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Oval|Lab Grown|IGI

1.50ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG526279690

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG526279690

Diamond specifications and retailer prices

From $1,643 CAD
$1,170 USD
As of October 28, 2026
Save $2,384 CAD (59%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,341 CAD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 1.5ct lab-grown oval diamond

This 1.5ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG526279690 or 526279690. Listed at 12 retailers as of October 28, 2026, with a 145% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.50
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526279690
Dimensions8.52 × 6.41 × 4.24 mm
L/W Ratio1.33
Girdle conditionFaceted
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
8.52 mm6.41 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526279690
Side View
Table 57.0%Crown 38.8°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 66.1%

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 28
Current: $4,027 CAD|Low: $1,643 CAD|High: $8,246 CAD|Avg: $3,576 CAD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6$1,643 CAD
Retailer 10$1,845 CAD
Retailer 5$2,457 CAD
Retailer 9$2,749 CAD
Retailer 7$2,849 CAD
Retailer 2$3,083 CAD
Retailer 1$4,027 CAD
Retailer 8$4,473 CAD
Retailer 4$4,912 CAD
Retailer 3$8,181 CAD

39 data points across 10 retailers

12 retailers$1,643 CAD to $4,027 CAD

B
Cheapest Retailer
-
$1,643 CAD
$1,170 USD
B
Retailer 2
-
$2,457 CAD
$1,749 USD
View
B
Retailer 3
-
$2,672 CAD
$1,902 USD
View
B
Retailer 4
-
$2,749 CAD
$1,957 USD
View
Final sale: no returns
B
Retailer 5
-
$2,849 CAD
$2,028 USD
View
Price last confirmed 16 days ago
B
Retailer 6
-
$2,849 CAD
$2,028 USD
View
B
Retailer 7
-
$3,083 CAD
$2,195 USD
View
B
Retailer 8
-
$4,027 CAD
£2,258 GBP
View
B
Retailer 9
-
$4,473 CAD
$3,184 USD
View
Price under review
B
Retailer 10
-
$4,912 CAD
$3,497 USD
View
Price under review
Most Expensive
B
NZ Jewellers
fb839bcf-edda-4d33-844b-ebeb888cef9c · Oct 28
$5,341 CAD
$3,802 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,643 CADSave up to $2,384 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
1.50ct Oval
$1,643 CAD