Looking for certified diamonds? At Ting Diamond, we offer GIA-certified diamonds with unique numbers on the girdle, ensuring transparency and authenticity. Our precision instruments allow you to verify the diamond's details, and you can always double-check on the GIA website. We also provide diamond test pens for accurate gemstone identification. If you ever need a third-party verification, we facilitate sending your diamond to GIA in Hong Kong. Trust Ting Diamond for quality and assurance.