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Oval|Lab Grown|IGI

1.51ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG732547933

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG732547933

Diamond specifications and retailer prices

From $280 CAD
$200 USD
As of October 29, 2026
Save $2,043 CAD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,323 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG732547933 or 732547933. Listed at 13 retailers as of October 29, 2026, with prices from $280 to $2,323, a $2,043 spread on the same certified stone. Brilliant Earth lists it at $2,323. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732547933
Dimensions8.91 × 6.49 × 4.12 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.91 mm6.49 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732547933
Side View
Table 56.0%Crown 34.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.5%

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: Oct 29
Current: $2,323 CAD|Low: $269 CAD|High: $2,407 CAD|Avg: $809 CAD|-3.5%
Brilliant Earth
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
October 29, 2026
Retailer 13$280 CAD
Retailer 6$325 CAD
Retailer 5$347 CAD
Retailer 14$347 CAD
Retailer 9$389 CAD
Retailer 15$603 CAD
Retailer 11$617 CAD
Retailer 2$634 CAD
Retailer 3$690 CAD
Retailer 7$707 CAD
Retailer 4$1,115 CAD
Retailer 12$1,120 CAD
Retailer 10$1,295 CAD
Retailer 8$1,632 CAD
Brilliant Earth$2,323 CAD

43 data points across 15 retailers

13 retailers$280 CAD to $2,323 CAD

A
Cheapest Retailer
-
$280 CAD
$200 USD
A
Retailer 2
-
$325 CAD
$232 USD
View
A
Retailer 3
-
$347 CAD
$248 USD
View
A
Retailer 4
-
$347 CAD
$248 USD
View
A
Retailer 5
-
$389 CAD
£219 GBP
View
B+
Retailer 6
-
$603 CAD
$431 USD
View
A
Retailer 7
-
$634 CAD
£357 GBP
View
A
Retailer 8
-
$690 CAD
$493 USD
View
A
Retailer 9
-
$707 CAD
$505 USD
View
B+
Retailer 10
-
$1,115 CAD
$797 USD
View
B+
Retailer 11
-
$1,120 CAD
$800 USD
View
B
Retailer 12
-
$1,632 CAD
£918 GBP
View
Most Expensive
B
Brilliant Earth
15705245A · Oct 29
$2,323 CAD
$1,660 USD
View
12 more retailers have this diamond
Prices start from $280 CADSave up to $2,043 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
$280 CAD