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 $473 USD
As of November 2, 2026
Save $711 USD (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,184 USD 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 $473 to $1,184, a $711 spread on the same certified stone. MOH London lists it at $1,184. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,184 USD|Low: $331 USD|High: $1,190 USD|Avg: $663 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$331 USD
Retailer 5$473 USD
Retailer 7$578 USD
Retailer 8$665 USD
Retailer 2$667 USD
Retailer 3$715 USD
Retailer 4$791 USD
MOH London$1,184 USD

14 data points across 8 retailers

5 retailers$473 USD to $1,184 USD

A
Cheapest Retailer
-
$473 USD
Final sale: no returns
A
Retailer 2
-
$667 USD
£525 GBP
View
B+
Retailer 3
-
$715 USD
View
B+
Retailer 4
-
$791 USD
ZAR 12,786 ZAR
View
Most Expensive
B
MOH London
FA6F23AAC · Nov 1
$1,184 USD
£932 GBP
View
4 more retailers have this diamond
Prices start from $473 USDSave up to $711 USD

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
$473 USD