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Cushion|Natural|GIA

1.20ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1559310061

Certificate GIA 1559310061

Diamond specifications and retailer prices

From $2,431 CAD
As of November 6, 2026
Save $3,043 CAD (56%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,473 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1559310061. Listed at 21 retailers as of November 4, 2026, with prices from $2,431 to $5,473, a $3,043 spread on the same certified stone. MOH London lists it at $5,473. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559310061
Dimensions6.15 × 6.03 × 4.00 mm
L/W Ratio1.02
Girdle conditionFaceted
Top View
6.15 mm6.03 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559310061
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.4%

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: $5,473 CAD|Low: $2,394 CAD|High: $5,700 CAD|Avg: $3,308 CAD|-4.0%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 7$2,431 CAD
Retailer 10$2,445 CAD
Retailer 9$2,619 CAD
Retailer 17$2,660 CAD
Retailer 2$2,834 CAD
Retailer 16$2,854 CAD
Retailer 3$2,884 CAD
Retailer 11$2,895 CAD
Retailer 4$2,905 CAD
Retailer 5$2,996 CAD
Retailer 12$3,038 CAD
Retailer 8$3,072 CAD
Retailer 6$3,218 CAD
Retailer 19$3,227 CAD
Retailer 14$3,404 CAD
Retailer 15$3,823 CAD
Retailer 13$3,891 CAD
Retailer 18$4,930 CAD
MOH London$5,473 CAD

18 data points across 19 retailers

21 retailers$2,431 CAD to $5,473 CAD

A
Cheapest Retailer
-
$2,431 CAD
A
Retailer 2
-
$2,445 CAD
View
A
Retailer 3
-
$2,619 CAD
View
Final sale: no returns
A
Retailer 4
-
$2,660 CAD
View
A
Retailer 5
-
$2,834 CAD
View
A
Retailer 6
-
$2,854 CAD
View
A
Retailer 7
-
$2,884 CAD
View
A
Retailer 8
-
$2,895 CAD
View
A
Retailer 9
-
$2,905 CAD
View
A
Retailer 10
-
$2,996 CAD
View
A
Retailer 11
-
$3,038 CAD
View
A
Retailer 12
-
$3,072 CAD
View
A
Retailer 13
-
$3,218 CAD
View
A
Retailer 14
-
$3,227 CAD
View
B+
Retailer 15
-
$3,404 CAD
View
B+
Retailer 16
-
$3,445 CAD
View
B+
Retailer 17
-
$3,823 CAD
View
B+
Retailer 18
-
$3,891 CAD
View
Retailer 19
-
$4,135 CAD
View
Price last confirmed 31 days ago
B
Retailer 20
-
$4,930 CAD
View
Most Expensive
B
MOH London
E22E25E2B · Nov 4
$5,473 CAD
£3,064 GBP
View
20 more retailers have this diamond
Prices start from $2,431 CADSave up to $3,043 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
$2,431 CAD