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Cushion|Natural|GIA

1.20ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 2556054396

Certificate GIA 2556054396

Diamond specifications and retailer prices

From $1,746 CAD
As of November 6, 2026
Save $2,404 CAD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,150 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 2556054396. Listed at 15 retailers as of November 4, 2026, with prices from $1,746 to $4,150, a $2,404 spread on the same certified stone. MOH London lists it at $4,150. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556054396
Dimensions6.82 × 5.23 × 3.80 mm
L/W Ratio1.30
Top View
6.82 mm5.23 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556054396
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 72.8%

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: $4,150 CAD|Low: $1,746 CAD|High: $4,459 CAD|Avg: $2,668 CAD|-6.9%
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
November 6, 2026
Retailer 10$1,746 CAD
Retailer 5$2,166 CAD
Retailer 4$2,189 CAD
Retailer 12$2,193 CAD
Retailer 13$2,234 CAD
Retailer 6$2,251 CAD
Retailer 9$2,363 CAD
Retailer 7$2,432 CAD
Retailer 11$2,476 CAD
Retailer 3$2,566 CAD
Retailer 8$2,899 CAD
Retailer 2$3,225 CAD
Retailer 14$3,630 CAD
MOH London$4,150 CAD

33 data points across 14 retailers

15 retailers$1,746 CAD to $4,150 CAD

A
Cheapest Retailer
-
$1,746 CAD
Retailer 2
-
$2,166 CAD
View
Price last confirmed 9 days ago
Retailer 3
-
$2,189 CAD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$2,193 CAD
View
Final sale: no returns
B+
Retailer 5
-
$2,234 CAD
View
Retailer 6
-
$2,251 CAD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$2,363 CAD
View
B+
Retailer 8
-
$2,432 CAD
View
B+
Retailer 9
-
$2,476 CAD
View
B+
Retailer 10
-
$2,566 CAD
View
B+
Retailer 11
-
$2,677 CAD
View
B+
Retailer 12
-
$2,899 CAD
View
B
Retailer 13
-
$3,225 CAD
View
B
Retailer 14
-
$3,630 CAD
View
Most Expensive
B
MOH London
12C279E0C · Nov 4
$4,150 CAD
£2,323 GBP
View
14 more retailers have this diamond
Prices start from $1,746 CADSave up to $2,404 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
$1,746 CAD