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Cushion|Natural|GIA

0.53ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 7541154133

Certificate GIA 7541154133

Diamond specifications and retailer prices

From £276 GBP
As of November 6, 2026
Save £105 GBP (28%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £381 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 0.53ct natural cushion diamond

This 0.53ct 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 7541154133. Listed at 4 retailers as of November 5, 2026, with prices from £276 to £381, a £105 spread on the same certified stone. Blue Nile lists it at £381. 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

0.53
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7541154133
Dimensions4.66 × 4.46 × 2.97 mm
L/W Ratio1.04
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
4.66 mm4.46 mm0.53 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7541154133
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: 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: £381 GBP|Low: £276 GBP|High: £423 GBP|Avg: £339 GBP|-9.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4£276 GBP
Retailer 3£312 GBP
Retailer 2£354 GBP
Blue Nile£381 GBP

41 data points across 4 retailers

4 retailers£276 GBP to £381 GBP

A
Cheapest Retailer
-
£276 GBP
A
Retailer 2
-
£312 GBP
View
A
Retailer 3
-
£354 GBP
View
Most Expensive
A
Blue Nile
27478883 · Nov 5
£381 GBP
$510 USD
View
3 more retailers have this diamond
Prices start from £276 GBPSave up to £105 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
0.53ct Cushion
£276 GBP