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Radiant|Natural|GIA

0.51ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 1568537063

Certificate GIA 1568537063

Diamond specifications and retailer prices

From £326 GBP
$438 USD
As of November 2, 2026
Save £255 GBP (44%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £581 GBP at B2C Jewels · As of November 2, 2026
View at B2C Jewels

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1568537063. Listed at 4 retailers as of November 2, 2026, with prices from £326 to £581, a £255 spread on the same certified stone. B2C Jewels lists it at £581. 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

0.51
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1568537063
Dimensions5.52 × 4.08 × 2.72 mm
L/W Ratio1.35
Top View
5.52 mm4.08 mm0.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568537063
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £581 GBP|Low: £326 GBP|High: £589 GBP|Avg: £432 GBP|-1.4%
B2C Jewels
Retailer 2
Retailer 3
October 28, 2026
Retailer 3£326 GBP
Retailer 2£441 GBP
B2C Jewels£581 GBP

3 data points across 3 retailers

4 retailers£326 GBP to £581 GBP

A
Cheapest Retailer
-
£326 GBP
$438 USD
Final sale: no returns
B
Retailer 2
-
£431 GBP
$579 USD
View
A
Retailer 3
-
£441 GBP
A$911 AUD
View
Most Expensive
B+
B2C Jewels
37313905 · Nov 2
£581 GBP
$780 USD
View
3 more retailers have this diamond
Prices start from £326 GBPSave up to £255 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
0.51ct Radiant
£326 GBP