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Round|Natural|GIA

0.55ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6552943684

Certificate GIA 6552943684

Diamond specifications and retailer prices

From £447 GBP
As of November 4, 2026
Save £874 GBP (66%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,478 GBP at NZ Jewellers · As of September 8, 2026
View at NZ Jewellers

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552943684. Listed at 16 retailers as of November 4, 2026, with a 196% 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

0.55
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6552943684
Dimensions5.25 × 5.23 × 3.29 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
5.25 mm5.23 mm0.55 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6552943684
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.8%

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 4
Current: £537 GBP|Low: £301 GBP|High: £1,418 GBP|Avg: £644 GBP|-4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2£358 GBP
Retailer 12£398 GBP
Retailer 11£447 GBP
Retailer 10£453 GBP
Retailer 6£458 GBP
Retailer 1£537 GBP
Retailer 4£571 GBP
Retailer 9£630 GBP
Retailer 8£654 GBP
Retailer 7£690 GBP
Retailer 3£1,101 GBP
Retailer 5£1,320 GBP

43 data points across 12 retailers

16 retailers£447 GBP to £1,320 GBP

A
Cheapest Retailer
-
£447 GBP
A
Retailer 2
-
£453 GBP
View
A
Retailer 3
-
£458 GBP
View
Retailer 4
-
£467 GBP
View
Price last confirmed 62 days ago
Retailer 5
-
£471 GBP
View
Price last confirmed 36 days ago
Retailer 6
-
£507 GBP
View
Price last confirmed 38 days ago
A
Retailer 7
-
£537 GBP
View
Retailer 8
-
£544 GBP
View
Price last confirmed 58 days ago
Retailer 9
-
£544 GBP
View
Price last confirmed 38 days ago
A
Retailer 10
-
£630 GBP
View
A
Retailer 11
-
£654 GBP
View
B+
Retailer 12
-
£690 GBP
View
Retailer 13
-
£1,101 GBP
View
Price last confirmed 32 days ago
B
Retailer 14
-
£1,320 GBP
View
Retailer 15
-
£1,478 GBP
View
Price last confirmed 43 days ago
Most Expensive
NZ Jewellers
0406d211-f270-4ee5-b4e0-7214bc24b08c · Sep 8
£1,478 GBP
$1,989 USD
View
Price last confirmed 58 days ago
15 more retailers have this diamond
Prices start from £447 GBPSave up to £874 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 Round
£447 GBP