Marquise|Lab Grown|IGI

1.05ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG836626536

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836626536

Diamond specifications and retailer prices

From $285 CAD
As of November 6, 2026
Save $411 CAD (59%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,183 CAD at MOH London · As of October 21, 2026
View at MOH London

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 top-tier cut grade and certified by IGI LG836626536 or 836626536. Listed at 14 retailers as of November 2, 2026, with a 144% 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

1.05
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836626536
Dimensions10.86 × 5.46 × 3.21 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.86 mm5.46 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG836626536
Side View
Table 67.0%Crown 32.7°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 58.8%

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 6
Current: $1,183 CAD|Low: $226 CAD|High: $1,204 CAD|Avg: $566 CAD|-0.7%
MOH London
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 12$226 CAD
Retailer 8$285 CAD
Retailer 5$302 CAD
Retailer 9$429 CAD
Retailer 6$432 CAD
Retailer 11$465 CAD
Retailer 4$489 CAD
Retailer 7$540 CAD
Retailer 2$652 CAD
Retailer 3$696 CAD
Retailer 10$782 CAD
MOH London$1,183 CAD

35 data points across 12 retailers

14 retailers$285 CAD to $696 CAD

Retailer 1
-
$203 CAD
Price last confirmed 20 days ago
Retailer 2
-
$236 CAD
View
Price last confirmed 22 days ago
Retailer 3
-
$251 CAD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$285 CAD
View
Retailer 5
-
$429 CAD
View
Price last confirmed 10 days ago
Retailer 6
-
$432 CAD
View
Price last confirmed 10 days ago
Retailer 7
-
$465 CAD
View
Price last confirmed 12 days ago
Retailer 8
-
$489 CAD
View
Price last confirmed 12 days ago
Retailer 9
-
$540 CAD
View
Price last confirmed 11 days ago
B
Retailer 10
-
$652 CAD
View
B+
Retailer 11
-
$696 CAD
View
Retailer 12
-
$782 CAD
View
Price last confirmed 9 days ago
Retailer 13
-
$809 CAD
View
Price last confirmed 21 days ago
Most Expensive
MOH London
LG836626536 · Oct 21
$1,183 CAD
£667 GBP
View
Price last confirmed 16 days ago
13 more retailers have this diamond
Prices start from $285 CADSave up to $411 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
$285 CAD