This necklace is in the category of the Akoya Pearls according to the tested results and the P.S.L criteria. Originating from Japan, these pearls have been hand selected for their top AAA quality and their exceptional lustre and come with an Authenticity Certificate issued by the Pearl Science Laboratory. Nr FA 124652 Pearl Information: Pearl Size: 9.5x10.0mm Interference colour: Vivid Surface Quality: Very Good - Excellent Lustre: Excellent Shape: Near Round Remarks: Tests confirmed that the blue colouration of the pearl came from organic substance. Generally identified as "naturally coloured blue". The necklace is fastened with an elegant ball clasp in 925 solid silver. The clasp is safe and easy to open/close. The 45cm necklace sits nicely below the collarbone and is individually hand-knotted between each pearl for safety and comfort. Packaging: Necklace jewellery box and an Authenticity Certificate to guarantee the source and quality. Insured track and trace delivery. #weddingcampaign