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Cushion|Natural|GIA

4.01ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 6565705826

Certificate GIA 6565705826

Diamond specifications and retailer prices

From $39,028 AUD
As of November 6, 2026
Save $10,869 AUD (22%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $49,897 AUD at Moon Ocean · As of November 6, 2026
View at Moon Ocean

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565705826. Listed at 4 retailers as of November 6, 2026, with prices from $39,028 to $49,897, a $10,869 spread on the same certified stone. Moon Ocean lists it at $49,897. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565705826
Dimensions11.48 × 8.19 × 5.39 mm
L/W Ratio1.40
Girdle conditionThin to Very Thick
Key to symbols
Feather, Twinning Wisp, Crystal, Cloud, Needle, Indented Natural
Top View
11.48 mm8.19 mm4.01 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565705826
Side View
Table 64.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 65.8%

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: $49,897 AUD|Low: $39,028 AUD|High: $49,897 AUD|Avg: $43,732 AUD
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
November 7, 2026
Retailer 4$39,028 AUD
Retailer 3$39,070 AUD
Retailer 2$49,187 AUD
Moon Ocean$49,897 AUD

3 data points across 4 retailers

4 retailers$39,028 AUD to $49,897 AUD

A
Cheapest Retailer
-
$39,028 AUD
A
Retailer 2
-
$39,070 AUD
View
B+
Retailer 3
-
$49,187 AUD
View
Most Expensive
B+
Moon Ocean
NVN-A189499A3-826 · Nov 6
$49,897 AUD
£26,995 GBP
View
3 more retailers have this diamond
Prices start from $39,028 AUDSave up to $10,869 AUD

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
$39,028 AUD