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Cushion|Natural|GIA

5.03ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 5222123271

Certificate GIA 5222123271

Diamond specifications and retailer prices

From £25,719 GBP
As of November 6, 2026
Save £24,666 GBP (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £50,385 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 5.03ct natural cushion diamond

This 5.03ct natural cushion sits in the over 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 5222123271. Listed at 8 retailers as of November 4, 2026, with prices from £25,719 to £50,385, a £24,666 spread on the same certified stone. MOH London lists it at £50,385. 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

5.03
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5222123271
Dimensions10.97 × 8.74 × 6.09 mm
L/W Ratio1.26
Top View
10.97 mm8.74 mm5.03 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 5222123271
Side View
Table 70.0%CrownGirdlePavilionCulet: NoneDepth 69.6%

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: £50,385 GBP|Low: £25,719 GBP|High: £51,129 GBP|Avg: £35,248 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 3£25,719 GBP
Retailer 6£27,815 GBP
Retailer 2£28,854 GBP
Retailer 5£29,050 GBP
Retailer 4£33,850 GBP
MOH London£50,385 GBP

38 data points across 6 retailers

8 retailers£25,719 GBP to £50,385 GBP

A
Cheapest Retailer
-
£25,719 GBP
A
Retailer 2
-
£27,815 GBP
View
B+
Retailer 3
-
£28,171 GBP
View
A
Retailer 4
-
£28,854 GBP
View
A
Retailer 5
-
£29,050 GBP
View
B+
Retailer 6
-
£30,620 GBP
View
B+
Retailer 7
-
£33,850 GBP
View
Most Expensive
B
MOH London
518E657A7 · Nov 4
£50,385 GBP
View
7 more retailers have this diamond
Prices start from £25,719 GBPSave up to £24,666 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
5.03ct Cushion
£25,719 GBP