CaratHunter
Plans
Oval|Lab Grown|IGI

1.57ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG839603313

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839603313

Diamond specifications and retailer prices

From $325 CAD
$232 USD
As of October 29, 2026
Save $1,355 CAD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,680 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 LG839603313 or 839603313. Listed at 10 retailers as of October 29, 2026, with prices from $325 to $1,680, a $1,355 spread on the same certified stone. Brilliant Earth lists it at $1,680. 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 angle31.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839603313
Dimensions9.68 × 6.64 × 4.04 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.68 mm6.64 mm1.57 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839603313
Side View
Table 58.0%Crown 31.9°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 60.8%

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: $1,680 CAD|Low: $448 CAD|High: $1,722 CAD|Avg: $1,154 CAD|-2.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4$448 CAD
Retailer 6$680 CAD
Retailer 7$768 CAD
Retailer 5$1,285 CAD
Retailer 3$1,302 CAD
Retailer 2$1,621 CAD
Brilliant Earth$1,680 CAD

13 data points across 7 retailers

10 retailers$325 CAD to $1,680 CAD

A
Cheapest Retailer
-
$325 CAD
$232 USD
A
Retailer 2
-
$376 CAD
$269 USD
View
A
Retailer 3
-
$448 CAD
HK$2,500 HKD
View
B+
Retailer 4
-
$680 CAD
$486 USD
View
B+
Retailer 5
-
$768 CAD
$549 USD
View
B
Retailer 6
-
$1,285 CAD
SGD 1,241 SGD
View
B
Retailer 7
-
$1,293 CAD
$924 USD
View
Retailer 8
-
$1,302 CAD
$930 USD
View
Price last confirmed 11 days ago
B
Retailer 9
-
$1,621 CAD
£912 GBP
View
Most Expensive
B
Brilliant Earth
21471937A · Oct 29
$1,680 CAD
$1,200 USD
View
9 more retailers have this diamond
Prices start from $325 CADSave up to $1,355 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
$325 CAD