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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 €2,770 EUR
£2,437 GBP
As of October 30, 2026
Save €8,819 EUR (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €11,589 EUR at Taylor and Hart · As of October 31, 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 €2,770 to €11,589, a €8,819 spread on the same certified stone. Taylor and Hart lists it at €11,589. 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: €4,407 EUR|Low: €2,770 EUR|High: €16,004 EUR|Avg: €6,258 EUR|-28.7%
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 11€2,770 EUR
Retailer 10€3,201 EUR
Retailer 5€3,455 EUR
Retailer 1€4,407 EUR
Retailer 4€4,491 EUR
Retailer 7€4,667 EUR
Retailer 8€5,157 EUR
Retailer 3€5,200 EUR
Retailer 6€5,729 EUR
Retailer 12€7,662 EUR
Retailer 2€7,754 EUR
Retailer 9€8,279 EUR
Taylor and Hart€11,589 EUR

28 data points across 13 retailers

19 retailers€2,770 EUR to €11,589 EUR

A
Cheapest Retailer
-
€2,770 EUR
£2,437 GBP
A
Retailer 2
-
€3,201 EUR
$3,576 USD
View
Final sale: no returns
A
Retailer 3
-
€3,455 EUR
$3,860 USD
View
Retailer 4
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€3,863 EUR
$4,316 USD
View
Price last confirmed 26 days ago
Retailer 5
-
€4,024 EUR
$4,496 USD
View
Price last confirmed 31 days ago
Retailer 6
-
€4,218 EUR
$4,712 USD
View
Price last confirmed 32 days ago
A
Retailer 7
-
€4,407 EUR
£3,877 GBP
View
Retailer 8
-
€4,491 EUR
$5,017 USD
View
Price last confirmed 19 days ago
Retailer 9
-
€4,604 EUR
$5,144 USD
View
Price last confirmed 33 days ago
A
Retailer 10
-
€4,667 EUR
$5,214 USD
View
Retailer 11
-
€4,669 EUR
$5,216 USD
View
Price last confirmed 28 days ago
A
Retailer 12
-
€5,157 EUR
$5,761 USD
View
A
Retailer 13
-
€5,200 EUR
$5,810 USD
View
A
Retailer 14
-
€5,729 EUR
£5,040 GBP
View
Retailer 15
-
€5,834 EUR
$6,518 USD
View
Price last confirmed 31 days ago
A
Retailer 16
-
€7,662 EUR
ZAR 138,297 ZAR
View
A
Retailer 17
-
€7,754 EUR
£6,821 GBP
View
A
Retailer 18
-
€8,279 EUR
$9,249 USD
View
Most Expensive
B+
Taylor and Hart
QHVPPCE · Oct 31
€11,589 EUR
$12,948 USD
View
18 more retailers have this diamond
Prices start from €2,770 EURSave up to €8,819 EUR

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
€2,770 EUR