Marquise|Lab Grown|IGI

4.02ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG754510285

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754510285

Diamond specifications and retailer prices

From $792 CAD
$567 USD
As of November 1, 2026
Save $3,889 CAD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,681 CAD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.02ct lab-grown marquise diamond

This 4.02ct 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 LG754510285 or 754510285. Listed at 17 retailers as of November 1, 2026, with prices from $792 to $4,681, a $3,889 spread on the same certified stone. Brilliant Earth lists it at $4,681. 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

4.02
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754510285
Dimensions16.96 × 7.92 × 5.07 mm
L/W Ratio2.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.96 mm7.92 mm4.02 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754510285
Side View
Table 61.0%Crown 39.9°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $4,681 CAD|Low: $690 CAD|High: $8,356 CAD|Avg: $2,022 CAD|-44.0%
Brilliant Earth
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
November 2, 2026
Retailer 6$743 CAD
Retailer 14$792 CAD
Retailer 5$831 CAD
Retailer 8$921 CAD
Retailer 11$1,069 CAD
Retailer 15$1,181 CAD
Retailer 12$1,329 CAD
Retailer 9$1,452 CAD
Retailer 4$1,460 CAD
Retailer 13$1,610 CAD
Retailer 2$2,077 CAD
Retailer 7$2,423 CAD
Retailer 3$2,862 CAD
Retailer 16$2,897 CAD
Retailer 10$3,670 CAD
Brilliant Earth$4,681 CAD

40 data points across 16 retailers

17 retailers$792 CAD to $4,681 CAD

Retailer 1
-
$743 CAD
$532 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$792 CAD
$567 USD
View
Final sale: no returns
Retailer 3
-
$831 CAD
$595 USD
View
Price last confirmed 12 days ago
Retailer 4
-
$921 CAD
$659 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$921 CAD
$659 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$1,069 CAD
$765 USD
View
B+
Retailer 7
-
$1,181 CAD
$845 USD
View
A
Retailer 8
-
$1,329 CAD
$951 USD
View
A
Retailer 9
-
$1,452 CAD
£818 GBP
View
B+
Retailer 10
-
$1,460 CAD
€995 EUR
View
A
Retailer 11
-
$1,610 CAD
$1,152 USD
View
B+
Retailer 12
-
$2,077 CAD
$1,486 USD
View
Retailer 13
-
$2,423 CAD
$1,734 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$2,862 CAD
$2,048 USD
View
B
Retailer 15
-
$2,897 CAD
$2,073 USD
View
B
Retailer 16
-
$3,670 CAD
£2,068 GBP
View
Most Expensive
B
Brilliant Earth
18434020A · Nov 2
$4,681 CAD
$3,350 USD
View
16 more retailers have this diamond
Prices start from $792 CADSave up to $3,889 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
4.02ct Marquise
$792 CAD