Cushion|Natural|GIA

1.20ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 1553950564

Certificate GIA 1553950564

Diamond specifications and retailer prices

From $1,944 CAD
As of November 6, 2026
Save $2,590 CAD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,534 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553950564. Listed at 14 retailers as of November 4, 2026, with prices from $1,944 to $4,534, a $2,590 spread on the same certified stone. MOH London lists it at $4,534. 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
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553950564
Dimensions7.09 × 5.46 × 3.75 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural, Needle, Natural
Top View
7.09 mm5.46 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553950564
Side View
Table 68.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.7%

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: $4,534 CAD|Low: $1,944 CAD|High: $4,595 CAD|Avg: $2,914 CAD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$1,944 CAD
Retailer 2$2,038 CAD
Retailer 6$2,401 CAD
Retailer 9$2,594 CAD
Retailer 4$2,702 CAD
Retailer 5$2,816 CAD
Retailer 7$3,166 CAD
Retailer 3$3,524 CAD
MOH London$4,534 CAD

33 data points across 9 retailers

14 retailers$1,944 CAD to $4,534 CAD

A
Cheapest Retailer
-
$1,944 CAD
A
Retailer 2
-
$2,038 CAD
View
B+
Retailer 3
-
$2,401 CAD
View
B+
Retailer 4
-
$2,446 CAD
View
B+
Retailer 5
-
$2,447 CAD
View
Retailer 6
-
$2,594 CAD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
$2,677 CAD
View
B+
Retailer 8
-
$2,701 CAD
View
B+
Retailer 9
-
$2,702 CAD
View
B+
Retailer 10
-
$2,786 CAD
View
B+
Retailer 11
-
$2,816 CAD
View
B+
Retailer 12
-
$3,166 CAD
View
B+
Retailer 13
-
$3,524 CAD
View
Most Expensive
B
MOH London
A3A101AE3 · Nov 4
$4,534 CAD
£2,538 GBP
View
13 more retailers have this diamond
Prices start from $1,944 CADSave up to $2,590 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
$1,944 CAD