Education
Stay Informed (8.05)
Staying informed on new developments and identification methods of lab-grown diamonds is imperative.
Stay Informed (8.05)
Staying informed on new developments and identification methods of lab-grown diamonds is imperative.
Lab-Grown Diamond Valuation (8.03)
Since lab-grown diamonds can be made in weeks or months with no mining costs and far less overhead in employees and manufacturing versus mining equipment pricing has come down dramatically....
Lab-Grown Diamond Valuation (8.03)
Since lab-grown diamonds can be made in weeks or months with no mining costs and far less overhead in employees and manufacturing versus mining equipment pricing has come down dramatically....
A Brief History (8.02)
On December 16, 1954 the General Electric chemist, H. Tracy Hall, produced the first reproducible HPHT (high pressure high temperature) synthetic diamond.
A Brief History (8.02)
On December 16, 1954 the General Electric chemist, H. Tracy Hall, produced the first reproducible HPHT (high pressure high temperature) synthetic diamond.
Avoiding It (10.08)
Avoiding It (10.08)So how do you avoid such a fiasco? Watch for the fish-eye, which becomes gradually more obvious as the pavilion becomes flatter. In this case, the girdle reflection...
Avoiding It (10.08)
Avoiding It (10.08)So how do you avoid such a fiasco? Watch for the fish-eye, which becomes gradually more obvious as the pavilion becomes flatter. In this case, the girdle reflection...
Strong Blue Detracts Yellow (10.07)
Strong Blue Detracts Yellow (10.07)The second obstacle in this case, was a strong (undetected) blue fluorescence. Strong blue fluorescence and sometimes medium blue, will partially cancel yellow; a “K-L” color...
Strong Blue Detracts Yellow (10.07)
Strong Blue Detracts Yellow (10.07)The second obstacle in this case, was a strong (undetected) blue fluorescence. Strong blue fluorescence and sometimes medium blue, will partially cancel yellow; a “K-L” color...
From an H to a K? (10.06)
From an H to a K? (10.06)How could a “K” color look like an “H” in the mounting? Usually when using a comparison stone, you can come relatively close to...
From an H to a K? (10.06)
From an H to a K? (10.06)How could a “K” color look like an “H” in the mounting? Usually when using a comparison stone, you can come relatively close to...