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Cushion|Natural|GIA

1.20ct E SI1 Cushion Natural Diamond

ID • E/SI1 • GIA 5553311990

Certificate GIA 5553311990

Diamond specifications and retailer prices

From $2,476 SGD
As of November 6, 2026
Save $3,263 SGD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,739 SGD 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553311990. Listed at 16 retailers as of November 4, 2026, with prices from $2,476 to $5,739, a $3,263 spread on the same certified stone. MOH London lists it at $5,739. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 5553311990
Dimensions7.10 × 5.45 × 3.71 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Cavity, Needle
Top View
7.10 mm5.45 mm1.20 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 5553311990
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.0%

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: $5,739 SGD|Low: $2,444 SGD|High: $6,040 SGD|Avg: $3,527 SGD|-5.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 11$2,476 SGD
Retailer 2$2,598 SGD
Retailer 9$3,008 SGD
Retailer 13$3,031 SGD
Retailer 4$3,082 SGD
Retailer 12$3,159 SGD
Retailer 5$3,406 SGD
Retailer 7$3,433 SGD
Retailer 10$3,474 SGD
Retailer 3$3,576 SGD
Retailer 8$4,008 SGD
Retailer 6$4,077 SGD
MOH London$5,739 SGD

29 data points across 13 retailers

16 retailers$2,476 SGD to $5,739 SGD

A
Cheapest Retailer
-
$2,476 SGD
A
Retailer 2
-
$2,598 SGD
View
A
Retailer 3
-
$3,008 SGD
View
A
Retailer 4
-
$3,031 SGD
View
Final sale: no returns
A
Retailer 5
-
$3,082 SGD
View
A
Retailer 6
-
$3,159 SGD
View
A
Retailer 7
-
$3,194 SGD
View
Retailer 8
-
$3,406 SGD
View
Price last confirmed 21 days ago
A
Retailer 9
-
$3,433 SGD
View
B+
Retailer 10
-
$3,439 SGD
View
A
Retailer 11
-
$3,474 SGD
View
B+
Retailer 12
-
$3,576 SGD
View
Retailer 13
-
$3,842 SGD
View
Price last confirmed 30 days ago
B+
Retailer 14
-
$4,008 SGD
View
B+
Retailer 15
-
$4,077 SGD
View
Most Expensive
B
MOH London
D9C128CBD · Nov 4
$5,739 SGD
£3,526 GBP
View
15 more retailers have this diamond
Prices start from $2,476 SGDSave up to $3,263 SGD

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
$2,476 SGD