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Radiant|Natural|IGI

0.51ct I IF Radiant Natural Diamond

EX • I/IF • IGI 763627020

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 763627020

Diamond specifications and retailer prices

From £353 GBP
As of November 6, 2026
Save £531 GBP (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £884 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 763627020. Listed at 5 retailers as of November 1, 2026, with prices from £353 to £884, a £531 spread on the same certified stone. MOH London lists it at £884. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.2°
Pavilion angle36.8°
OriginNatural
Grading LabIGI
CertificateIGI 763627020
Dimensions5.41 × 3.98 × 2.67 mm
L/W Ratio1.36
Culet sizePointed
Top View
5.41 mm3.98 mm0.51 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 763627020
Side View
Table 62.0%Crown 50.2°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 67.1%

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 6
Current: £884 GBP|Low: £247 GBP|High: £889 GBP|Avg: £497 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 6£247 GBP
Retailer 5£353 GBP
Retailer 7£432 GBP
Retailer 2£493 GBP
Retailer 8£496 GBP
Retailer 4£534 GBP
Retailer 3£594 GBP
MOH London£884 GBP

19 data points across 8 retailers

5 retailers£353 GBP to £884 GBP

A
Cheapest Retailer
-
£353 GBP
Final sale: no returns
A
Retailer 2
-
£493 GBP
View
B+
Retailer 3
-
£534 GBP
View
B+
Retailer 4
-
£594 GBP
View
Most Expensive
B
MOH London
FA6F23AAC · Nov 1
£884 GBP
View
4 more retailers have this diamond
Prices start from £353 GBPSave up to £531 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
£353 GBP