Cushion|Natural|GIA

1.20ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 2556054396

Certificate GIA 2556054396

Diamond specifications and retailer prices

From $1,590 SGD
As of November 6, 2026
Save $2,191 SGD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,781 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 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 $1,590 to $3,781, a $2,191 spread on the same certified stone. MOH London lists it at $3,781. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,781 SGD|Low: $1,590 SGD|High: $4,063 SGD|Avg: $2,431 SGD|-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$1,590 SGD
Retailer 5$1,974 SGD
Retailer 4$1,994 SGD
Retailer 12$1,998 SGD
Retailer 13$2,035 SGD
Retailer 6$2,051 SGD
Retailer 9$2,153 SGD
Retailer 7$2,216 SGD
Retailer 11$2,256 SGD
Retailer 3$2,338 SGD
Retailer 8$2,641 SGD
Retailer 2$2,939 SGD
Retailer 14$3,308 SGD
MOH London$3,781 SGD

33 data points across 14 retailers

15 retailers$1,590 SGD to $3,781 SGD

A
Cheapest Retailer
-
$1,590 SGD
Retailer 2
-
$1,974 SGD
View
Price last confirmed 10 days ago
Retailer 3
-
$1,994 SGD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
$1,998 SGD
View
Final sale: no returns
B+
Retailer 5
-
$2,035 SGD
View
Retailer 6
-
$2,051 SGD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$2,153 SGD
View
B+
Retailer 8
-
$2,216 SGD
View
B+
Retailer 9
-
$2,256 SGD
View
B+
Retailer 10
-
$2,338 SGD
View
B+
Retailer 11
-
$2,439 SGD
View
B+
Retailer 12
-
$2,641 SGD
View
B
Retailer 13
-
$2,939 SGD
View
B
Retailer 14
-
$3,308 SGD
View
Most Expensive
B
MOH London
12C279E0C · Nov 4
$3,781 SGD
£2,323 GBP
View
14 more retailers have this diamond
Prices start from $1,590 SGDSave up to $2,191 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
$1,590 SGD