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Oval|Lab Grown|IGI

4.03ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG831623665

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG831623665

Diamond specifications and retailer prices

From $891 CAD
$638 USD
As of October 29, 2026
Save $4,501 CAD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,392 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.03ct lab-grown oval diamond

This 4.03ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG831623665 or 831623665. Listed at 10 retailers as of October 29, 2026, with prices from $891 to $5,392, a $4,501 spread on the same certified stone. Brilliant Earth lists it at $5,392. 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

4.03
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831623665
Dimensions12.75 × 8.97 × 5.56 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.75 mm8.97 mm4.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831623665
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.0%

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: $5,392 CAD|Low: $891 CAD|High: $355,398 CAD|Avg: $9,860 CAD|+4.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10$891 CAD
Retailer 11$921 CAD
Retailer 6$1,069 CAD
Retailer 3$1,324 CAD
Retailer 8$1,415 CAD
Retailer 2$1,540 CAD
Retailer 7$2,447 CAD
Retailer 9$2,907 CAD
Retailer 4$3,160 CAD
Retailer 5$3,196 CAD
Brilliant Earth$5,392 CAD

25 data points across 11 retailers

10 retailers$891 CAD to $5,392 CAD

A
Cheapest Retailer
-
$891 CAD
$638 USD
Final sale: no returns
Retailer 2
-
$921 CAD
£519 GBP
View
Price last confirmed 13 days ago
A
Retailer 3
-
$1,069 CAD
$765 USD
View
B+
Retailer 4
-
$1,324 CAD
$948 USD
View
A
Retailer 5
-
$1,540 CAD
£868 GBP
View
B+
Retailer 6
-
$2,447 CAD
$1,752 USD
View
B
Retailer 7
-
$2,907 CAD
$2,081 USD
View
B
Retailer 8
-
$3,160 CAD
$2,262 USD
View
B
Retailer 9
-
$3,196 CAD
$2,288 USD
View
Most Expensive
B
Brilliant Earth
21799732A · Oct 29
$5,392 CAD
$3,860 USD
View
9 more retailers have this diamond
Prices start from $891 CADSave up to $4,501 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
4.03ct Oval
$891 CAD