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0.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 3515488642

Shape and cutting style on the report: Round brilliant

Certificate GIA 3515488642

Diamond specifications and retailer prices

From £342 GBP
As of November 6, 2026
Save £1,166 GBP (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,508 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3515488642. Listed at 19 retailers as of November 4, 2026, with prices from £342 to £1,508, a £1,166 spread on the same certified stone. NZ Jewellers lists it at £1,508. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 3515488642
Dimensions5.09 × 5.06 × 3.18 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.09 mm5.06 mm0.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3515488642
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°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: £342 GBP|Low: £342 GBP|High: £1,116 GBP|Avg: £608 GBP|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1£342 GBP
Retailer 6£449 GBP
Retailer 7£479 GBP
Retailer 3£491 GBP
Retailer 9£553 GBP
Retailer 2£568 GBP
Retailer 4£583 GBP
Retailer 5£622 GBP
Retailer 8£1,109 GBP

27 data points across 9 retailers

19 retailers£342 GBP to £1,508 GBP

A
Cheapest Retailer
-
£342 GBP
A
Retailer 2
-
£399 GBP
View
A
Retailer 3
-
£443 GBP
View
Final sale: no returns
A
Retailer 4
-
£449 GBP
View
A
Retailer 5
-
£455 GBP
View
A
Retailer 6
-
£479 GBP
View
A
Retailer 7
-
£481 GBP
View
A
Retailer 8
-
£491 GBP
View
A
Retailer 9
-
£518 GBP
View
A
Retailer 10
-
£553 GBP
View
B+
Retailer 11
-
£555 GBP
View
A
Retailer 12
-
£568 GBP
View
B+
Retailer 13
-
£579 GBP
View
B+
Retailer 14
-
£583 GBP
View
B+
Retailer 15
-
£622 GBP
View
B
Retailer 16
-
£747 GBP
View
B
Retailer 17
-
£1,109 GBP
View
B
Retailer 18
-
£1,148 GBP
View
Most Expensive
B
NZ Jewellers
bde4f275-91a5-44d6-96e2-9b30477e86e2 · Nov 4
£1,508 GBP
$2,030 USD
View
18 more retailers have this diamond
Prices start from £342 GBPSave up to £1,166 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
£342 GBP