The clarity grade of a diamond refers to the obvious degree of the characteristics of internal defects and external defects of a diamond. To put it bluntly, it means that the diamond is pure and impure inside. The purer the diamond is, the higher the diamond grade will be and the higher the diamond quality …
What is the difference between diamond clarity SI and VS? อ่านเพิ่มเติม »
Ⅰ. 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 …
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 …
Before choosing a diamond ring, everyone will consider such a question, that is, if I buy this diamond, will it increase in value in the future, or at least preserve its value? Come hear a case from my client. A friend bought a two-carat D IF 3EX NONE diamond from a jewelry company. Although the …
How to choose a diamond to preserve its value? อ่านเพิ่มเติม »
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 …
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 …
What are the 10 most common problems with lab-grown diamonds? อ่านเพิ่มเติม »
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 …
Comparison table of diameter (มม) and weight (กะรัต) of loose round diamonds อ่านเพิ่มเติม »
Diamonds are the jewels that speak for themselves when expressing love. To top it all off, lab-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 result, manufactured diamonds began to appear. What are lab-grown diamonds, and …