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Marquise|Lab Grown|IGI

4.05ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG650475156

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG650475156

Diamond specifications and retailer prices

From $715 CAD
$512 USD
As of October 30, 2026
Save $2,987 CAD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,702 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 4.05ct lab-grown marquise diamond

This 4.05ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG650475156 or 650475156. Listed at 14 retailers as of October 30, 2026, with prices from $715 to $3,702, a $2,987 spread on the same certified stone. MOH London lists it at $3,702. 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

4.05
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650475156
Dimensions16.73 × 8.25 × 5.23 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.73 mm8.25 mm4.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650475156
Side View
Table 59.0%Crown 36.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.4%

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 30
Current: $3,702 CAD|Low: $715 CAD|High: $7,155 CAD|Avg: $2,269 CAD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 12$715 CAD
Retailer 2$765 CAD
Retailer 5$802 CAD
Retailer 13$887 CAD
Retailer 16$983 CAD
Retailer 14$1,083 CAD
Retailer 15$1,351 CAD
Retailer 10$1,374 CAD
Retailer 4$1,377 CAD
Retailer 3$1,630 CAD
Retailer 7$1,880 CAD
Retailer 11$2,290 CAD
Retailer 17$2,333 CAD
Retailer 6$3,646 CAD
MOH London$3,702 CAD
Retailer 8$5,574 CAD
Retailer 9$7,155 CAD

5 data points across 17 retailers

14 retailers$715 CAD to $3,702 CAD

A
Cheapest Retailer
-
$715 CAD
$512 USD
A
Retailer 2
-
$765 CAD
£431 GBP
View
A
Retailer 3
-
$802 CAD
$574 USD
View
A
Retailer 4
-
$887 CAD
$635 USD
View
A
Retailer 5
-
$983 CAD
HK$5,500 HKD
View
A
Retailer 6
-
$1,083 CAD
$775 USD
View
A
Retailer 7
-
$1,351 CAD
$967 USD
View
A
Retailer 8
-
$1,374 CAD
£774 GBP
View
B+
Retailer 9
-
$1,377 CAD
$986 USD
View
B+
Retailer 10
-
$1,630 CAD
$1,167 USD
View
B+
Retailer 11
-
$2,290 CAD
$1,639 USD
View
B
Retailer 12
-
$2,333 CAD
$1,670 USD
View
B
Retailer 13
-
$3,646 CAD
$2,610 USD
View
Most Expensive
B
MOH London
LG650475156 · Nov 1
$3,702 CAD
£2,087 GBP
View
13 more retailers have this diamond
Prices start from $715 CADSave up to $2,987 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
4.05ct Marquise
$715 CAD