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Round|Natural|GIA

0.54ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2556958556

Certificate GIA 2556958556

Diamond specifications and retailer prices

From £476 GBP
As of November 4, 2026
Save £687 GBP (59%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,993 GBP at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 0.54ct natural round diamond

This 0.54ct natural round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556958556. Listed at 23 retailers as of November 4, 2026, with a 144% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.54
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2556958556
Dimensions5.36 × 5.34 × 3.16 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather
Top View
5.36 mm5.34 mm0.54 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556958556
Side View
Table 58.0%Crown 31.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £754 GBP|Low: £494 GBP|High: £1,514 GBP|Avg: £845 GBP|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2£494 GBP
Retailer 8£587 GBP
Retailer 3£658 GBP
Retailer 1£754 GBP
Retailer 4£891 GBP
Retailer 5£981 GBP
Retailer 6£1,162 GBP
Retailer 7£1,514 GBP

33 data points across 8 retailers

23 retailers£476 GBP to £1,162 GBP

A
Cheapest Retailer
-
£476 GBP
A
Retailer 2
-
£494 GBP
View
A
Retailer 3
-
£587 GBP
View
A
Retailer 4
-
£587 GBP
View
Final sale: no returns
A
Retailer 5
-
£597 GBP
View
Retailer 6
-
£622 GBP
View
Price last confirmed 57 days ago
Retailer 7
-
£636 GBP
View
Price last confirmed 21 days ago
Retailer 8
-
£636 GBP
View
Price last confirmed 17 days ago
A
Retailer 9
-
£654 GBP
View
A
Retailer 10
-
£658 GBP
View
Retailer 11
-
£660 GBP
View
Price last confirmed 22 days ago
Retailer 12
-
£717 GBP
View
Price last confirmed 60 days ago
Retailer 13
-
£733 GBP
View
Price last confirmed 19 days ago
B+
Retailer 14
-
£734 GBP
View
B+
Retailer 15
-
£754 GBP
View
B+
Retailer 16
-
£758 GBP
View
B+
Retailer 17
-
£891 GBP
View
Retailer 18
-
£955 GBP
View
Price last confirmed 32 days ago
B+
Retailer 19
-
£981 GBP
View
B
Retailer 20
-
£1,162 GBP
View
Retailer 21
-
£1,514 GBP
View
Price last confirmed 9 days ago
Retailer 22
-
£1,950 GBP
View
Price last confirmed 56 days ago
Most Expensive
NZ Jewellers
13e435af-7927-4f99-94d4-6ccf0e27ed46 · Oct 17
£1,993 GBP
$2,683 USD
View
Price last confirmed 19 days ago
22 more retailers have this diamond
Prices start from £476 GBPSave up to £687 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
0.54ct Round
£476 GBP