Round|Natural|GIA

4.01ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7558181367

Certificate GIA 7558181367

Diamond specifications and retailer prices

From $46,081 AUD
As of November 6, 2026
Save $11,328 AUD (20%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $69,344 AUD at MOH London · As of October 26, 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 7558181367. Listed at 15 retailers as of November 5, 2026, with a relatively tight 25% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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 angle32.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7558181367
Dimensions10.16 × 10.25 × 6.18 mm
L/W Ratio1.01
Culet sizeNone
Top View
10.16 mm10.25 mm4.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558181367
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.5%

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: $69,344 AUD|Low: $37,154 AUD|High: $70,667 AUD|Avg: $49,662 AUD|-1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 4$37,154 AUD
Retailer 9$40,818 AUD
Retailer 6$40,958 AUD
Retailer 8$44,036 AUD
Retailer 13$44,562 AUD
Retailer 11$46,346 AUD
Retailer 3$47,622 AUD
Retailer 12$48,945 AUD
Retailer 14$52,780 AUD
Retailer 10$53,567 AUD
Retailer 5$54,486 AUD
Retailer 7$55,272 AUD
Retailer 2$57,409 AUD
MOH London$69,344 AUD

34 data points across 14 retailers

15 retailers$46,081 AUD to $57,409 AUD

Retailer 1
-
$37,154 AUD
Price last confirmed 8 days ago
Retailer 2
-
$40,818 AUD
View
Price last confirmed 11 days ago
Retailer 3
-
$40,958 AUD
View
Price last confirmed 25 days ago
Retailer 4
-
$44,036 AUD
View
Price last confirmed 10 days ago
Retailer 5
-
$44,562 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$46,081 AUD
View
Retailer 7
-
$46,346 AUD
View
Price last confirmed 12 days ago
Retailer 8
-
$47,622 AUD
View
Price last confirmed 11 days ago
Retailer 9
-
$48,945 AUD
View
Price last confirmed 21 days ago
Retailer 10
-
$52,780 AUD
View
Price last confirmed 10 days ago
Retailer 11
-
$53,567 AUD
View
Price last confirmed 11 days ago
Retailer 12
-
$54,486 AUD
View
Price last confirmed 12 days ago
Retailer 13
-
$55,272 AUD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$57,409 AUD
View
Most Expensive
MOH London
547533FA3 · Oct 26
$69,344 AUD
£38,223 GBP
View
Price last confirmed 10 days ago
14 more retailers have this diamond
Prices start from $46,081 AUDSave up to $11,328 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
$46,081 AUD