Assurance
Certifications at Diava
Nothing leaves our bench unverified. Every gram of gold and every diamond carries independent proof of exactly what it is.
Gold
BIS Hallmark
Bureau of Indian Standards
- Purity stamped in karats — 14K, 18K or 22K
- The official BIS hallmark logo
Verify any piece yourself through the BIS Care App.
Lab Grown Diamonds
IGI
Diamond Certificate
International Gemological Institute
- Carat weight, colour and clarity grading
- Cut quality, polish and symmetry
- Fluorescence, and a unique laser inscription
- Issued for every lab grown diamond of 1 carat and above
Verify any certificate on igi.org using its certificate number.
Natural Diamonds
IGI / GIA
Diamond Certificate
International Gemological Institute or Gemological Institute of America
- Full colour, clarity and cut assessment
- Polish, symmetry and fluorescence ratings
- A unique laser identification number
- Issued for every natural diamond above 1 carat — and on request for smaller stones
Verify any certificate on igi.org or gia.edu using its certificate number.
Why It Matters
A certificate is a promise you can hold
Certification is an objective, independent assessment of quality and authenticity. It tells you exactly what you own, what it is worth, and lets you buy with the same confidence we sell with.