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Cushion|Natural|GIA

4.11ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 5553618401

Certificate GIA 5553618401

Diamond specifications and retailer prices

From $40,624 SGD
As of November 6, 2026
Save $25,407 SGD (38%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $66,031 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 4.11ct natural cushion diamond

This 4.11ct 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 5553618401. Listed at 8 retailers as of November 4, 2026, with prices from $40,624 to $66,031, a $25,407 spread on the same certified stone. MOH London lists it at $66,031. 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

4.11
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553618401
Dimensions10.25 × 7.79 × 5.45 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
10.25 mm7.79 mm4.11 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553618401
Side View
Table 60.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 70.0%

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: $66,031 SGD|Low: $40,624 SGD|High: $70,512 SGD|Avg: $49,855 SGD|-6.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 6$40,624 SGD
Retailer 2$42,702 SGD
Retailer 4$42,814 SGD
Retailer 5$44,885 SGD
Retailer 7$46,612 SGD
Retailer 3$50,081 SGD
Retailer 8$50,513 SGD
MOH London$66,031 SGD

35 data points across 8 retailers

8 retailers$40,624 SGD to $66,031 SGD

A
Cheapest Retailer
-
$40,624 SGD
A
Retailer 2
-
$42,702 SGD
View
A
Retailer 3
-
$42,814 SGD
View
A
Retailer 4
-
$44,885 SGD
View
B+
Retailer 5
-
$46,612 SGD
View
B+
Retailer 6
-
$50,081 SGD
View
B+
Retailer 7
-
$50,513 SGD
View
Most Expensive
B
MOH London
3BD3858A0 · Nov 4
$66,031 SGD
£40,569 GBP
View
7 more retailers have this diamond
Prices start from $40,624 SGDSave up to $25,407 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
4.11ct Cushion
$40,624 SGD