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Round|Natural|GIA

4.52ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 5553494121

Certificate GIA 5553494121

Diamond specifications and retailer prices

From $50,097 AUD
As of November 5, 2026
Save $39,794 AUD (44%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $89,892 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 4.52ct natural round diamond

This 4.52ct 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 5553494121. Listed at 10 retailers as of November 4, 2026, with prices from $50,097 to $89,892, a $39,794 spread on the same certified stone. MOH London lists it at $89,892. 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

4.52
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5553494121
Dimensions10.45 × 10.53 × 6.63 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Top View
10.45 mm10.53 mm4.52 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553494121
Side View
Table 57.0%Crown 36°Girdle: MediumPavilion 41.2°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 5
Current: $89,892 AUD|Low: $50,097 AUD|High: $91,218 AUD|Avg: $65,799 AUD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$50,097 AUD
Retailer 4$56,807 AUD
Retailer 7$57,731 AUD
Retailer 2$59,666 AUD
Retailer 5$68,077 AUD
Retailer 8$70,944 AUD
Retailer 3$71,821 AUD
MOH London$89,892 AUD

29 data points across 8 retailers

10 retailers$50,097 AUD to $89,892 AUD

A
Cheapest Retailer
-
$50,097 AUD
A
Retailer 2
-
$56,807 AUD
View
B+
Retailer 3
-
$57,731 AUD
View
B+
Retailer 4
-
$59,666 AUD
View
Retailer 5
-
$60,656 AUD
View
Price last confirmed 34 days ago
B+
Retailer 6
-
$61,740 AUD
View
B+
Retailer 7
-
$68,077 AUD
View
B
Retailer 8
-
$70,944 AUD
View
B
Retailer 9
-
$71,821 AUD
View
Most Expensive
B
MOH London
DAB7C6DCB · Nov 4
$89,892 AUD
£49,549 GBP
View
9 more retailers have this diamond
Prices start from $50,097 AUDSave up to $39,794 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
4.52ct Round
$50,097 AUD