At SORA by K.P., all colored gemstones undergo mandatory certification in gemological laboratories. Standard documentation is issued by GAIA or GFCO, while sapphires, emeralds, or rubies are certified by ICA or Bellerophon laboratories. Less expensive stones, such as amethysts, come with AGA certificates. For unique and rare pieces, such as Royal Blue sapphires or Pigeon's Blood rubies, we commission high-level analysis from the Swiss gemological laboratory GRS, which includes an extensive report on the findings.
Pearl necklaces are accompanied by certification from The Japan Pearl Science Laboratory or Tokyo Pearl Institute — world-renowned Japanese laboratories specializing in pearl evaluation. These certificates confirm the authenticity and outstanding qualities of the pearls, ensuring their exceptional beauty and value. A special pride of SORA is the “HANADAMA” - grade pearls, representing the pinnacle of perfection in Akoya pearls.
If you wish to obtain a certificate for a colored gemstone from a specific laboratory, we can arrange certification through GRS, GIA, HRD, Gübelin, Bellerophon, The Japan Pearl Science Laboratory, Tokyo Pearl Institute, and other leading laboratories worldwide. Please note that all types of certification are only possible before the gemstone or pearl is set in the jewelry and must be requested as part of a custom stone or pearl order.
SORA provides a warranty on all jewelry purchased from our boutique or website. This warranty covers only hidden manufacturing defects under the condition of normal wear. The presence of a hidden defect must be confirmed by an expert evaluation from our company's jewelry production specialists. The warranty does not cover normal wear and tear, damage caused by external mechanical impact, improper care, or misuse of the jewelry.
We are confident in the high quality of our jewelry, and throughout our many years in the market, no manufacturing defects have been identified. However, if you ever need to repair any of our pieces, please feel free to contact us in the way most convenient for you. Our consultants will assist you in selecting the appropriate service for maintenance or repair.