GRA Certification
Every Rubielle London Moissanite centre stone is accompanied by an official grading report issued by GRA – Global Gemological Research Academy.
GRA is an independent gemological institution specialising in gemstone identification and grading. Each certified moissanite is carefully analysed and documented according to internationally recognised standards.
Your certification includes:
- Carat weight
- Cut grade
- Clarity grade
- Colour grade
- Polish and symmetry
- Unique report number
- Laser inscription reference
Each stone is individually registered and traceable via its report ID, providing authenticity, transparency and confidence — much like certified diamond documentation.
Your jewellery is delivered with:
- Official GRA grading booklet
- Warranty card with registration ID
- Unique certification number