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Marquise|Lab Grown|IGI

4.27ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG826611285

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826611285

Diamond specifications and retailer prices

From €7,830 EUR
$8,748 USD
As of October 30, 2026
Save €20,923 EUR (73%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €28,754 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.27ct lab-grown marquise diamond

This 4.27ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG826611285 or 826611285. Listed at 24 retailers as of October 30, 2026, with prices from €7,830 to €28,754, a €20,923 spread on the same certified stone. Taylor and Hart lists it at €28,754. 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

4.27
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826611285
Dimensions16.17 × 8.59 × 5.26 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.17 mm8.59 mm4.27 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826611285
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.2%

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: €16,537 EUR|Low: €6,899 EUR|High: €45,757 EUR|Avg: €15,626 EUR
Retailer 1
Retailer 2
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Retailer 5
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Retailer 12
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Retailer 22
Taylor and Hart
November 1, 2026
Retailer 20€7,830 EUR
Retailer 18€8,165 EUR
Retailer 14€8,312 EUR
Retailer 8€8,379 EUR
Retailer 11€8,996 EUR
Retailer 5€9,009 EUR
Retailer 4€9,082 EUR
Retailer 22€9,082 EUR
Retailer 2€10,215 EUR
Retailer 21€10,377 EUR
Retailer 6€10,539 EUR
Retailer 16€10,934 EUR
Retailer 7€13,014 EUR
Retailer 3€14,294 EUR
Retailer 17€14,408 EUR
Retailer 1€16,537 EUR
Retailer 12€19,333 EUR
Retailer 19€20,558 EUR
Retailer 15€20,643 EUR
Retailer 9€23,712 EUR
Retailer 13€25,297 EUR
Taylor and Hart€28,754 EUR
Retailer 10€45,757 EUR

36 data points across 23 retailers

24 retailers€7,830 EUR to €28,754 EUR

A
Cheapest Retailer
-
€7,830 EUR
$8,748 USD
A
Retailer 2
-
€8,144 EUR
$9,098 USD
View
A
Retailer 3
-
€8,165 EUR
$9,122 USD
View
A
Retailer 4
-
€8,312 EUR
CA$12,897 CAD
View
A
Retailer 5
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€8,379 EUR
$9,361 USD
View
A
Retailer 6
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€8,996 EUR
$10,050 USD
View
A
Retailer 7
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€9,009 EUR
$10,065 USD
View
A
Retailer 8
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€9,082 EUR
$10,147 USD
View
Retailer 9
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€9,082 EUR
$10,147 USD
View
Price last confirmed 16 days ago
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Retailer 10
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€10,215 EUR
$11,412 USD
View
A
Retailer 11
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€10,377 EUR
$11,593 USD
View
A
Retailer 12
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€10,539 EUR
$11,774 USD
View
Final sale: no returns
A
Retailer 13
-
€10,934 EUR
£9,618 GBP
View
B+
Retailer 14
-
€13,014 EUR
£11,448 GBP
View
B+
Retailer 15
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€14,294 EUR
$15,969 USD
View
B+
Retailer 16
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€14,408 EUR
View
B+
Retailer 17
-
€16,537 EUR
£14,547 GBP
View
B+
Retailer 18
-
€19,333 EUR
ZAR 348,926 ZAR
View
B
Retailer 19
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€20,558 EUR
$22,968 USD
View
B
Retailer 20
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€20,643 EUR
$23,063 USD
View
Retailer 21
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€23,712 EUR
$26,491 USD
View
Price last confirmed 8 days ago
B
Retailer 22
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€25,297 EUR
$28,262 USD
View
Most Expensive
B
Taylor and Hart
NC40QQR · Oct 31
€28,754 EUR
$32,124 USD
View
22 more retailers have this diamond
Prices start from €7,830 EURSave up to €20,923 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
4.27ct Marquise
€7,830 EUR