GD Lifetime Diamond Upgrade Service – Terms & Conditions

For over 30 years, GALLERY DIAMOND has proudly offered a trusted Lifetime Diamond Upgrade Service, giving customers the flexibility to upgrade their engagement ring diamond or certified loose diamond with confidence. Our diamond trade-in and upgrade program allows you to exchange your existing diamond for a higher value stone while maintaining the highest standards of certification, craftsmanship, and security.
To learn more about the GD Lifetime Diamond Upgrade Service, speak directly with a GD Diamond Expert at +44 20 3318 7079 or email info@gallerydiamond.com. Our team will be delighted to guide you in selecting your new diamond and assist you every step of the way

Diamond Upgrade Eligibility

  • To qualify for the GD Diamond Upgrade Service:
  • The diamond must have been originally purchased from GALLERY DIAMOND.
  • The diamond must be certified by internationally recognized grading laboratories such as:
  • Gemological Institute of America(GIA)
  • HRD Antwerp
  • International Gemological Institute(IGI)
  • The service applies to single diamonds weighing 0.30 carats or above.
  • This ensures transparency, verified quality, and accurate upgrade value.

Mounted Diamonds & Engagement Ring Settings

  • If your diamond is mounted in a ring or jewellery setting:
  • You may reuse your existing setting if it is compatible with your upgraded diamond.
  • Our diamond specialists will assess the structure, size, and security of the setting before confirming reuse.
  • If suitable, we will professionally reset your new diamond into your existing ring

When a New Setting Is Required

If your original setting cannot safely accommodate the upgraded diamond:

You may choose to keep the original setting, or

Accept a credit value determined by GALLERY DIAMOND toward a new setting.

For quality assurance and craftsmanship standards, any diamond not originally set by GALLERY DIAMOND must be returned without its setting to qualify for the upgrade program.

Loose Diamond – GD Upgrade Service Terms

  • At GALLERY DIAMOND, our Lifetime Diamond Upgrade Service offers flexibility and long-term value for clients who have invested in certified loose diamonds.
  • Eligible Diamonds
  • The following loose diamonds qualify for the GD Upgrade Program:
  • Round Brilliant Cut diamonds graded by:
  • Gemological Institute of America(GIA)
  • HRD Antwerp
  • International Gemological Institute(IGI)
  • Fancy Shape – Modified Brilliant Cut diamonds graded by GIA, HRD, or IGI.
  • Fancy shape diamonds are eligible for upgrade provided the new purchase is also a fancy shape modified brilliant cut diamond.
  • All eligible diamonds must have been originally purchased from GALLERY DIAMOND.

Diamond Revaluation & Upgrade Credit

  • Before enrolling in the Diamond Upgrade Program, your diamond will be professionally re-evaluated according to current GD market pricing.
  • Clients will receive a credit equal to 80% of the original purchase price. The new diamond selected must be valued at a minimum of twice the original diamond’s purchase price.
  • This structure ensures meaningful progression in size, quality, or value when upgrading your diamond

Diamond Reports (GIA, HRD, IGI)

1. If your diamond grading report is damaged, additional charges may apply.
2. The original international diamond grading report must be returned in its original condition and be fully usable to qualify for the upgrade service

Condition Requirements

To qualify for the GD Diamond Upgrade Service:
1. The diamond must be in its original, undamaged condition.
2. The original diamond grading report must be presented at the time of upgrade.
3. Any damage to the diamond or its grading certificate may result in disqualification from the program

Important Policy Notes

1. GALLERY DIAMOND does not provide a diamond downgrade service.
2. The Diamond Upgrade Program does not offer cash refunds.
3. Upgrade value is exclusively applied toward the purchase of a new eligible diamond.

Service Availability

1. The GD Diamond Upgrade Service is valid for diamonds purchased in UK or Greece.
2. For purchases made in other countries, eligibility will be reviewed on a case-by-case basis.
3. The upgrade purchase must be completed in the original purchase currency

Upgrade Service

If your diamond has a laser inscription on the girdle, it must be clearly visible and undamaged to remain eligible for the GD Upgrade Service

Exclusions

Natural Color Diamonds and Treated Color Diamonds are not eligible for the Upgrade Service