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Marquise|Lab Grown|IGI

1.05ct D SI1 Marquise Lab Grown Diamond

VG • D/SI1 • IGI LG844636747

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844636747

Diamond specifications and retailer prices

From $303 CAD
As of November 1, 2026
Save $675 CAD (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $978 CAD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG844636747 or 844636747. Listed at 10 retailers as of November 1, 2026, with prices from $303 to $978, a $675 spread on the same certified stone. Brilliant Earth lists it at $978. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.05
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844636747
Dimensions10.32 × 5.41 × 3.28 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.32 mm5.41 mm1.05 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG844636747
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.6%

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 1
Current: $978 CAD|Low: $236 CAD|High: $1,466 CAD|Avg: $569 CAD|-33.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 3$236 CAD
Retailer 11$303 CAD
Retailer 6$314 CAD
Retailer 9$447 CAD
Retailer 7$454 CAD
Retailer 10$480 CAD
Retailer 12$492 CAD
Retailer 8$563 CAD
Retailer 2$684 CAD
Retailer 4$723 CAD
Retailer 5$782 CAD
Brilliant Earth$978 CAD

10 data points across 12 retailers

10 retailers$303 CAD to $978 CAD

A
Cheapest Retailer
-
$303 CAD
Retailer 2
-
$447 CAD
View
Price last confirmed 12 days ago
Retailer 3
-
$454 CAD
View
Price last confirmed 10 days ago
Retailer 4
-
$480 CAD
View
Price last confirmed 12 days ago
Retailer 5
-
$492 CAD
View
Price last confirmed 12 days ago
Retailer 6
-
$563 CAD
View
Price last confirmed 11 days ago
B
Retailer 7
-
$684 CAD
View
B
Retailer 8
-
$723 CAD
View
Retailer 9
-
$782 CAD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
22235177A · Nov 3
$978 CAD
$700 USD
View
9 more retailers have this diamond
Prices start from $303 CADSave up to $675 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
1.05ct Marquise
$303 CAD