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Round|Natural|GIA

0.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 5563424572

Certificate GIA 5563424572

Diamond specifications and retailer prices

From £226 GBP
As of November 6, 2026
Save £932 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,158 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5563424572. Listed at 20 retailers as of November 4, 2026, with prices from £226 to £1,158, a £932 spread on the same certified stone. NZ Jewellers lists it at £1,158. 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

0.50
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5563424572
Dimensions5.07 × 5.10 × 3.19 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.07 mm5.10 mm0.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5563424572
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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 6
Current: £1,158 GBP|Low: £226 GBP|High: £1,191 GBP|Avg: £428 GBP|-1.7%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 2£226 GBP
Retailer 16£241 GBP
Retailer 4£278 GBP
Retailer 10£302 GBP
Retailer 3£325 GBP
Retailer 18£332 GBP
Retailer 11£334 GBP
Retailer 5£338 GBP
Retailer 19£348 GBP
Retailer 12£389 GBP
Retailer 13£389 GBP
Retailer 15£396 GBP
Retailer 6£399 GBP
Retailer 9£444 GBP
Retailer 7£461 GBP
Retailer 17£468 GBP
Retailer 14£502 GBP
Retailer 8£697 GBP
NZ Jewellers£1,158 GBP

18 data points across 19 retailers

20 retailers£226 GBP to £1,158 GBP

A
Cheapest Retailer
-
£226 GBP
A
Retailer 2
-
£241 GBP
View
A
Retailer 3
-
£266 GBP
View
A
Retailer 4
-
£278 GBP
View
Final sale: no returns
A
Retailer 5
-
£302 GBP
View
A
Retailer 6
-
£325 GBP
View
B+
Retailer 7
-
£332 GBP
View
Retailer 8
-
£334 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
-
£338 GBP
View
A
Retailer 10
-
£348 GBP
View
A
Retailer 11
-
£389 GBP
View
B+
Retailer 12
-
£389 GBP
View
B+
Retailer 13
-
£396 GBP
View
B+
Retailer 14
-
£399 GBP
View
B+
Retailer 15
-
£444 GBP
View
B+
Retailer 16
-
£461 GBP
View
B+
Retailer 17
-
£468 GBP
View
B+
Retailer 18
-
£502 GBP
View
B
Retailer 19
-
£697 GBP
View
Most Expensive
B
NZ Jewellers
4f26bca5-93bb-4d2b-81ea-5698e391dbfd · Nov 4
£1,158 GBP
$1,558 USD
View
19 more retailers have this diamond
Prices start from £226 GBPSave up to £932 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
0.50ct Round
£226 GBP