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Radiant|Natural|GIA

0.55ct E SI1 Radiant Natural Diamond

GD • E/SI1 • GIA 7548177639

Certificate GIA 7548177639

Diamond specifications and retailer prices

From £392 GBP
As of November 6, 2026
Save £108 GBP (22%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £501 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 0.55ct natural radiant diamond

This 0.55ct natural radiant sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 7548177639. Listed at 4 retailers as of November 6, 2026, with prices from £392 to £501, a £108 spread on the same certified stone. Brilliant Earth lists it at £501. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.55
Carat
E
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7548177639
Dimensions5.37 × 4.27 × 2.88 mm
L/W Ratio1.26
Culet sizeNone
Key to symbols
Cloud, Crystal
Top View
5.37 mm4.27 mm0.55 ctE / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7548177639
Side View
Table 68.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.4%

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: £501 GBP|Low: £351 GBP|High: £583 GBP|Avg: £474 GBP|-4.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 17, 2026
Retailer 4£392 GBP
Retailer 3£400 GBP
Retailer 2£439 GBP
Brilliant Earth£501 GBP
Retailer 5£583 GBP

7 data points across 5 retailers

4 retailers£392 GBP to £501 GBP

A
Cheapest Retailer
-
£392 GBP
B+
Retailer 2
-
£400 GBP
View
Final sale: no returns
A
Retailer 3
-
£439 GBP
View
Most Expensive
B+
Brilliant Earth
18011031A · Nov 6
£501 GBP
$670 USD
View
3 more retailers have this diamond
Prices start from £392 GBPSave up to £108 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
0.55ct Radiant
£392 GBP