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Marquise|Lab Grown|IGI

4.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG829608667

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG829608667

Diamond specifications and retailer prices

From €3,405 EUR
£2,995 GBP
As of October 30, 2026
Save €11,039 EUR (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €14,443 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 LG829608667 or 829608667. Listed at 18 retailers as of October 30, 2026, with prices from €3,405 to €14,443, a €11,039 spread on the same certified stone. Taylor and Hart lists it at €14,443. 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
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829608667
Dimensions16.02 × 8.10 × 5.23 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.02 mm8.10 mm4.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG829608667
Side View
Table 59.0%Crown 36.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 64.6%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 30
Current: €5,346 EUR|Low: €3,373 EUR|High: €14,443 EUR|Avg: €7,172 EUR|-3.1%
Retailer 1
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
Taylor and Hart
October 31, 2026
Retailer 11€3,405 EUR
Retailer 5€3,513 EUR
Retailer 9€4,075 EUR
Retailer 7€4,126 EUR
Retailer 2€4,384 EUR
Retailer 1€5,346 EUR
Retailer 6€5,386 EUR
Retailer 3€5,405 EUR
Retailer 8€5,702 EUR
Retailer 15€5,908 EUR
Retailer 14€6,574 EUR
Retailer 12€8,673 EUR
Retailer 13€8,776 EUR
Retailer 16€8,871 EUR
Retailer 17€9,832 EUR
Retailer 10€10,589 EUR
Retailer 4€13,910 EUR
Taylor and Hart€14,443 EUR

29 data points across 18 retailers

18 retailers€3,405 EUR to €14,443 EUR

A+
Cheapest Retailer
-
€3,405 EUR
£2,995 GBP
A
Retailer 2
-
€3,513 EUR
$3,925 USD
View
A
Retailer 3
-
€4,075 EUR
$4,553 USD
View
A
Retailer 4
-
€4,126 EUR
$4,610 USD
View
A
Retailer 5
-
€4,384 EUR
$4,898 USD
View
Final sale: no returns
A
Retailer 6
-
€5,346 EUR
£4,703 GBP
View
A
Retailer 7
-
€5,386 EUR
$6,017 USD
View
A
Retailer 8
-
€5,405 EUR
$6,038 USD
View
A
Retailer 9
-
€5,702 EUR
£5,016 GBP
View
A
Retailer 10
-
€5,908 EUR
$6,600 USD
View
A
Retailer 11
-
€6,574 EUR
View
A
Retailer 12
-
€8,673 EUR
ZAR 156,534 ZAR
View
A
Retailer 13
-
€8,776 EUR
£7,720 GBP
View
Retailer 14
-
€8,871 EUR
A$15,247 AUD
View
Price last confirmed 9 days ago
A
Retailer 15
-
€9,832 EUR
$10,984 USD
View
A
Retailer 16
-
€10,589 EUR
$11,830 USD
View
B+
Retailer 17
-
€13,910 EUR
SGD 21,001 SGD
View
Most Expensive
B+
Taylor and Hart
K3UKP8L · Oct 31
€14,443 EUR
$16,136 USD
View
17 more retailers have this diamond
Prices start from €3,405 EURSave up to €11,039 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
€3,405 EUR