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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 $2,718 CAD
As of November 6, 2026
Save $3,581 CAD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,299 CAD 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 $2,718 to $6,299, a $3,581 spread on the same certified stone. MOH London lists it at $6,299. 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
Color
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: $6,299 CAD|Low: $2,682 CAD|High: $6,629 CAD|Avg: $3,872 CAD|-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$2,718 CAD
Retailer 2$2,851 CAD
Retailer 9$3,301 CAD
Retailer 13$3,327 CAD
Retailer 4$3,383 CAD
Retailer 12$3,467 CAD
Retailer 5$3,739 CAD
Retailer 7$3,768 CAD
Retailer 10$3,813 CAD
Retailer 3$3,924 CAD
Retailer 8$4,398 CAD
Retailer 6$4,474 CAD
MOH London$6,299 CAD

29 data points across 13 retailers

16 retailers$2,718 CAD to $6,299 CAD

A
Cheapest Retailer
-
$2,718 CAD
A
Retailer 2
-
$2,851 CAD
View
A
Retailer 3
-
$3,301 CAD
View
A
Retailer 4
-
$3,327 CAD
View
Final sale: no returns
A
Retailer 5
-
$3,383 CAD
View
A
Retailer 6
-
$3,467 CAD
View
A
Retailer 7
-
$3,505 CAD
View
Retailer 8
-
$3,739 CAD
View
Price last confirmed 21 days ago
A
Retailer 9
-
$3,768 CAD
View
B+
Retailer 10
-
$3,774 CAD
View
A
Retailer 11
-
$3,813 CAD
View
B+
Retailer 12
-
$3,924 CAD
View
Retailer 13
-
$4,217 CAD
View
Price last confirmed 30 days ago
B+
Retailer 14
-
$4,398 CAD
View
B+
Retailer 15
-
$4,474 CAD
View
Most Expensive
B
MOH London
D9C128CBD · Nov 4
$6,299 CAD
£3,526 GBP
View
15 more retailers have this diamond
Prices start from $2,718 CADSave up to $3,581 CAD

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
$2,718 CAD