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Marquise|Lab Grown|IGI

4.02ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG754507865

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754507865

Diamond specifications and retailer prices

From €7,129 EUR
$7,965 USD
As of October 28, 2026
Save €5,966 EUR (46%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: €34,098 EUR at Taylor and Hart · As of October 20, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754507865 or 754507865. Listed at 31 retailers as of October 28, 2026, with a 84% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507865
Dimensions16.37 × 8.43 × 5.16 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
16.37 mm8.43 mm4.02 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507865
Side View
Table 60.0%Crown 33.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.2%

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 28
Current: €13,095 EUR|Low: €6,383 EUR|High: €55,639 EUR|Avg: €18,842 EUR|-2.1%
Retailer 1
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Retailer 23
Taylor and Hart
October 30, 2026
Retailer 20€7,170 EUR
Retailer 16€7,880 EUR
Retailer 8€8,916 EUR
Retailer 10€8,980 EUR
Retailer 22€9,558 EUR
Retailer 3€10,222 EUR
Retailer 2€11,041 EUR
Retailer 23€11,322 EUR
Retailer 11€12,234 EUR
Retailer 1€13,095 EUR
Retailer 17€14,015 EUR
Retailer 13€16,356 EUR
Retailer 21€18,029 EUR
Retailer 7€18,348 EUR
Retailer 6€18,918 EUR
Retailer 19€19,201 EUR
Retailer 15€19,443 EUR
Retailer 18€24,034 EUR
Retailer 12€24,967 EUR
Retailer 4€28,463 EUR
Retailer 14€31,665 EUR
Taylor and Hart€34,098 EUR
Retailer 9€42,691 EUR
Retailer 5€55,639 EUR

31 data points across 24 retailers

31 retailers€7,129 EUR to €13,095 EUR

A
Cheapest Retailer
-
€7,129 EUR
$7,965 USD
Retailer 2
-
€7,170 EUR
$8,010 USD
View
Price last confirmed 10 days ago
Retailer 3
-
€7,880 EUR
$8,804 USD
View
Price last confirmed 7 days ago
Retailer 4
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€8,916 EUR
$9,961 USD
View
Price last confirmed 10 days ago
Retailer 5
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€8,916 EUR
$9,961 USD
View
Price last confirmed 23 days ago
Retailer 6
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€8,916 EUR
$9,961 USD
View
Price last confirmed 31 days ago
Retailer 7
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€8,980 EUR
$10,033 USD
View
Price last confirmed 10 days ago
Retailer 8
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€9,273 EUR
$10,360 USD
View
Price last confirmed 32 days ago
Retailer 9
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€9,558 EUR
£8,408 GBP
View
Price last confirmed 14 days ago
Retailer 10
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€10,200 EUR
$11,396 USD
View
Price last confirmed 32 days ago
Retailer 11
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€10,222 EUR
$11,420 USD
View
Price last confirmed 8 days ago
Retailer 12
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€10,343 EUR
$11,555 USD
View
Price last confirmed 28 days ago
Retailer 13
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€10,343 EUR
$11,555 USD
View
Price last confirmed 21 days ago
Retailer 14
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€10,699 EUR
$11,953 USD
View
Price last confirmed 9 days ago
Retailer 15
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€10,699 EUR
$11,953 USD
View
Price last confirmed 21 days ago
Retailer 16
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€10,699 EUR
$11,953 USD
View
Price last confirmed 31 days ago
Retailer 17
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€11,041 EUR
$12,335 USD
View
Price last confirmed 10 days ago
Retailer 18
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€11,322 EUR
$12,649 USD
View
Price last confirmed 9 days ago
B+
Retailer 19
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€13,095 EUR
$14,630 USD
View
Retailer 20
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€14,015 EUR
£12,329 GBP
View
Price last confirmed 10 days ago
Retailer 21
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€16,356 EUR
£14,388 GBP
View
Price last confirmed 9 days ago
Retailer 22
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€18,029 EUR
£15,860 GBP
View
Price last confirmed 10 days ago
Retailer 23
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€18,348 EUR
A$31,537 AUD
View
Price last confirmed 23 days ago
Retailer 24
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€18,918 EUR
$21,135 USD
View
Price last confirmed 9 days ago
Retailer 25
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€24,034 EUR
ZAR 433,777 ZAR
View
Price last confirmed 11 days ago
Retailer 26
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€24,967 EUR
A$42,912 AUD
View
Price last confirmed 9 days ago
Retailer 27
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€28,463 EUR
$31,799 USD
View
Price last confirmed 10 days ago
Retailer 28
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€31,665 EUR
$35,376 USD
View
Price last confirmed 9 days ago
Most Expensive
Taylor and Hart
CAYX2TK · Oct 20
€34,098 EUR
$38,094 USD
View
Price last confirmed 11 days ago
28 more retailers have this diamond
Prices start from €7,129 EURSave up to €5,966 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
€7,129 EUR