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Radiant|Lab Grown|IGI

1.51ct I VS2 Radiant Lab Grown Diamond

ID • I/VS2 • IGI LG512225948

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

Certificate IGI LG512225948

Diamond specifications and retailer prices

From $1,900 CAD
$1,360 USD
As of October 29, 2026
Save $2,547 CAD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,811 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512225948 or 512225948. Listed at 11 retailers as of October 28, 2026, with a 134% 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

1.51
Carat
I
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle29.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512225948
Dimensions7.91 × 5.36 × 3.78 mm
L/W Ratio1.48
Girdle conditionFaceted
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
7.91 mm5.36 mm1.51 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512225948
Side View
Table 67.0%Crown 45°Girdle: STK-THKPavilion 29.5°Culet: NoneDepth 70.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,811 CAD|Low: $1,900 CAD|High: $6,866 CAD|Avg: $4,015 CAD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 2$1,900 CAD
Retailer 5$2,612 CAD
Retailer 7$3,218 CAD
Retailer 3$3,740 CAD
Retailer 6$4,305 CAD
Retailer 4$5,727 CAD
MOH London$6,811 CAD

10 data points across 7 retailers

11 retailers$1,900 CAD to $4,446 CAD

B
Cheapest Retailer
-
$1,900 CAD
$1,360 USD
B
Retailer 2
-
$2,045 CAD
$1,464 USD
View
B
Retailer 3
-
$2,225 CAD
$1,593 USD
View
Retailer 4
-
$2,372 CAD
$1,698 USD
View
Price last confirmed 18 days ago
B
Retailer 5
-
$2,372 CAD
$1,698 USD
View
B
Retailer 6
-
$2,612 CAD
$1,870 USD
View
B
Retailer 7
-
$3,740 CAD
$2,677 USD
View
B
Retailer 8
-
$4,305 CAD
$3,082 USD
View
B
Retailer 9
-
$4,446 CAD
$3,183 USD
View
Retailer 10
-
$5,727 CAD
£3,228 GBP
View
Price under review
Most Expensive
MOH London
LG512225948 · Oct 29
$6,811 CAD
£3,839 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $1,900 CADSave up to $2,547 CAD

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.

B
1.51ct Radiant
$1,900 CAD