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Round|Natural|GIA

0.50ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 6442650277

Certificate GIA 6442650277

Diamond specifications and retailer prices

From £210 GBP
As of November 4, 2026
Save £742 GBP (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £953 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 M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6442650277. Listed at 7 retailers as of November 4, 2026, with prices from £210 to £953, a £742 spread on the same certified stone. NZ Jewellers lists it at £953. 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
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
Crown angle33.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6442650277
Dimensions5.08 × 5.05 × 3.15 mm
L/W Ratio1.01
Top View
5.08 mm5.05 mm0.50 ctM / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6442650277
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.3%

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 4
Current: £953 GBP|Low: £210 GBP|High: £973 GBP|Avg: £367 GBP|-2.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4£210 GBP
Retailer 5£227 GBP
Retailer 7£235 GBP
Retailer 2£263 GBP
Retailer 6£283 GBP
Retailer 9£336 GBP
Retailer 8£343 GBP
Retailer 3£400 GBP
NZ Jewellers£953 GBP

39 data points across 9 retailers

7 retailers£210 GBP to £953 GBP

A
Cheapest Retailer
-
£210 GBP
Retailer 2
-
£227 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£235 GBP
View
A
Retailer 4
-
£263 GBP
View
B+
Retailer 5
-
£283 GBP
View
B
Retailer 6
-
£400 GBP
View
Most Expensive
C
NZ Jewellers
a388424a-3324-48b4-a720-c4c3c45e177a · Nov 4
£953 GBP
$1,282 USD
View
6 more retailers have this diamond
Prices start from £210 GBPSave up to £742 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
£210 GBP