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Round|Natural|GIA

4.01ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6561077969

Certificate GIA 6561077969

Diamond specifications and retailer prices

From $47,518 AUD
As of November 6, 2026
Save $27,271 AUD (36%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $74,788 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 4.01ct natural round diamond

This 4.01ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561077969. Listed at 11 retailers as of November 4, 2026, with prices from $47,518 to $74,788, a $27,271 spread on the same certified stone. MOH London lists it at $74,788. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6561077969
Dimensions10.02 × 10.06 × 6.34 mm
L/W Ratio1.00
Star length55%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Indented Natural, Needle, Knot
Top View
10.02 mm10.06 mm4.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561077969
Side View
Table 57.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 63.2%

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: $74,788 AUD|Low: $47,518 AUD|High: $75,893 AUD|Avg: $56,704 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$47,518 AUD
Retailer 2$49,640 AUD
Retailer 9$50,016 AUD
Retailer 6$51,426 AUD
Retailer 3$53,000 AUD
Retailer 8$53,684 AUD
Retailer 11$55,209 AUD
Retailer 10$57,417 AUD
Retailer 7$59,626 AUD
Retailer 4$59,754 AUD
MOH London$74,788 AUD

29 data points across 11 retailers

11 retailers$47,518 AUD to $74,788 AUD

A
Cheapest Retailer
-
$47,518 AUD
A
Retailer 2
-
$49,640 AUD
View
B+
Retailer 3
-
$50,016 AUD
View
A
Retailer 4
-
$51,426 AUD
View
Retailer 5
-
$53,000 AUD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$53,684 AUD
View
B+
Retailer 7
-
$55,209 AUD
View
B+
Retailer 8
-
$57,417 AUD
View
B+
Retailer 9
-
$59,626 AUD
View
B+
Retailer 10
-
$59,754 AUD
View
Most Expensive
B
MOH London
EB686C502 · Nov 4
$74,788 AUD
£41,224 GBP
View
10 more retailers have this diamond
Prices start from $47,518 AUDSave up to $27,271 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 Round
$47,518 AUD