Our certified diamond reports, verified by trusted gemologists, detail the diamond's characteristics for informed purchases. Additionally, our jewelry certification programs cover gold quality, diamond weight, origin, and more for accurate value assessment.
Diamond and gemstone jewelry certification is a comprehensive process that encompasses a detailed examination of both the diamond and gemstone attributes. This certification provides an accurate representation of the quality of the diamonds and gemstones used in the jewelry, ensuring transparency and authenticity for buyers.
Uncut diamonds, also known as raw or rough diamonds, are unpolished stones mined naturally. They vary in size and often have a yellow or brown hue. Colorless uncut diamonds are rare and valuable. Despite lacking the shine of cut diamonds, they hold unique allure.
Distinguishing lab-grown from natural diamonds without specialized tools is nearly impossible. Their origin—Earth vs. lab—sets them apart. Lab-grown diamond certification confirms their creation method.
Gemstone jewelry certification encompasses the thorough identification of gemstone species, variety, carat weight, refractive index, and other essential characteristics. This comprehensive process ensures accurate and detailed documentation of the gemstone's properties for informed purchasing decisions.
When inspecting jewelry, it's crucial to check for significant defects like loose diamonds, metal cracks, and setting issues such as prong height. Other concerns include weak solder links, incomplete or excessive polish, ensuring a thorough assessment for quality assurance.
Laser marking process are a popular choice for engraving and marking with logos, text on jewellery metal. It is helps to identify the jewellery quality and stone details which is mounted on metal.
Lab-grown diamonds, made in controlled labs via methods like CVD or HPHT, resemble natural ones in appearance and attributes. Differentiating them without specialized equipment is challenging; GIG utilizes advanced screening machines for accuracy.
GIG offers precise diamond sorting for various sizes based on color, clarity, cut, and more. We detect any undisclosed lab-grown diamonds or simulants, ensuring ethical and accurate services.
