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Cushion|Natural|GIA

0.50ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 5546270942

Certificate GIA 5546270942

Diamond specifications and retailer prices

From £306 GBP
As of November 6, 2026
Save £588 GBP (66%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £894 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.5ct natural cushion diamond

This 0.5ct natural cushion sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546270942. Listed at 16 retailers as of November 4, 2026, with prices from £306 to £894, a £588 spread on the same certified stone. MOH London lists it at £894. 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

0.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Pavilion angle39.9°
OriginNatural
Grading LabGIA
CertificateGIA 5546270942
Dimensions4.74 × 4.54 × 3.02 mm
L/W Ratio1.04
Top View
4.74 mm4.54 mm0.50 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5546270942
Side View
Table 65.0%CrownGirdle: STK-VTKPavilion 39.9°Culet: NoneDepth 66.6%

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: £894 GBP|Low: £258 GBP|High: £941 GBP|Avg: £502 GBP|-2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 16£306 GBP
Retailer 6£344 GBP
Retailer 4£357 GBP
Retailer 5£376 GBP
Retailer 9£378 GBP
Retailer 2£389 GBP
Retailer 10£413 GBP
Retailer 11£417 GBP
Retailer 13£531 GBP
Retailer 15£538 GBP
Retailer 3£540 GBP
Retailer 14£542 GBP
Retailer 7£556 GBP
Retailer 8£590 GBP
Retailer 12£601 GBP
MOH London£894 GBP

31 data points across 16 retailers

16 retailers£306 GBP to £894 GBP

A
Cheapest Retailer
-
£306 GBP
A
Retailer 2
-
£344 GBP
View
A
Retailer 3
-
£357 GBP
View
Final sale: no returns
Retailer 4
-
£376 GBP
View
Price last confirmed 15 days ago
A
Retailer 5
-
£378 GBP
View
A
Retailer 6
-
£389 GBP
View
A
Retailer 7
-
£413 GBP
View
A
Retailer 8
-
£417 GBP
View
B+
Retailer 9
-
£531 GBP
View
B+
Retailer 10
-
£538 GBP
View
B+
Retailer 11
-
£540 GBP
View
B+
Retailer 12
-
£542 GBP
View
Retailer 13
-
£556 GBP
View
Price last confirmed 20 days ago
Retailer 14
-
£590 GBP
View
Price last confirmed 33 days ago
B+
Retailer 15
-
£601 GBP
View
Most Expensive
B
MOH London
DC08CB9A8 · Nov 4
£894 GBP
View
15 more retailers have this diamond
Prices start from £306 GBPSave up to £588 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
0.50ct Cushion
£306 GBP