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Cushion|Natural|GIA

4.01ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6551217341

Certificate GIA 6551217341

Diamond specifications and retailer prices

From $41,606 SGD
As of November 6, 2026
Save $31,415 SGD (43%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $73,020 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 4.01ct natural cushion diamond

This 4.01ct natural cushion sits in the three to five 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 6551217341. Listed at 21 retailers as of November 4, 2026, with prices from $41,606 to $73,020, a $31,415 spread on the same certified stone. MOH London lists it at $73,020. 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

4.01
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551217341
Dimensions10.87 × 8.38 × 5.76 mm
L/W Ratio1.30
Key to symbols
Crystal, Feather, Needle
Top View
10.87 mm8.38 mm4.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551217341
Side View
Table 66.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.7%

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: $73,020 SGD|Low: $43,339 SGD|High: $73,608 SGD|Avg: $52,165 SGD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 3$43,339 SGD
Retailer 4$45,389 SGD
Retailer 8$45,497 SGD
Retailer 2$46,771 SGD
Retailer 9$46,881 SGD
Retailer 5$51,427 SGD
Retailer 6$54,865 SGD
Retailer 7$58,341 SGD
MOH London$73,020 SGD

23 data points across 9 retailers

21 retailers$41,606 SGD to $73,020 SGD

A
Cheapest Retailer
-
$41,606 SGD
A
Retailer 2
-
$42,682 SGD
View
A
Retailer 3
-
$43,339 SGD
View
A
Retailer 4
-
$43,909 SGD
View
A
Retailer 5
-
$45,389 SGD
View
A
Retailer 6
-
$45,497 SGD
View
B+
Retailer 7
-
$46,525 SGD
View
A
Retailer 8
-
$46,771 SGD
View
Retailer 9
-
$46,881 SGD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$47,173 SGD
View
B+
Retailer 11
-
$48,184 SGD
View
B+
Retailer 12
-
$49,206 SGD
View
B+
Retailer 13
-
$50,131 SGD
View
B+
Retailer 14
-
$50,701 SGD
View
B+
Retailer 15
-
$51,427 SGD
View
B+
Retailer 16
-
$52,652 SGD
View
Retailer 17
-
$52,729 SGD
View
Price last confirmed 15 days ago
B+
Retailer 18
-
$54,865 SGD
View
B+
Retailer 19
-
$55,337 SGD
View
B
Retailer 20
-
$58,341 SGD
View
Most Expensive
B
MOH London
86EA74769 · Nov 4
$73,020 SGD
£44,863 GBP
View
20 more retailers have this diamond
Prices start from $41,606 SGDSave up to $31,415 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
4.01ct Cushion
$41,606 SGD