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How to Identify Genuine Diamonds?

Dubai has a reputation for housing numerous high-end jewelry stores that offer competitive prices for diamond and gold jewelry. Being a major player in the global diamond trade, Dubai provides a diverse selection of diamond jewelry with high quality. While great deals can be found in Dubai, it’s essential to be cautious as there have been instances of counterfeit diamonds and jewelry being sold in the city.

Here are some tips to help you ascertain the authenticity of diamonds:

Look for GIA-Certified Diamonds:

The Gemological Institute of America (GIA) is globally recognized for diamond expertise. A GIA certification ensures the diamond is authentic. Other reputable certifying bodies include the American Gem Society (AGS) and the European Gemological Laboratory (EGL).

Most genuine diamonds bear a laser inscription on the girdle, typically featuring the GIA certificate or AGS diamond report number. This inscription is usually invisible to the naked eye but can be viewed using a loupe or microscope.

Check for a Watermark:

Watermarks can indicate the realness of a diamond. Look for a raised image of an axe, scepter, or other object when holding the diamond to the light. Presence of a watermark suggests the diamond is genuine.

Examine Fluorescence:

When exposed to ultraviolet (UV) light, some diamonds emit a soft glow, known as fluorescence. While some may see fluorescence as a flaw, it often signifies an authentic diamond. Noteworthy diamonds like the Hope Diamond display strong fluorescence.

Request a Diamond Grading Report:

Always ask for a grading report from a reputable laboratory such as GIA or AGS when purchasing a diamond. This report provides comprehensive information about the diamond’s characteristics like carat weight, cut, color, and clarity.

Be Cautious of Unrealistic Deals:

If a deal appears too good to be true, exercise caution. Especially with loose diamonds, as they are more prone to being fake. Opt to purchase diamonds only from trusted, reputable dealers.

Assess Diamond Clarity:

Genuine diamonds are typically very clear. Cloudiness and numerous inclusions indicate a high likelihood of the diamond being fake. Inspect the diamond under a microscope to identify any imperfections.

Differentiate Diamond Types:

Lab-grown diamonds are real diamonds created in a lab, while synthetic diamonds are fabricated to mimic real diamonds. Imitation diamonds, on the other hand, are not real diamonds but are crafted from materials like cubic zirconia or moissanite.

Conduct Research:

Prior to diamond purchase, conducting research is advisable. Understanding diamond types and factors influencing their value is crucial. Reputable dealers often showcase GIA or AGS-certified diamonds.

If uncertain about a diamond’s authenticity, seek guidance from a jeweler or gemologist to confirm its genuineness.


Identifying genuine diamonds involves various methods such as checking for GIA certification, looking for watermarks, requesting grading reports, being cautious of unreal deals, inspecting clarity, and conducting thorough research. Consulting an expert is advised if unsure about diamond authenticity.

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