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 $124 USD
As of October 30, 2026
Save $684 USD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,294 USD at MOH London · As of October 19, 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 October 30, 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
Color
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: Oct 30
Current: $1,294 USD|Low: $119 USD|High: $1,444 USD|Avg: $496 USD|-0.6%
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
October 30, 2026
Retailer 10$124 USD
Retailer 4$139 USD
Retailer 14$144 USD
Retailer 11$164 USD
Retailer 15$164 USD
Retailer 2$270 USD
Retailer 13$297 USD
Retailer 3$382 USD
Retailer 7$435 USD
Retailer 12$496 USD
Retailer 9$524 USD
Retailer 8$525 USD
Retailer 5$552 USD
Retailer 16$808 USD
MOH London$1,294 USD
Retailer 6$1,444 USD

16 data points across 16 retailers

14 retailers$124 USD to $808 USD

A
Cheapest Retailer
-
$124 USD
A
Retailer 2
-
$139 USD
View
Final sale: no returns
A
Retailer 3
-
$144 USD
View
Retailer 4
-
$164 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$164 USD
View
A
Retailer 6
-
$270 USD
View
B+
Retailer 7
-
$297 USD
View
B
Retailer 8
-
$382 USD
View
B
Retailer 9
-
$435 USD
HK$3,400 HKD
View
B
Retailer 10
-
$496 USD
View
B
Retailer 11
-
$524 USD
View
B
Retailer 12
-
$552 USD
View
B
Retailer 13
-
$808 USD
£636 GBP
View
Most Expensive
MOH London
LG541251043 · Oct 19
$1,294 USD
£1,019 GBP
View
Price under review
13 more retailers have this diamond
Prices start from $124 USDSave up to $684 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