RR Grading System

TRUST & TRANSPARENCY

Shape	Round	Oval	Pear	Marquise	Princess	Cushion	Cushion Modified	Cushion Brilliant	Emerald	Heart	Radiant	Asscher	Other

Color

D,E,F

Colorless

G,H,I,J

Near Colorless

K,L,M

Faint Yellow

N-R

Very Light Yellow

S-Z

Light Yellow

Clarity

FL

Flawless

IF

Internally Flawless

VVS1 / VVS2

Very Very Slightly Included

VS1 / VS2

Very Slightly Included

SI1 / SI2 / SI3

Slightly Included

I1 / I2 / I3

Included

CUT / POLISH / SYMMETRY

EX

Excellent

VG

Very Good

GD

Good

FR

Fair

PR

Poor

FLOURESCENCE

NONE

None

FNT

Faint

VSL

Very Slight

SL

Slight

MED

Medium

STG

Strong

VST

Very Strong

SHADE

NON

None

BRN1

Very Light Brown

BRN2

Light Brown

BRN3

Medium Brown

MT1

Very Light Mix Tinge

MT2

Light Mix Tinge

MT3

Medium Mix Tinge

GY1

Very Light Grey

GY2

Light Grey

GY3

Medium Grey

PURPLE

Purple

MILKY

NONE

None

M0

Very Light Milky

M1

Light Milky

M2

Medium Milky

M3

Heavy Milky

HEART & ARROW

EX

Excellent

VG

Very Good

N

None

EYE CLEAN

E0

100% Eye Clean

E1

Above 85% Eye Clean

E2

Above 70% Eye Clean

N

No Eye Clean

TABLE WHITE INCLUSION

NON

None

CW0

Minor

CW1

Small

CW2

Medium

CW3

Heavy

SIDE WHITE INCLUSION

NON

None

SW0

Minor

SW1

Small

SW2

Medium

SW3

Heavy

TABLE BLACK INCLUSION

NB

No Black

TBL0

Not Visible

TBL1

Minor

TBL2

Small

TBL3

Medium

SIDE BLACK INCLUSION

NB

No Black

SBL0

Not Visible

SBL1

Minor

SBL2

Small

SBL3

Medium

TABLE OPEN INCLUSION

N

No Open

TO1

Small Table Open

TO2

Medium Table Open

TO3

Heavy Table Open

CROWN OPEN INCLUSION

N

No Open

CO1

Small Crown Open

CO2

Medium Crown Open

CO3

Heavy Crown Open

PAVILION OPEN INCLUSION

N

No Open

PO1

Small Pavilion Open

PO2

Medium Pavilion Open

PO3

Heavy Pavilion Open