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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 €4,605 EUR
£4,067 GBP
As of November 2, 2026
Save €15,061 EUR (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €19,666 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 20 retailers as of October 31, 2026, with prices from €4,605 to €19,666, a €15,061 spread on the same certified stone. Taylor and Hart lists it at €19,666. 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
Colour
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

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: Nov 2
Current: €8,540 EUR|Low: €3,639 EUR|High: €21,522 EUR|Avg: €9,346 EUR|+12.2%
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
Taylor and Hart
November 2, 2026
Retailer 6€4,605 EUR
Retailer 2€5,091 EUR
Retailer 9€5,339 EUR
Retailer 7€5,440 EUR
Retailer 3€5,669 EUR
Retailer 5€6,160 EUR
Retailer 8€7,089 EUR
Retailer 12€7,840 EUR
Retailer 1€8,540 EUR
Retailer 13€10,425 EUR
Retailer 10€11,252 EUR
Retailer 11€12,173 EUR
Retailer 4€12,321 EUR
Taylor and Hart€19,666 EUR

35 data points across 14 retailers

20 retailers€4,605 EUR to €19,666 EUR

A
Cheapest Retailer
-
€4,605 EUR
£4,067 GBP
A
Retailer 2
-
€5,091 EUR
$5,710 USD
View
Retailer 3
-
€5,098 EUR
$5,718 USD
View
Price last confirmed 28 days ago
Retailer 4
-
€5,310 EUR
$5,956 USD
View
Price last confirmed 33 days ago
A
Retailer 5
-
€5,339 EUR
$5,988 USD
View
Final sale: no returns
A
Retailer 6
-
€5,440 EUR
$6,102 USD
View
Retailer 7
-
€5,565 EUR
$6,242 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
€5,669 EUR
$6,358 USD
View
Retailer 9
-
€6,075 EUR
$6,814 USD
View
Price last confirmed 34 days ago
Retailer 10
-
€6,160 EUR
$6,909 USD
View
Price last confirmed 20 days ago
Retailer 11
-
€6,160 EUR
$6,909 USD
View
Price last confirmed 30 days ago
A
Retailer 12
-
€7,089 EUR
£6,261 GBP
View
Retailer 13
-
€7,313 EUR
$8,202 USD
View
Price last confirmed 32 days ago
A
Retailer 14
-
€7,840 EUR
£6,924 GBP
View
A
Retailer 15
-
€8,540 EUR
$9,579 USD
View
A
Retailer 16
-
€10,425 EUR
$11,693 USD
View
A
Retailer 17
-
€11,252 EUR
£9,937 GBP
View
B+
Retailer 18
-
€12,173 EUR
A$21,005 AUD
View
B+
Retailer 19
-
€12,321 EUR
ZAR 223,248 ZAR
View
Most Expensive
B
Taylor and Hart
BUYZF8Z · Oct 31
€19,666 EUR
$22,058 USD
View
19 more retailers have this diamond
Prices start from €4,605 EURSave up to €15,061 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
€4,605 EUR