
Natural diamond weighing 0.50 carats or more come with an IGI or GIA certificate. For a laboratory-grown diamond with VS clarity, this is 1 carat or more. However, for laboratory-grown diamonds with SI clarity, we do not offer certification.
You can find more certified and non-certified gemstones on our “More Custom Jewelry” and “Gemstones” pages.

All RROJA Jewels creations come with an international warranty and authenticity certificate, ensuring the jewelry is genuine, created and inspected with the highest quality standards. Our diamonds and other gemstones are sourced from ethical suppliers following the Kimberley Process principles.