Marquise|Lab Grown|IGI

1.01ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG830660463

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830660463

Diamond specifications and retailer prices

From $239 CAD
As of November 5, 2026
Save $1,000 CAD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,425 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG830660463 or 830660463. Listed at 18 retailers as of November 2, 2026, with a 419% 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

1.01
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle29.9°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830660463
Dimensions10.12 × 5.22 × 3.31 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.12 mm5.22 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG830660463
Side View
Table 52.0%Crown 29.9°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 63.4%

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: Nov 5
Current: $1,425 CAD|Low: $239 CAD|High: $1,425 CAD|Avg: $704 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$239 CAD
Retailer 2$314 CAD
Retailer 6$360 CAD
Retailer 10$450 CAD
Retailer 4$457 CAD
Retailer 8$479 CAD
Retailer 7$503 CAD
Retailer 9$901 CAD
Retailer 3$929 CAD
Retailer 5$1,239 CAD
Brilliant Earth$1,425 CAD

40 data points across 11 retailers

18 retailers$239 CAD to $1,239 CAD

Retailer 1
-
$218 CAD
Price last confirmed 29 days ago
A
Retailer 2
-
$239 CAD
View
Final sale: no returns
Retailer 3
-
$253 CAD
View
Price last confirmed 38 days ago
Retailer 4
-
$271 CAD
View
Price last confirmed 25 days ago
Retailer 5
-
$271 CAD
View
Price last confirmed 34 days ago
A
Retailer 6
-
$314 CAD
View
B+
Retailer 7
-
$360 CAD
View
A
Retailer 8
-
$450 CAD
View
A
Retailer 9
-
$457 CAD
View
Retailer 10
-
$462 CAD
View
Price last confirmed 24 days ago
Retailer 11
-
$479 CAD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$503 CAD
View
Retailer 13
-
$730 CAD
View
Price last confirmed 61 days ago
Retailer 14
-
$869 CAD
View
Price last confirmed 37 days ago
B
Retailer 15
-
$901 CAD
View
B
Retailer 16
-
$929 CAD
View
B
Retailer 17
-
$1,239 CAD
View
Most Expensive
Brilliant Earth
21109744A · Oct 28
$1,425 CAD
$1,020 USD
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from $239 CADSave up to $1,000 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
1.01ct Marquise
$239 CAD