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Radiant|Lab Grown|IGI

0.51ct I VS2 Radiant Lab Grown Diamond

ID • I/VS2 • IGI LG541251043

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

Certificate IGI LG541251043

Diamond specifications and retailer prices

From $177 AUD
As of November 4, 2026
Save $974 AUD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,836 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant sits in the half to three-quarter carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG541251043 or 541251043. Listed at 14 retailers as of November 4, 2026, with a 551% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
I
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541251043
Dimensions5.70 × 4.07 × 2.59 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.70 mm4.07 mm0.51 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541251043
Side View
Table 63.0%Crown 38.5°Girdle: MED-THKPavilion 32.6°Culet: NoneDepth 63.6%

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 4
Current: $1,836 AUD|Low: $170 AUD|High: $2,057 AUD|Avg: $701 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 10$177 AUD
Retailer 4$198 AUD
Retailer 14$205 AUD
Retailer 11$234 AUD
Retailer 15$234 AUD
Retailer 2$385 AUD
Retailer 13$423 AUD
Retailer 3$545 AUD
Retailer 7$620 AUD
Retailer 12$707 AUD
Retailer 9$747 AUD
Retailer 8$748 AUD
Retailer 5$787 AUD
Retailer 16$1,150 AUD
MOH London$1,836 AUD
Retailer 6$2,057 AUD

15 data points across 16 retailers

14 retailers$177 AUD to $1,150 AUD

A
Cheapest Retailer
-
$177 AUD
A
Retailer 2
-
$198 AUD
View
Final sale: no returns
A
Retailer 3
-
$205 AUD
View
Retailer 4
-
$234 AUD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$234 AUD
View
B+
Retailer 6
-
$385 AUD
View
B+
Retailer 7
-
$423 AUD
View
B+
Retailer 8
-
$545 AUD
View
B
Retailer 9
-
$620 AUD
View
B
Retailer 10
-
$707 AUD
View
B
Retailer 11
-
$747 AUD
View
B
Retailer 12
-
$787 AUD
View
B
Retailer 13
-
$1,150 AUD
View
Most Expensive
MOH London
LG541251043 · Nov 2
$1,836 AUD
£1,014 GBP
View
Price under review
13 more retailers have this diamond
Prices start from $177 AUDSave up to $974 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
$177 AUD