CaratHunter
Plans
Cushion|Natural|GIA

4.50ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 6531033746

Certificate GIA 6531033746

Diamond specifications and retailer prices

From $48,476 AUD
As of November 6, 2026
Save $27,230 AUD (36%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $75,707 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 4.5ct natural cushion diamond

This 4.5ct 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 6531033746. Listed at 5 retailers as of November 4, 2026, with prices from $48,476 to $75,707, a $27,230 spread on the same certified stone. MOH London lists it at $75,707. 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

4.50
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531033746
Dimensions8.55 × 9.81 × 5.91 mm
L/W Ratio1.15
Top View
8.55 mm9.81 mm4.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531033746
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 69.2%

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: $75,707 AUD|Low: $48,476 AUD|High: $78,664 AUD|Avg: $59,033 AUD|-3.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$48,476 AUD
Retailer 5$53,652 AUD
Retailer 2$53,703 AUD
Retailer 3$58,641 AUD
MOH London$75,707 AUD

43 data points across 5 retailers

5 retailers$48,476 AUD to $75,707 AUD

A
Cheapest Retailer
-
$48,476 AUD
Retailer 2
-
$53,652 AUD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$53,703 AUD
View
B+
Retailer 4
-
$58,641 AUD
View
Most Expensive
B
MOH London
C021721B3 · Nov 4
$75,707 AUD
£40,959 GBP
View
4 more retailers have this diamond
Prices start from $48,476 AUDSave up to $27,230 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
4.50ct Cushion
$48,476 AUD