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Marquise|Lab Grown|IGI

4.02ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG839622928

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839622928

Diamond specifications and retailer prices

From €3,654 EUR
£3,214 GBP
As of October 30, 2026
Save €16,090 EUR (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €19,744 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.02ct lab-grown marquise diamond

This 4.02ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839622928 or 839622928. Listed at 19 retailers as of October 30, 2026, with prices from €3,654 to €19,744, a €16,090 spread on the same certified stone. Taylor and Hart lists it at €19,744. 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

4.02
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839622928
Dimensions16.18 × 8.33 × 4.94 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.18 mm8.33 mm4.02 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839622928
Side View
Table 61.0%Crown 34.5°Girdle: THK-VTKPavilion 36.9°Culet: NoneDepth 59.3%

Caratlytics Score

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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: €7,871 EUR|Low: €3,654 EUR|High: €21,606 EUR|Avg: €9,396 EUR|-10.5%
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
November 1, 2026
Retailer 11€3,654 EUR
Retailer 10€4,222 EUR
Retailer 9€5,107 EUR
Retailer 7€5,111 EUR
Retailer 6€5,659 EUR
Retailer 8€5,691 EUR
Retailer 4€6,184 EUR
Retailer 1€7,871 EUR
Retailer 3€9,031 EUR
Retailer 5€10,466 EUR
Retailer 2€11,889 EUR
Retailer 12€12,369 EUR
Taylor and Hart€19,744 EUR

35 data points across 13 retailers

19 retailers€3,654 EUR to €19,744 EUR

A
Cheapest Retailer
-
€3,654 EUR
£3,214 GBP
A
Retailer 2
-
€4,222 EUR
$4,717 USD
View
Final sale: no returns
A
Retailer 3
-
€5,107 EUR
$5,706 USD
View
A
Retailer 4
-
€5,111 EUR
$5,710 USD
View
Retailer 5
-
€5,118 EUR
$5,718 USD
View
Price last confirmed 27 days ago
Retailer 6
-
€5,331 EUR
$5,956 USD
View
Price last confirmed 32 days ago
Retailer 7
-
€5,587 EUR
$6,242 USD
View
Price last confirmed 33 days ago
A
Retailer 8
-
€5,659 EUR
£4,979 GBP
View
A
Retailer 9
-
€5,691 EUR
$6,358 USD
View
Retailer 10
-
€6,099 EUR
$6,814 USD
View
Price last confirmed 33 days ago
Retailer 11
-
€6,184 EUR
$6,909 USD
View
Price last confirmed 19 days ago
Retailer 12
-
€6,184 EUR
$6,909 USD
View
Price last confirmed 29 days ago
Retailer 13
-
€7,342 EUR
$8,202 USD
View
Price last confirmed 31 days ago
A
Retailer 14
-
€7,871 EUR
£6,924 GBP
View
A
Retailer 15
-
€9,031 EUR
$10,090 USD
View
A
Retailer 16
-
€10,466 EUR
$11,693 USD
View
B+
Retailer 17
-
€11,889 EUR
£10,459 GBP
View
B+
Retailer 18
-
€12,369 EUR
ZAR 223,248 ZAR
View
Most Expensive
B
Taylor and Hart
BUYZF8Z · Oct 31
€19,744 EUR
$22,058 USD
View
18 more retailers have this diamond
Prices start from €3,654 EURSave up to €16,090 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
4.02ct Marquise
€3,654 EUR