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Radiant|Lab Grown|IGI

0.51ct H VS2 Radiant Lab Grown Diamond

ID • H/VS2 • IGI LG539235838

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

Certificate IGI LG539235838

Diamond specifications and retailer prices

From $177 AUD
$124 USD
As of October 30, 2026
Save $1,182 AUD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,838 AUD at MOH London · As of November 1, 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 H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG539235838 or 539235838. Listed at 16 retailers as of October 30, 2026, with a 668% 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
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539235838
Dimensions5.49 × 3.94 × 2.67 mm
L/W Ratio1.39
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
5.49 mm3.94 mm0.51 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539235838
Side View
Table 66.0%Crown 45.4°Girdle: MED-STKPavilion 32.8°Culet: NoneDepth 67.8%

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: $1,838 AUD|Low: $170 AUD|High: $2,526 AUD|Avg: $765 AUD
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
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 14$177 AUD
Retailer 4$198 AUD
Retailer 18$205 AUD
Retailer 15$234 AUD
Retailer 19$234 AUD
Retailer 7$341 AUD
Retailer 2$385 AUD
Retailer 17$424 AUD
Retailer 12$531 AUD
Retailer 3$545 AUD
Retailer 10$621 AUD
Retailer 16$708 AUD
Retailer 13$748 AUD
Retailer 8$788 AUD
Retailer 11$856 AUD
Retailer 5$1,153 AUD
Retailer 6$1,359 AUD
MOH London$1,838 AUD
Retailer 9$2,526 AUD

19 data points across 19 retailers

16 retailers$177 AUD to $1,359 AUD

A
Cheapest Retailer
-
$177 AUD
$124 USD
A
Retailer 2
-
$198 AUD
$139 USD
View
Final sale: no returns
A
Retailer 3
-
$205 AUD
$144 USD
View
Retailer 4
-
$234 AUD
$164 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$234 AUD
$164 USD
View
B+
Retailer 6
-
$385 AUD
$270 USD
View
B+
Retailer 7
-
$424 AUD
$297 USD
View
B+
Retailer 8
-
$531 AUD
£293 GBP
View
B+
Retailer 9
-
$545 AUD
$382 USD
View
B
Retailer 10
-
$621 AUD
HK$3,400 HKD
View
B
Retailer 11
-
$708 AUD
$496 USD
View
B
Retailer 12
-
$748 AUD
$524 USD
View
B
Retailer 13
-
$788 AUD
$552 USD
View
B
Retailer 14
-
$1,153 AUD
£636 GBP
View
B
Retailer 15
-
$1,359 AUD
$952 USD
View
Most Expensive
MOH London
LG539235838 · Nov 1
$1,838 AUD
£1,014 GBP
View
Price under review
15 more retailers have this diamond
Prices start from $177 AUDSave up to $1,182 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