DF GJ KM Color hpht lab grown diamonds sou entènèt

DF GJ KM Koulè hpht lab grown diamonds sou entènèt Imaj Prezante

Deskripsyon kout:

HPHT, ke yo rele tou metòd katalis kristal, se yon metòd pou kristalize nan dyaman (konplètman simulation kwasans lan nan dyaman natirèl) pa depoze kouch kristal sou grenn kristal atravè yon katalis (jeneralman lè l sèvi avèk alyaj fè-nikèl) ak chanm reyaksyon segondè presyon. lè l sèvi avèk grafit kòm yon sous kabòn.

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Paramèt nan hpht lab grandi Diamonds

Kòd #	Klas	Pwa Carat	Klète	Gwosè
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	C	0.8-1.0ct	SI2-I1	4.5-5.5mm
10D	D	0.8-1.0ct	I1-I3	4.5-5.5mm
15A	A	1.0-1.5ct	VVS-SI1	5.0-6.0mm
15B	B	1.0-1.5ct	SI1-SI2	5.0-6.0mm
15C	C	1.0-1.5ct	SI2-I1	5.0-6.0mm
15D	D	1.0-1.5ct	I1-I3	5.0-6.0mm
20A	A	1.5-2.0ct	VVS-SI1	5.5-6.5mm
20B	B	1.5-2.0ct	SI1-SI2	5.5-6.5mm
20C	C	1.5-2.0ct	SI2-I1	5.5-6.5mm
20D	D	1.5-2.0ct	I1-I3	5.5-6.5mm
25A	A	2.0-2.5ct	VVS-SI1	6.5-7.5mm
25B	B	2.0-2.5ct	SI1-SI2	6.5-7.5mm
25C	C	2.0-2.5ct	SI2-I1	6.5-7.5mm
25D	D	2.0-2.5ct	I1-I3	6.5-7.5mm
30A	A	2.5-3.0ct	VVS-SI1	7.0-8.0mm
30B	B	2.5-3.0ct	SI1-SI2	7.0-8.0mm
30C	C	2.5-3.0ct	SI2-I1	7.0-8.0mm
30D	D	2.5-3.0ct	I1-I3	7.0-8.0mm
35A	A	3.0-3.5ct	VVS-SI1	7.0-8.5mm
35B	B	3.0-3.5ct	SI1-SI2	7.0-8.5mm
35C	C	3.0-3.5ct	SI2-I1	7.0-8.5mm
35D	D	3.0-3.5ct	I1-I3	7.0-8.5mm
40A	A	3.5-4.0ct	VVS-SI1	8.5-9.0mm
40B	B	3.5-4.0ct	SI1-SI2	8.5-9.0mm
40C	C	3.5-4.0ct	SI2-I1	8.5-9.0mm
40D	D	3.5-4.0ct	I1-I3	8.5-9.0mm
50A	A	4.0-5.0ct	VVS-SI1	7.5-9.5mm
50B	B	4.0-5.0ct	SI1-SI2	7.5-9.5mm
60A	A	5.0-6.0ct	VVS-SI1	8.5-10mm
60B	B	5.0-6.0ct	SI1-SI2	8.5-10mm
70A	A	6.0-7.0ct	VVS-SI1	9.0-10.5mm
70B	B	6.0-7.0ct	SI1-SI2	9.0-10.5mm
80A	A	7.0-8.0ct	VVS-SI1	9.0-11mm
80B	B	7.0-8.0ct	SI1-SI2	9.0-11mm
80+A	A	8.0ct +	VVS-SI1	9mm +
80+B	B	8.0ct +	SI1-SI2	9mm +

4C Standard of hpht lab grown diamans

Hpht lab grandi Diamonds Koulè

Koulè dyaman klase nan yon anviwònman gade ofisyèl.Gemologists analize koulè nan seri D a Z koulè ak dyaman an mete tèt anba, wè nan bò a, fasilite yon View net.

Hpht laboratwa grandi Diamonds Clarity

Klas klè selon estanda entènasyonalman aksepte nan agrandisman 10X, dapre vizibilite, gwosè, nimewo, kote ak nati karakteristik entèn ak sifas nan agrandisman sa a.