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Cushion|Natural|GIA

1.20ct E SI2 Cushion Natural Diamond

ID • E/SI2 • GIA 1555393956

Certificate GIA 1555393956

Diamond specifications and retailer prices

From $2,439 AUD
As of November 6, 2026
Save $3,195 AUD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,634 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555393956. Listed at 12 retailers as of November 4, 2026, with prices from $2,439 to $5,634, a $3,195 spread on the same certified stone. MOH London lists it at $5,634. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.20
Carat
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555393956
Dimensions6.04 × 5.95 × 4.09 mm
L/W Ratio1.02
Girdle conditionFaceted
Top View
6.04 mm5.95 mm1.20 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555393956
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,634 AUD|Low: $2,403 AUD|High: $5,935 AUD|Avg: $3,493 AUD|-5.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$2,439 AUD
Retailer 2$2,688 AUD
Retailer 11$2,695 AUD
Retailer 6$2,701 AUD
Retailer 3$2,888 AUD
Retailer 8$2,998 AUD
Retailer 10$3,093 AUD
Retailer 5$3,173 AUD
Retailer 4$4,004 AUD
Retailer 7$5,011 AUD
MOH London$5,634 AUD

38 data points across 11 retailers

12 retailers$2,439 AUD to $5,634 AUD

A
Cheapest Retailer
-
$2,439 AUD
A
Retailer 2
-
$2,688 AUD
View
A
Retailer 3
-
$2,695 AUD
View
Final sale: no returns
A
Retailer 4
-
$2,701 AUD
View
A
Retailer 5
-
$2,888 AUD
View
A
Retailer 6
-
$2,998 AUD
View
A
Retailer 7
-
$3,093 AUD
View
A
Retailer 8
-
$3,173 AUD
View
A
Retailer 9
-
$3,478 AUD
View
A
Retailer 10
-
$4,004 AUD
View
B+
Retailer 11
-
$5,011 AUD
View
Most Expensive
B+
MOH London
CF3235B18 · Nov 4
$5,634 AUD
£3,048 GBP
View
11 more retailers have this diamond
Prices start from $2,439 AUDSave up to $3,195 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.20ct Cushion
$2,439 AUD