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Marquise|Lab Grown|IGI

4.03ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG768611302

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768611302

Diamond specifications and retailer prices

From €4,943 EUR
£4,348 GBP
As of October 30, 2026
Save €15,875 EUR (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €20,818 EUR 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 LG768611302 or 768611302. Listed at 20 retailers as of October 30, 2026, with prices from €4,943 to €20,818, a €15,875 spread on the same certified stone. Taylor and Hart lists it at €20,818. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768611302
Dimensions16.29 × 8.42 × 5.20 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.29 mm8.42 mm4.03 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768611302
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.8%

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: Oct 30
Current: €4,943 EUR|Low: €4,896 EUR|High: €16,457 EUR|Avg: €8,278 EUR|-0.6%
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
Retailer 18
October 30, 2026
Retailer 1€4,943 EUR
Retailer 17€5,100 EUR
Retailer 7€5,345 EUR
Retailer 9€5,396 EUR
Retailer 6€5,712 EUR
Retailer 5€5,917 EUR
Retailer 8€5,917 EUR
Retailer 18€5,917 EUR
Retailer 15€7,023 EUR
Retailer 16€7,158 EUR
Retailer 12€7,578 EUR
Retailer 10€8,417 EUR
Retailer 2€9,133 EUR
Retailer 13€12,103 EUR
Retailer 11€12,592 EUR
Retailer 14€13,076 EUR
Retailer 4€15,027 EUR
Retailer 3€16,457 EUR

41 data points across 18 retailers

20 retailers€4,943 EUR to €20,818 EUR

A
Cheapest Retailer
-
€4,943 EUR
£4,348 GBP
A
Retailer 2
-
€5,100 EUR
$5,698 USD
View
A
Retailer 3
-
€5,345 EUR
$5,972 USD
View
A
Retailer 4
-
€5,396 EUR
$6,028 USD
View
A
Retailer 5
-
€5,712 EUR
$6,381 USD
View
Final sale: no returns
A
Retailer 6
-
€5,917 EUR
$6,610 USD
View
Retailer 7
-
€5,917 EUR
$6,610 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
€5,917 EUR
$6,610 USD
View
A
Retailer 9
-
€5,943 EUR
$6,640 USD
View
A
Retailer 10
-
€7,023 EUR
$7,846 USD
View
A
Retailer 11
-
€7,158 EUR
$7,997 USD
View
A
Retailer 12
-
€7,578 EUR
£6,667 GBP
View
A
Retailer 13
-
€8,417 EUR
£7,404 GBP
View
A
Retailer 14
-
€9,133 EUR
$10,204 USD
View
B+
Retailer 15
-
€12,103 EUR
£10,647 GBP
View
B+
Retailer 16
-
€12,592 EUR
ZAR 227,270 ZAR
View
Retailer 17
-
€13,076 EUR
A$22,474 AUD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
€15,027 EUR
$16,788 USD
View
B+
Retailer 19
-
€16,457 EUR
$18,386 USD
View
Most Expensive
B
Taylor and Hart
03QG3NW · Oct 30
€20,818 EUR
$23,257 USD
View
19 more retailers have this diamond
Prices start from €4,943 EURSave up to €15,875 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
€4,943 EUR