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Radiant|Natural|IGI

0.51ct H SI2 Radiant Natural Diamond

VG • H/SI2 • IGI 741596999

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

Certificate IGI 741596999

Diamond specifications and retailer prices

From $399 AUD
₹26,688 INR
As of October 30, 2026
Save $854 AUD (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,253 AUD 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 741596999. Listed at 6 retailers as of October 30, 2026, with prices from $399 to $1,253, a $854 spread on the same certified stone. MOH London lists it at $1,253. 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

0.51
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle43.9°
Pavilion angle32.2°
OriginNatural
Grading LabIGI
CertificateIGI 741596999
Dimensions5.08 × 3.96 × 2.72 mm
L/W Ratio1.28
Culet sizePointed
Top View
5.08 mm3.96 mm0.51 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 741596999
Side View
Table 68.0%Crown 43.9°Girdle: ThickPavilion 32.2°Culet: NoneDepth 68.7%

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: Oct 30
Current: $1,253 AUD|Low: $397 AUD|High: $1,304 AUD|Avg: $808 AUD|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3$399 AUD
Retailer 4$680 AUD
Retailer 5$729 AUD
Retailer 6$751 AUD
Retailer 2$991 AUD
MOH London$1,253 AUD

44 data points across 6 retailers

6 retailers$399 AUD to $1,253 AUD

A
Cheapest Retailer
-
$399 AUD
₹26,688 INR
B+
Retailer 2
-
$680 AUD
£376 GBP
View
B+
Retailer 3
-
$729 AUD
$512 USD
View
B+
Retailer 4
-
$751 AUD
$528 USD
View
B+
Retailer 5
-
$991 AUD
€663 EUR
View
Most Expensive
B
MOH London
BA1162924 · Nov 1
$1,253 AUD
£693 GBP
View
5 more retailers have this diamond
Prices start from $399 AUDSave up to $854 AUD

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
$399 AUD