Základním pravidlem jsou tzv. čtyři C: Karát (Carat), čistota (Clarity), barva (Colour) a brus (Cut).
1	Základním	základní	ADJ	AANS7----1A----	Case=Ins|Degree=Pos|Gender=Neut|Number=Sing|Polarity=Pos	2	amod	2:amod	_
2	pravidlem	pravidlo	NOUN	NNNS7-----A----	Case=Ins|Gender=Neut|Number=Sing|Polarity=Pos	0	root	0:root	_
3	jsou	být	AUX	VB-P---3P-AA---	Mood=Ind|Number=Plur|Person=3|Polarity=Pos|Tense=Pres|VerbForm=Fin|Voice=Act	2	cop	2:cop	_
4	tzv	takzvaný	ADJ	AAXXX----1A---8	Abbr=Yes|Degree=Pos|Polarity=Pos	7	amod	7:amod	SpaceAfter=No
5	.	.	PUNCT	Z:-------------	_	4	punct	4:punct	_
6	čtyři	čtyři	NUM	ClXP1----------	Case=Nom|Number=Plur|NumForm=Word|NumType=Card|NumValue=1,2,3	7	nummod	7:nummod	LNumValue=4
7	C	c	NOUN	NNNXX-----A----	Gender=Neut|Polarity=Pos	2	nsubj	2:nsubj	SpaceAfter=No|LId=c-3|LGloss=(označení_pomocí_písmene)
8	:	:	PUNCT	Z:-------------	_	9	punct	9:punct	_
9	Karát	karát	NOUN	NNIS1-----A----	Animacy=Inan|Case=Nom|Gender=Masc|Number=Sing|Polarity=Pos	7	appos	7:appos	_
10	(	(	PUNCT	Z:-------------	_	11	punct	11:punct	SpaceAfter=No
11	Carat	carat	NOUN	NNIXX-----A----	Animacy=Inan|Foreign=Yes|Gender=Masc|Polarity=Pos	9	appos	9:appos	SpaceAfter=No
12	)	)	PUNCT	Z:-------------	_	11	punct	11:punct	SpaceAfter=No
13	,	,	PUNCT	Z:-------------	_	14	punct	14:punct	_
14	čistota	čistota	NOUN	NNFS1-----A----	Case=Nom|Gender=Fem|Number=Sing|Polarity=Pos	9	conj	7:appos|9:conj	_
15	(	(	PUNCT	Z:-------------	_	16	punct	16:punct	SpaceAfter=No
16	Clarity	clarity	NOUN	NNFXX-----A----	Foreign=Yes|Gender=Fem|Polarity=Pos	14	appos	14:appos	SpaceAfter=No
17	)	)	PUNCT	Z:-------------	_	16	punct	16:punct	SpaceAfter=No
18	,	,	PUNCT	Z:-------------	_	19	punct	19:punct	_
19	barva	barva	NOUN	NNFS1-----A----	Case=Nom|Gender=Fem|Number=Sing|Polarity=Pos	9	conj	7:appos|9:conj	_
20	(	(	PUNCT	Z:-------------	_	21	punct	21:punct	SpaceAfter=No
21	Colour	colour	NOUN	NNFXX-----A----	Foreign=Yes|Gender=Fem|Polarity=Pos	19	appos	19:appos	SpaceAfter=No
22	)	)	PUNCT	Z:-------------	_	21	punct	21:punct	_
23	a	a	CCONJ	J^-------------	_	24	cc	24:cc	LId=a-1
24	brus	brus	NOUN	NNIS1-----A----	Animacy=Inan|Case=Nom|Gender=Masc|Number=Sing|Polarity=Pos	9	conj	7:appos|9:conj	_
25	(	(	PUNCT	Z:-------------	_	26	punct	26:punct	SpaceAfter=No
26	Cut	cut	NOUN	NNIXX-----A----	Animacy=Inan|Foreign=Yes|Gender=Masc|Polarity=Pos	24	appos	24:appos	SpaceAfter=No
27	)	)	PUNCT	Z:-------------	_	26	punct	26:punct	SpaceAfter=No
28	.	.	PUNCT	Z:-------------	_	2	punct	2:punct	_
