Round|Natural|GIA

0.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 3425521934

Certificate GIA 3425521934

Diamond specifications and retailer prices

From £245 GBP
As of November 6, 2026
Save £518 GBP (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £763 GBP at MOH London · As of November 1, 2026
View at MOH London

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 3425521934. Listed at 10 retailers as of November 1, 2026, with prices from £245 to £763, a £518 spread on the same certified stone. MOH London lists it at £763. 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
FluorescenceFaint
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 3425521934
Dimensions5.05 × 5.08 × 3.20 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal
Top View
5.05 mm5.08 mm0.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3425521934
Side View
Table 55.0%Crown 36°Girdle: MED-MEDPavilion 41.2°Culet: NoneDepth 63.2%

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: £763 GBP|Low: £245 GBP|High: £797 GBP|Avg: £406 GBP|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2£245 GBP
Retailer 6£262 GBP
Retailer 9£285 GBP
Retailer 8£346 GBP
Retailer 5£351 GBP
Retailer 10£369 GBP
Retailer 3£384 GBP
Retailer 4£422 GBP
Retailer 7£538 GBP
MOH London£763 GBP

16 data points across 10 retailers

10 retailers£245 GBP to £763 GBP

A
Cheapest Retailer
-
£245 GBP
A
Retailer 2
-
£262 GBP
View
A
Retailer 3
-
£285 GBP
View
A
Retailer 4
-
£346 GBP
View
A
Retailer 5
-
£351 GBP
View
A
Retailer 6
-
£369 GBP
View
A
Retailer 7
-
£384 GBP
View
A
Retailer 8
-
£422 GBP
View
B+
Retailer 9
-
£538 GBP
View
Most Expensive
B+
MOH London
FE1CAEFCA · Nov 1
£763 GBP
View
9 more retailers have this diamond
Prices start from £245 GBPSave up to £518 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
£245 GBP