Round|Natural|GIA

0.55ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6462656279

Certificate GIA 6462656279

Diamond specifications and retailer prices

From £447 GBP
As of November 4, 2026
Save £525 GBP (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,782 GBP at NZ Jewellers · As of September 19, 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 6462656279. Listed at 18 retailers as of November 4, 2026, with a 118% 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
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6462656279
Dimensions5.27 × 5.24 × 3.26 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.27 mm5.24 mm0.55 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6462656279
Side View
Table 57.0%Crown 33.5°Girdle: STK-STKPavilion 41.2°Culet: NoneDepth 62.1%

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: £1,666 GBP|Low: £418 GBP|High: £1,782 GBP|Avg: £689 GBP|-6.5%
NZ Jewellers
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
November 6, 2026
Retailer 12£447 GBP
Retailer 13£490 GBP
Retailer 3£502 GBP
Retailer 9£524 GBP
Retailer 6£531 GBP
Retailer 5£551 GBP
Retailer 11£551 GBP
Retailer 7£577 GBP
Retailer 15£613 GBP
Retailer 14£617 GBP
Retailer 2£627 GBP
Retailer 4£629 GBP
Retailer 8£749 GBP
Retailer 10£972 GBP
NZ Jewellers£1,666 GBP

43 data points across 15 retailers

18 retailers£447 GBP to £972 GBP

A
Cheapest Retailer
-
£447 GBP
A
Retailer 2
-
£490 GBP
View
Final sale: no returns
Retailer 3
-
£502 GBP
View
Price last confirmed 19 days ago
A
Retailer 4
-
£524 GBP
View
Retailer 5
-
£531 GBP
View
Price last confirmed 15 days ago
Retailer 6
-
£551 GBP
View
Price last confirmed 15 days ago
Retailer 7
-
£551 GBP
View
Price last confirmed 10 days ago
Retailer 8
-
£568 GBP
View
Price last confirmed 21 days ago
Retailer 9
-
£577 GBP
View
Price last confirmed 22 days ago
Retailer 10
-
£613 GBP
View
Price last confirmed 17 days ago
A
Retailer 11
-
£617 GBP
View
A
Retailer 12
-
£627 GBP
View
A
Retailer 13
-
£629 GBP
View
Retailer 14
-
£655 GBP
View
Price last confirmed 45 days ago
B+
Retailer 15
-
£749 GBP
View
B+
Retailer 16
-
£972 GBP
View
Retailer 17
-
£1,666 GBP
View
Price last confirmed 17 days ago
Most Expensive
NZ Jewellers
23674cdd-8d11-4e95-abdf-7fb736022a8c · Sep 19
£1,782 GBP
$2,398 USD
View
Price last confirmed 47 days ago
17 more retailers have this diamond
Prices start from £447 GBPSave up to £525 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