference, you can easily own a bigger and brighter piece of The Leo Diamond® jewelry.

The Leo Diamond® provides a complete price transparency And you can easily check the market price of your owned LEO through "The Leo Diamond® Market Price" page in this website at your convenience.

GYD Formula / GYD Example / The Leo Diamond® Market Price / Terms and Conditions

The "Grow Your Diamond" Preferential Program – Formula:

(Tag price of New The Leo Diamond Jewelry – Current Main Stone Market Price – Current Metal Mounting Trade-in Price) x Member Discount


* The price of the new The Leo Diamond®(Main Stone) should be at least 40% above the market price of the current one.

The “Grow Your Diamond” Preferential Program – Example:

Current The Leo Diamond® Jewelry:

Jewelry Purchased Price: HK$17,576


Weight: 0.40 Carat
Color: F
Clarity: VS1

New The Leo Diamond® Jewelry :

New The Leo Diamond® Jewelry Price: HK$56,988
VIP Discount: 10% OFF

Weight: 0.72 Carat
Color: F
Clarity: VS1

Current Main Stone Market Price:HK$23,797 (Appreciation::35%)

Current Metal Mounting Trade-in Price: HK$600

Price difference to be paid for the new The Leo Diamond® Jewelry:(HK$56,988 – HK$23,797 – HK$600) X 0.9 = HK$29,332

In this example, you can own a larger The Leo Diamond by just paying

* Prices listed above is for reference only. If there is any discrepancy between in-store and internet calculated market prices, the in-store one shall prevail.

The Leo Diamond® Market Price

Please enter the details of The Leo Diamond® and click “Calculate” button.
*Kindly click “reset” button when searching for the market price of another Leo Diamond


Current market price of your checked Leo Diamond: HK$0


Terms & conditions:  
  • The calculated market price is not applicable to fixed price items.
  • The calculated market price is for reference only, and does not include any prices of mounting and side stones. If there is any discrepancy between in-store and internet calculated market prices, the in-store one shall prevail.
  • This market price calculator can only show prices of loose stones that fall into the color range of D-J. For further enquiry, please visit MaBelle / MADIA stores for assistance.

“Grow Your Diamond” Preferential Program - Terms and Conditions

  • The preferential policy shall be applicable in 12 months after the date of purchase.
  • The price of the new The Leo Diamond®(Main Stone) should be at least 40% above the market price of the current one.
  • The metal mounting of each The Leo Diamond® will be retrieved at different discounted prices according to its design.
  • The purchase receipt must be presented the GemEx and IGI certificates of the current Leo Diamond returned when taking advantage of the Grow Your Diamond Preferential Program
  • If certificate is not returned, extra fees will be collected according to the size of diamond:

  • Weight Fees (For each certificate)
    Under 0.50ct HK$500
    0.51ct – 1.00ct HK$800
    1.01ct or above HK$1,000

  • Takes minimum 3 working days for the verification of retrieved current The Leo Diamond.
  • If customers want to join “Grow Your Diamond Preferential Program” with “Sign Your Blessing” inscribed jewelry (except certification number). An administrative charge of HK$500 per jewelry will be charged.
  • The program is valid to MaBelle and MADIA Jewelry Shops in Hong Kong only. For further details, please call customer enquiry hotline (852) 2971 2222 or visit our shops.
  • We reserve the rights of any adjustments of the above mentioned terms and conditions and the final decisions.
  • The Leo Diamond® Hong Kong’s sole agent Lee Heng Diamond Group reserves the rights to make final decisions regarding the applicability of and calculations under the Grow Your Diamond Preferential Program on a case by case basis and also reserve the right to adjust or amend any of the above-mentioned terms and conditions.