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Radiant|Natural|GIA

0.50ct F SI1 Radiant Natural Diamond

F/SI1 • GIA 6401545107

Certificate GIA 6401545107

Diamond specifications and retailer prices

From £405 GBP
As of November 6, 2026
Save £230 GBP (36%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £635 GBP at B2C Jewels · As of November 6, 2026
View at B2C Jewels

About this 0.5ct natural radiant diamond

This 0.5ct natural radiant sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included) and certified by GIA 6401545107. Listed at 2 retailers as of November 6, 2026, with prices from £405 to £635, a £230 spread on the same certified stone. B2C Jewels lists it at £635. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.50
Carat
F
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6401545107
Dimensions4.25 × 4.15 × 3.24 mm
L/W Ratio1.02
Top View
4.25 mm4.15 mm0.50 ctF / SI1
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6401545107
Side View
Table 80.0%CrownGirdle: ETK-ETKPavilionCulet: NoneDepth 78.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £635 GBP|Low: £405 GBP|High: £635 GBP|Avg: £523 GBP|+1.8%
B2C Jewels
Retailer 2
November 6, 2026
Retailer 2£405 GBP
B2C Jewels£635 GBP

36 data points across 2 retailers

2 retailers£405 GBP to £635 GBP

B+
Cheapest Retailer
-
£405 GBP
Most Expensive
C
B2C Jewels
19497143 · Nov 6
£635 GBP
$850 USD
View
1 more retailer has this diamond
Prices start from £405 GBPSave up to £230 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.

B+
0.50ct Radiant
£405 GBP