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Cushion|Natural|GIA

4.50ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 6531033746

Certificate GIA 6531033746

Diamond specifications and retailer prices

From £24,885 GBP
As of November 6, 2026
Save £13,978 GBP (36%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £38,863 GBP 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 £24,885 to £38,863, a £13,978 spread on the same certified stone. MOH London lists it at £38,863. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £38,863 GBP|Low: £24,885 GBP|High: £40,381 GBP|Avg: £30,304 GBP|-3.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4£24,885 GBP
Retailer 5£27,541 GBP
Retailer 2£27,568 GBP
Retailer 3£30,103 GBP
MOH London£38,863 GBP

43 data points across 5 retailers

5 retailers£24,885 GBP to £38,863 GBP

A
Cheapest Retailer
-
£24,885 GBP
Retailer 2
-
£27,541 GBP
View
Price last confirmed 9 days ago
A
Retailer 3
-
£27,568 GBP
View
B+
Retailer 4
-
£30,103 GBP
View
Most Expensive
B
MOH London
C021721B3 · Nov 4
£38,863 GBP
View
4 more retailers have this diamond
Prices start from £24,885 GBPSave up to £13,978 GBP

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
£24,885 GBP