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 $124 USD
As of October 30, 2026
Save $828 USD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,294 USD at MOH London · As of October 29, 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
Color
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: $1,294 USD|Low: $98 USD|High: $1,770 USD|Avg: $539 USD|+0.5%
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
October 30, 2026
Retailer 14$124 USD
Retailer 4$139 USD
Retailer 18$144 USD
Retailer 15$164 USD
Retailer 19$164 USD
Retailer 7$239 USD
Retailer 2$270 USD
Retailer 17$297 USD
Retailer 12$372 USD
Retailer 3$382 USD
Retailer 10$435 USD
Retailer 16$496 USD
Retailer 13$524 USD
Retailer 8$552 USD
Retailer 11$600 USD
Retailer 5$808 USD
Retailer 6$952 USD
MOH London$1,294 USD
Retailer 9$1,770 USD

19 data points across 19 retailers

16 retailers$124 USD to $952 USD

A
Cheapest Retailer
-
$124 USD
A
Retailer 2
-
$139 USD
View
Final sale: no returns
A
Retailer 3
-
$144 USD
View
A
Retailer 4
-
$164 USD
View
A
Retailer 5
-
$164 USD
View
A
Retailer 6
-
$270 USD
View
B+
Retailer 7
-
$297 USD
View
B
Retailer 8
-
$372 USD
£293 GBP
View
B
Retailer 9
-
$382 USD
View
B
Retailer 10
-
$435 USD
HK$3,400 HKD
View
B
Retailer 11
-
$496 USD
View
B
Retailer 12
-
$524 USD
View
B
Retailer 13
-
$552 USD
View
B
Retailer 14
-
$808 USD
£636 GBP
View
B
Retailer 15
-
$952 USD
View
Most Expensive
MOH London
LG539235838 · Oct 29
$1,294 USD
£1,019 GBP
View
Price under review
15 more retailers have this diamond
Prices start from $124 USDSave up to $828 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
$124 USD