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Oval|Lab Grown|IGI

1.51ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG451057749

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057749

Diamond specifications and retailer prices

From $1,118 CAD
$800 USD
As of October 29, 2026
Save $4,732 CAD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,849 CAD at MOH London · As of October 27, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057749 or 451057749. Listed at 10 retailers as of October 27, 2026, with prices from $1,118 to $5,849, a $4,732 spread on the same certified stone. MOH London lists it at $5,849. 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
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057749
Dimensions8.87 × 6.61 × 4.05 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.87 mm6.61 mm1.51 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057749
Side View
Table 59.0%Crown 33.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.3%

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 29
Current: $5,849 CAD|Low: $1,118 CAD|High: $5,911 CAD|Avg: $3,069 CAD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 25, 2026
Retailer 2$1,118 CAD
Retailer 4$1,755 CAD
Retailer 6$2,598 CAD
Retailer 3$2,893 CAD
Retailer 5$3,688 CAD
Retailer 7$4,069 CAD
MOH London$5,849 CAD

10 data points across 7 retailers

10 retailers$1,118 CAD to $5,849 CAD

A
Cheapest Retailer
-
$1,118 CAD
$800 USD
A
Retailer 2
-
$1,567 CAD
$1,122 USD
View
A
Retailer 3
-
$1,706 CAD
$1,221 USD
View
A
Retailer 4
-
$1,755 CAD
$1,256 USD
View
Final sale: no returns
Retailer 5
-
$1,817 CAD
$1,301 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$1,817 CAD
$1,301 USD
View
B
Retailer 7
-
$2,893 CAD
$2,071 USD
View
B
Retailer 8
-
$3,407 CAD
$2,439 USD
View
B
Retailer 9
-
$3,688 CAD
$2,640 USD
View
Most Expensive
B
MOH London
LG451057749 · Oct 27
$5,849 CAD
£3,297 GBP
View
9 more retailers have this diamond
Prices start from $1,118 CADSave up to $4,732 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
$1,118 CAD