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Radiant|Lab Grown|IGI

1.51ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG638430098

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

Certificate IGI LG638430098

Diamond specifications and retailer prices

From $323 CAD
$231 USD
As of November 3, 2026
Save $1,109 CAD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,432 CAD at MOH London · As of November 2, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG638430098 or 638430098. Listed at 18 retailers as of November 2, 2026, with prices from $323 to $1,432, a $1,109 spread on the same certified stone. MOH London lists it at $1,432. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638430098
Dimensions8.04 × 5.69 × 3.76 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.04 mm5.69 mm1.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638430098
Side View
Table 62.0%Crown 40.3°Girdle: MED-STKPavilion 35°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $1,432 CAD|Low: $286 CAD|High: $1,500 CAD|Avg: $864 CAD|-3.6%
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
November 2, 2026
Retailer 3$288 CAD
Retailer 13$323 CAD
Retailer 15$334 CAD
Retailer 7$370 CAD
Retailer 14$482 CAD
Retailer 11$617 CAD
Retailer 9$652 CAD
Retailer 16$688 CAD
Retailer 12$714 CAD
Retailer 10$833 CAD
Retailer 2$934 CAD
Retailer 6$1,202 CAD
Retailer 4$1,224 CAD
Retailer 5$1,356 CAD
Retailer 8$1,406 CAD
MOH London$1,432 CAD

28 data points across 16 retailers

18 retailers$323 CAD to $1,432 CAD

Retailer 1
-
$288 CAD
$206 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$323 CAD
$231 USD
View
Final sale: no returns
A
Retailer 3
-
$334 CAD
$239 USD
View
A
Retailer 4
-
$358 CAD
$256 USD
View
Retailer 5
-
$370 CAD
$265 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$370 CAD
$265 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$482 CAD
$345 USD
View
A
Retailer 8
-
$617 CAD
ZAR 7,135 ZAR
View
A
Retailer 9
-
$652 CAD
€444 EUR
View
A
Retailer 10
-
$688 CAD
$492 USD
View
A
Retailer 11
-
$714 CAD
$511 USD
View
A
Retailer 12
-
$833 CAD
A$917 AUD
View
A
Retailer 13
-
$934 CAD
$668 USD
View
Retailer 14
-
$1,189 CAD
$851 USD
View
Price last confirmed 9 days ago
Retailer 15
-
$1,202 CAD
$860 USD
View
Price last confirmed 15 days ago
B+
Retailer 16
-
$1,224 CAD
$876 USD
View
B+
Retailer 17
-
$1,356 CAD
$970 USD
View
Most Expensive
B+
MOH London
LG638430098 · Nov 2
$1,432 CAD
£807 GBP
View
17 more retailers have this diamond
Prices start from $323 CADSave up to $1,109 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.

A
1.51ct Radiant
$323 CAD