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Oval|Lab Grown|IGI

1.57ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG739537722

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG739537722

Diamond specifications and retailer prices

From $427 CAD
$305 USD
As of October 26, 2026
Save $1,994 CAD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,421 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.57ct lab-grown oval diamond

This 1.57ct 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 LG739537722 or 739537722. Listed at 16 retailers as of October 26, 2026, with prices from $427 to $2,421, a $1,994 spread on the same certified stone. Brilliant Earth lists it at $2,421. 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

1.57
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739537722
Dimensions9.30 × 6.62 × 4.07 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.30 mm6.62 mm1.57 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739537722
Side View
Table 62.0%Crown 33.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.5%

Caratlytics Score

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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 26
Current: $2,421 CAD|Low: $410 CAD|High: $2,421 CAD|Avg: $1,035 CAD
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$427 CAD
Retailer 6$479 CAD
Retailer 11$495 CAD
Retailer 10$530 CAD
Retailer 12$530 CAD
Retailer 9$593 CAD
Retailer 4$791 CAD
Retailer 5$864 CAD
Retailer 2$939 CAD
Retailer 7$1,001 CAD
Retailer 14$1,358 CAD
Retailer 3$1,628 CAD
Retailer 15$1,703 CAD
Retailer 8$2,135 CAD
Brilliant Earth$2,421 CAD

39 data points across 15 retailers

16 retailers$427 CAD to $2,421 CAD

A
Cheapest Retailer
-
$427 CAD
$305 USD
A
Retailer 2
-
$479 CAD
$342 USD
View
Final sale: no returns
A
Retailer 3
-
$495 CAD
$354 USD
View
A
Retailer 4
-
$530 CAD
$379 USD
View
A
Retailer 5
-
$530 CAD
$379 USD
View
A
Retailer 6
-
$593 CAD
£334 GBP
View
B+
Retailer 7
-
$787 CAD
$562 USD
View
B+
Retailer 8
-
$791 CAD
$565 USD
View
B+
Retailer 9
-
$864 CAD
$617 USD
View
B+
Retailer 10
-
$939 CAD
£528 GBP
View
B+
Retailer 11
-
$1,001 CAD
$715 USD
View
B
Retailer 12
-
$1,358 CAD
$970 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$1,628 CAD
$1,163 USD
View
B
Retailer 14
-
$1,703 CAD
$1,217 USD
View
B
Retailer 15
-
$2,135 CAD
£1,201 GBP
View
Most Expensive
B
Brilliant Earth
16756886A · Oct 29
$2,421 CAD
$1,730 USD
View
15 more retailers have this diamond
Prices start from $427 CADSave up to $1,994 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
1.57ct Oval
$427 CAD