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Marquise|Lab Grown|IGI

4.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG839683323

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839683323

Diamond specifications and retailer prices

From $4,323 CAD
£2,437 GBP
As of October 30, 2026
Save $13,764 CAD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $18,087 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.03ct lab-grown marquise diamond

This 4.03ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839683323 or 839683323. Listed at 19 retailers as of October 30, 2026, with prices from $4,323 to $18,087, a $13,764 spread on the same certified stone. Taylor and Hart lists it at $18,087. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.03
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839683323
Dimensions15.79 × 8.23 × 5.23 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.79 mm8.23 mm4.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839683323
Side View
Table 63.0%Crown 37°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 63.5%

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: $5,392 CAD|Low: $4,323 CAD|High: $24,976 CAD|Avg: $9,874 CAD|-26.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 31, 2026
Retailer 10$4,323 CAD
Retailer 9$4,995 CAD
Retailer 1$5,392 CAD
Retailer 11$6,878 CAD
Retailer 4$7,008 CAD
Retailer 6$7,283 CAD
Retailer 7$8,048 CAD
Retailer 3$8,116 CAD
Retailer 5$8,941 CAD
Retailer 12$11,958 CAD
Retailer 2$12,101 CAD
Retailer 8$12,920 CAD
Taylor and Hart$18,087 CAD

28 data points across 13 retailers

19 retailers$4,323 CAD to $18,087 CAD

A
Cheapest Retailer
-
$4,323 CAD
£2,437 GBP
A
Retailer 2
-
$4,995 CAD
$3,576 USD
View
Final sale: no returns
A
Retailer 3
-
$5,392 CAD
$3,860 USD
View
Retailer 4
-
$6,029 CAD
$4,316 USD
View
Price last confirmed 25 days ago
Retailer 5
-
$6,280 CAD
$4,496 USD
View
Price last confirmed 31 days ago
Retailer 6
-
$6,582 CAD
$4,712 USD
View
Price last confirmed 32 days ago
A
Retailer 7
-
$6,878 CAD
£3,877 GBP
View
Retailer 8
-
$7,008 CAD
$5,017 USD
View
Price last confirmed 18 days ago
Retailer 9
-
$7,186 CAD
$5,144 USD
View
Price last confirmed 32 days ago
A
Retailer 10
-
$7,283 CAD
$5,214 USD
View
Retailer 11
-
$7,286 CAD
$5,216 USD
View
Price last confirmed 27 days ago
A
Retailer 12
-
$8,048 CAD
$5,761 USD
View
A
Retailer 13
-
$8,116 CAD
$5,810 USD
View
A
Retailer 14
-
$8,941 CAD
£5,040 GBP
View
Retailer 15
-
$9,105 CAD
$6,518 USD
View
Price last confirmed 30 days ago
A
Retailer 16
-
$11,958 CAD
ZAR 138,297 ZAR
View
A
Retailer 17
-
$12,101 CAD
£6,821 GBP
View
A
Retailer 18
-
$12,920 CAD
$9,249 USD
View
Most Expensive
B+
Taylor and Hart
QHVPPCE · Oct 30
$18,087 CAD
$12,948 USD
View
18 more retailers have this diamond
Prices start from $4,323 CADSave up to $13,764 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
4.03ct Marquise
$4,323 CAD