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Oval|Lab Grown|IGI

1.51ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG445038845

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445038845

Diamond specifications and retailer prices

From $1,182 CAD
As of November 6, 2026
Save $5,558 CAD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,740 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445038845 or 445038845. Listed at 11 retailers as of November 5, 2026, with prices from $1,182 to $6,740, a $5,558 spread on the same certified stone. MOH London lists it at $6,740. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445038845
Dimensions9.00 × 6.53 × 4.12 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.00 mm6.53 mm1.51 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445038845
Side View
Table 56.5%Crown 32.8°Girdle: STK-THKPavilion 42°Culet: NoneDepth 63.1%

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: Nov 6
Current: $6,740 CAD|Low: $1,182 CAD|High: $6,847 CAD|Avg: $3,473 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
November 5, 2026
Retailer 2$1,182 CAD
Retailer 5$2,040 CAD
Retailer 9$2,220 CAD
Retailer 10$2,284 CAD
Retailer 6$2,366 CAD
Retailer 12$2,609 CAD
Retailer 3$3,215 CAD
Retailer 7$3,732 CAD
Retailer 11$4,294 CAD
Retailer 8$4,435 CAD
MOH London$6,740 CAD
Retailer 4$6,773 CAD

17 data points across 12 retailers

11 retailers$1,182 CAD to $6,740 CAD

A
Cheapest Retailer
-
$1,182 CAD
B+
Retailer 2
-
$2,040 CAD
View
B+
Retailer 3
-
$2,220 CAD
View
B+
Retailer 4
-
$2,284 CAD
View
Final sale: no returns
Retailer 5
-
$2,366 CAD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$2,366 CAD
View
B+
Retailer 7
-
$2,609 CAD
View
B
Retailer 8
-
$3,732 CAD
View
B
Retailer 9
-
$4,294 CAD
View
B
Retailer 10
-
$4,435 CAD
View
Most Expensive
B
MOH London
LG445038845 · Nov 5
$6,740 CAD
£3,773 GBP
View
10 more retailers have this diamond
Prices start from $1,182 CADSave up to $5,558 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 Oval
$1,182 CAD