Apa itu berlian CVD? CVD (Deposisi Uap Kimia) berlian. Campuran gas yang mengandung karbon dan oksigen tereksitasi dan terdekomposisi pada suhu dan tekanan tinggi di bawah tekanan atmosfer standar untuk membentuk atom karbon intan aktif, yang disimpan pada substrat dan secara bergantian tumbuh menjadi berlian polikristalin (or controlled deposition growth conditions to …
round brilliant diamonds shapeThe round shape is the most famous diamond cut as it accounts for nearly half of all polished diamonds. This is one of the great cuts named for its strong light properties. The ultimate formula for Round Brilliant was developed by Marcel Tolkowsky in 1919: all 58 facets are symmetrically cut, allowing …
Replicating what’s happening deep underground is difficult, time-consuming and expensive, but the end result is the same as what’s been mined for centuries. There are easier ways to do this, but only the process we use, replicating nature to rearrange atoms to grow beautiful diamonds as unique as fingerprints. We do this because we care …
What is diamond cut? Excellent cut diamonds have a uniform and clear pattern of light and dark areas and provide the highest level of fire and brilliance, as nearly all incoming light is reflected through the table. Very good cut diamonds are very similar to very good cut diamonds. They provide extraordinary brilliance and fire …
Specification of Lab Grown Diamond Code # Grade Carat Weight Clarity Size 04A A 0.2-0.4ct VVS VS 3.0-4.0mm 06A A 0.4-0.6ct VVS VS 4.0-4.5mm 08A A 0.6-0.8ct VVS-SI1 4.0-5.0mm 08B B 0.6-0.8ct SI1-SI2 4.0-5.0mm 08C C 0.6-0.8ct SI2-I1 4.0-5.0mm 08D D 0.6-0.8ct I1-I3 4.0-5.0mm 10A A 0.8-1.0ct VVS-SI1 4.5-5.5mm 10B B 0.8-1.0ct SI1-SI2 4.5-5.5mm 10C …
Juga dikenal sebagai berlian tipe 2a berlian, Tipe IIa adalah salah satu dari empat klasifikasi intan. Sekitar 1-2% dari semua berlian diklasifikasikan sebagai Tipe IIa (atau 2a). Permata ini murni, atau hampir murni karbon, dan dianggap paling murni dan paling berharga dari semuanya. Type IIa diamonds have zero or …
