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Round|Natural|GIA

0.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2437938401

Certificate GIA 2437938401

Diamond specifications and retailer prices

From £337 GBP
As of November 6, 2026
Save £1,149 GBP (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,485 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 2437938401. Listed at 19 retailers as of November 4, 2026, with prices from £337 to £1,485, a £1,149 spread on the same certified stone. NZ Jewellers lists it at £1,485. 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 angle31.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2437938401
Dimensions5.18 × 5.15 × 3.11 mm
L/W Ratio1.01
Top View
5.18 mm5.15 mm0.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2437938401
Side View
Table 58.0%Crown 31.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.2%

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: £337 GBP|Low: £337 GBP|High: £1,106 GBP|Avg: £567 GBP|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1£337 GBP
Retailer 9£437 GBP
Retailer 5£443 GBP
Retailer 6£472 GBP
Retailer 2£484 GBP
Retailer 3£574 GBP
Retailer 8£583 GBP
Retailer 4£614 GBP
Retailer 7£1,092 GBP

35 data points across 9 retailers

19 retailers£337 GBP to £1,485 GBP

A
Cheapest Retailer
-
£337 GBP
A
Retailer 2
-
£389 GBP
View
A
Retailer 3
-
£437 GBP
View
Final sale: no returns
A
Retailer 4
-
£443 GBP
View
A
Retailer 5
-
£448 GBP
View
A
Retailer 6
-
£472 GBP
View
A
Retailer 7
-
£473 GBP
View
A
Retailer 8
-
£484 GBP
View
Retailer 9
-
£510 GBP
View
Price last confirmed 8 days ago
A
Retailer 10
-
£510 GBP
View
B+
Retailer 11
-
£546 GBP
View
B+
Retailer 12
-
£571 GBP
View
B+
Retailer 13
-
£574 GBP
View
B+
Retailer 14
-
£583 GBP
View
B+
Retailer 15
-
£614 GBP
View
B
Retailer 16
-
£747 GBP
View
B
Retailer 17
-
£1,066 GBP
View
B
Retailer 18
-
£1,092 GBP
View
Most Expensive
B
NZ Jewellers
ef83fe0f-9a49-4c07-a241-3f83059d42ee · Nov 4
£1,485 GBP
$1,999 USD
View
18 more retailers have this diamond
Prices start from £337 GBPSave up to £1,149 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
£337 GBP