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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 HK$261,048 HKD
As of November 6, 2026
Save HK$146,637 HKD (36%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$407,685 HKD 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 HK$261,048 to HK$407,685, a HK$146,637 spread on the same certified stone. MOH London lists it at HK$407,685. 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: HK$407,685 HKD|Low: HK$261,048 HKD|High: HK$423,611 HKD|Avg: HK$317,898 HKD|-3.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4HK$261,048 HKD
Retailer 5HK$288,918 HKD
Retailer 2HK$289,192 HKD
Retailer 3HK$315,785 HKD
MOH LondonHK$407,685 HKD

43 data points across 5 retailers

5 retailersHK$261,048 HKD to HK$407,685 HKD

A
Cheapest Retailer
-
HK$261,048 HKD
Retailer 2
-
HK$288,918 HKD
View
Price last confirmed 9 days ago
A
Retailer 3
-
HK$289,192 HKD
View
B+
Retailer 4
-
HK$315,785 HKD
View
Most Expensive
B
MOH London
C021721B3 · Nov 4
HK$407,685 HKD
£40,959 GBP
View
4 more retailers have this diamond
Prices start from HK$261,048 HKDSave up to HK$146,637 HKD

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
HK$261,048 HKD