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GIA certificate details

. The title section of the certificate Gemological Institute America®: GIA Laboratory logo; January 1, 2014: Issue date. This is the date the diamond received its GIA certificate. Personally, I think from this date we can roughly know that the diamond is newly mined and freshly ground. โดยทั่วไป, I recommend buying a GIA certificate

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What is a lab-grown diamond centile?

Lab-grown and natural diamonds share the same grading system Lab-grown diamonds and natural diamonds have exactly the same 4C grading standards. Like natural diamonds, cultivated diamonds are also called off stones, split stones, SLRs, foot reversals, and the like. Natural diamond centers and cultivated diamonds: Both refer to diamonds with a weight of less than

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liliang Diamond, the industry leader, saw a year-on-year increase of over 100% in its diamond business revenue in the first half of the year.

On the evening of August 10, Diamond, the leading force in the diamond industry, released its 2022 semi-annual report. The semi-annual report shows that in the first half of the year, the operating income was 448 million yuan, a year-on-year increase of 105.14%. The performance of the semi-annual report exceeded the forecast range, and the

liliang Diamond, the industry leader, saw a year-on-year increase of over 100% in its diamond business revenue in the first half of the year. อ่านเพิ่มเติม »

What are the 10 most common problems with lab-grown diamonds?

What is a lab-grown diamond?Lab-made diamonds are man-made or cultured diamonds. They are physically and optically identical to natural real diamonds. They have the same chemical and atomic composition, resulting in the same hardness, spark, and luster. Are lab-made diamonds real?A lab-made diamond is as real as a mined diamond. The only difference is that

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Comparison table of diameter (มม) and weight (กะรัต) of loose round diamonds

น้ำหนัก (CT) diameter(mm) Weight (CT) diameter(mm) Weight (CT) diameter(mm) Weight (CT) diameter(mm) 0.01 1.40 0.31 4.39 0.61 5.50 0.91 6.29 0.02 1.76 0.32 4.44 0.62 5.53 0.92 6.31 0.03 2.02 0.33 4.48 0.63 5.56 0.93 6.33 0.04 2.22 0.34 4.53 0.64 5.59 0.94 6.36 0.05 2.39 0.35 4.57 0.65 5.62 0.95 6.38 0.06 2.54 0.36 …

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Know the importance of a Lab-Grown Diamond

Diamonds are the jewels that speak for themselves when expressing love. To top it all offlab-grown diamond engagement rings are a wonderful present for dear ones on the evening of their big days. There is a downside to mining diamonds, which is damaging the environment. As a resultmanufactured diamonds began to appear. What are lab-grown diamonds, and

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