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Cushion|Natural|GIA

1.20ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 2547450823

Certificate GIA 2547450823

Diamond specifications and retailer prices

From $1,763 SGD
As of November 6, 2026
Save $2,115 SGD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,879 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 2547450823. Listed at 10 retailers as of November 4, 2026, with prices from $1,763 to $3,879, a $2,115 spread on the same certified stone. MOH London lists it at $3,879. 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
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2547450823
Dimensions5.90 × 5.71 × 3.85 mm
L/W Ratio1.03
Top View
5.90 mm5.71 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2547450823
Side View
Table 70.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.4%

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: $3,879 SGD|Low: $1,763 SGD|High: $3,954 SGD|Avg: $2,554 SGD|-1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$1,763 SGD
Retailer 9$2,147 SGD
Retailer 3$2,153 SGD
Retailer 10$2,233 SGD
Retailer 8$2,394 SGD
Retailer 7$2,453 SGD
Retailer 5$2,463 SGD
Retailer 6$2,708 SGD
Retailer 4$3,014 SGD
MOH London$3,879 SGD

25 data points across 10 retailers

10 retailers$1,763 SGD to $3,879 SGD

A
Cheapest Retailer
-
$1,763 SGD
B+
Retailer 2
-
$2,147 SGD
View
A
Retailer 3
-
$2,153 SGD
View
Retailer 4
-
$2,233 SGD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$2,394 SGD
View
B+
Retailer 6
-
$2,453 SGD
View
B+
Retailer 7
-
$2,463 SGD
View
B+
Retailer 8
-
$2,708 SGD
View
B
Retailer 9
-
$3,014 SGD
View
Most Expensive
B
MOH London
B9CF7B431 · Nov 4
$3,879 SGD
£2,383 GBP
View
9 more retailers have this diamond
Prices start from $1,763 SGDSave up to $2,115 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
$1,763 SGD