Diamond Clarity Chennai Tamil Nadu , INDIA

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Diamond Clarity is a very important factor in diamond grading. Diamonds are graded on a clarity scale with FL ( Flawless) or loupe clean being the highest clarity. This means the diamond has the highest degree of purity or freedom from inclusions; some might say ever say transparency or cleanness. Inclusions are formed in the crystallizing or forming process of a diamond, they are usually naturally occurring; some types of inclusions include carbon spots, other minerals, diamond itself plus other crystal inclusions like garnet. Some inclusions may look like fractures, clouds, feathers, stains bubbles or other or tiny crystals.

Clarity grading chart

Below are the foremost clarity grading scales ranged together with impressions of clarities drawn in top view on diamond diagrams.

	Gemological Institute of America GIA	American Gem Society	Scandinavian SCAN.D.N.		CIBJO Confederation International de la Bijouterie, Joaillerie, Orfevrierie des Diamantes.	HRD Hoge Raad voor Diamant Diamond High Council	Russian < 0.29 ct	Russian > 0.30 ct
			Main Grades <0.47 carats	Sub grades >>0.47 carats
	FL (flawless)	0	Loupe clean	FL	Loupe clean Free from inclusions and bearding	Loupe clean. Inclusions that do not exceed 5 micron	1	1
	Internally flawless	1		IF
	VVS1 (very, very slightly included)		VVS	VVS1	VVS (VVS1, VVS2) Very, very small inclusion(s), very hard to find with a 10x loupe	VVS1 - VVS2 Inclusions that are visible through table have average sizes of 12 micron (VVS1), 25 micron (VVS2), larger when visible through other facets	2	2
							3	3
	VVS2 (very, very slightly included)	2		VVS2				4
	VS1 (very slightly included)	3	VS	VS1	VS (VS1, VS2) Very small inclusion(s), which can hardly be found with a 10x loupe	VS1 - VS2 Inclusions that are visible through table have average sizes of 40 micron (VS1), 70 micron (VS2); larger when visible through other facets	4	5
	VS2 (very slightly included)	4		VS2			5	6
	SI1 (slightly included)	5	SI	SI1	SI (SI1, SI2) Small inclusion(s), easy to find with a 10x loupe, not seen with the naked eye through the crown side	S1 Inclusions that are visible through table have average sizes of 150 micron		7
	SI2 (slightly included)	6		SI2				7a
	I1 (imperfect)	7-8	P	P1	PI (Pique I) Inclusion(s) immediately evident with a 10x loupe, difficult to find with the naked eye through the crown side, not impairing brilliance	P1 Inclusions which are visible through the crown-side have average sizes of 0.5 mm	6	9
	I2 (imperfect)	9		P2	PII (Pique II) Large and/or numerous inclusion(s), easily visible to the naked eye through the crown side and which slightly reduce(s) brilliance	P2 Inclusions have average sizes of 1.5 mm; they slightly reduce brilliancy	7	10
	I3 (imperfect)	10		P3	PIII (Pique III) Large and/or numerous inclusion(s), very easily visible to the naked eye through the crown side and which reduce(s) brilliance	P3 Inclusions have average sizes of 3 mm or larger; they reduce the brilliancy	8-9	11-12

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