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Radiant|Lab Grown|IGI

1.51ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG563240076

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

Certificate IGI LG563240076

Diamond specifications and retailer prices

From $762 CAD
As of November 6, 2026
Save $2,751 CAD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,514 CAD at MOH London · As of November 5, 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 D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG563240076 or 563240076. Listed at 14 retailers as of November 5, 2026, with prices from $762 to $3,514, a $2,751 spread on the same certified stone. MOH London lists it at $3,514. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.4°
Pavilion angle29.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG563240076
Dimensions7.28 × 5.64 × 3.87 mm
L/W Ratio1.29
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.28 mm5.64 mm1.51 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG563240076
Side View
Table 66.5%Crown 50.4°Girdle: Slightly ThickPavilion 29.9°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,514 CAD|Low: $544 CAD|High: $3,566 CAD|Avg: $1,450 CAD|-1.3%
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
November 6, 2026
Retailer 10$681 CAD
Retailer 3$762 CAD
Retailer 4$762 CAD
Retailer 5$830 CAD
Retailer 11$844 CAD
Retailer 9$1,041 CAD
Retailer 2$1,228 CAD
Retailer 13$1,315 CAD
Retailer 6$1,384 CAD
Retailer 7$1,653 CAD
Retailer 8$2,269 CAD
Retailer 12$2,713 CAD
MOH London$3,514 CAD

45 data points across 13 retailers

14 retailers$762 CAD to $3,514 CAD

Retailer 1
-
$681 CAD
Price last confirmed 15 days ago
B+
Retailer 2
-
$762 CAD
View
Final sale: no returns
Retailer 3
-
$762 CAD
View
Price last confirmed 14 days ago
B+
Retailer 4
-
$830 CAD
View
Retailer 5
-
$844 CAD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$1,041 CAD
View
B
Retailer 7
-
$1,228 CAD
View
B
Retailer 8
-
$1,315 CAD
View
B
Retailer 9
-
$1,384 CAD
View
Retailer 10
-
$1,653 CAD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$1,961 CAD
View
B
Retailer 12
-
$2,269 CAD
View
Retailer 13
-
$2,713 CAD
View
Price last confirmed 13 days ago
Most Expensive
B
MOH London
LG563240076 · Nov 5
$3,514 CAD
£1,967 GBP
View
13 more retailers have this diamond
Prices start from $762 CADSave up to $2,751 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
$762 CAD