Membeli cincin kawin dengan anggaran sebesar 10,000 yuan, apakah lebih baik membeli berlian buatan atau berlian alami?
Pertama, let’s see the difference between the two. Berlian yang tumbuh di laboratorium: Lab-grown diamonds are diamonds that have been grown artificially. It is a crystal with the same appearance, chemical composition and crystal structure as a natural diamond. The Mohs hardness is 10, the density is 3.52, indeks bias adalah 2.417, and the dispersion value is …