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Round|Natural|GIA

4.43ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6425292031

Certificate GIA 6425292031

Diamond specifications and retailer prices

From $54,204 AUD
As of November 2, 2026
Save $34,054 AUD (39%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $88,259 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 4.43ct natural round diamond

This 4.43ct 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 6425292031. Listed at 9 retailers as of November 2, 2026, with prices from $54,204 to $88,259, a $34,054 spread on the same certified stone. MOH London lists it at $88,259. 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

4.43
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6425292031
Dimensions10.38 × 10.44 × 6.54 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
10.38 mm10.44 mm4.43 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6425292031
Side View
Table 57.0%Crown 36.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.9%

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 2
Current: $88,259 AUD|Low: $54,204 AUD|High: $89,324 AUD|Avg: $63,617 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 9$54,204 AUD
Retailer 5$56,204 AUD
Retailer 2$56,601 AUD
Retailer 7$58,867 AUD
Retailer 6$59,891 AUD
Retailer 8$62,194 AUD
Retailer 4$65,880 AUD
Retailer 3$68,265 AUD
MOH London$88,259 AUD

36 data points across 9 retailers

9 retailers$54,204 AUD to $88,259 AUD

A
Cheapest Retailer
-
$54,204 AUD
B+
Retailer 2
-
$56,204 AUD
View
A
Retailer 3
-
$56,601 AUD
View
B+
Retailer 4
-
$58,867 AUD
View
B+
Retailer 5
-
$59,891 AUD
View
B+
Retailer 6
-
$62,194 AUD
View
Retailer 7
-
$65,880 AUD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$68,265 AUD
View
Most Expensive
B
MOH London
BB3D48751 · Nov 2
$88,259 AUD
£48,649 GBP
View
8 more retailers have this diamond
Prices start from $54,204 AUDSave up to $34,054 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
4.43ct Round
$54,204 AUD