Marquise|Lab Grown|IGI

4.26ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG793637246

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG793637246

Diamond specifications and retailer prices

From €7,671 EUR
$8,570 USD
As of October 31, 2026
Save €24,526 EUR (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €32,197 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.26ct lab-grown marquise diamond

This 4.26ct 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 LG793637246 or 793637246. Listed at 20 retailers as of October 31, 2026, with prices from €7,671 to €32,197, a €24,526 spread on the same certified stone. Taylor and Hart lists it at €32,197. 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

4.26
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793637246
Dimensions16.51 × 8.48 × 5.30 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.51 mm8.48 mm4.26 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793637246
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.5%

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 31
Current: €16,712 EUR|Low: €6,883 EUR|High: €48,245 EUR|Avg: €16,990 EUR|+1.3%
Retailer 1
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Retailer 23
Taylor and Hart
November 1, 2026
Retailer 8€7,671 EUR
Retailer 3€7,816 EUR
Retailer 20€8,292 EUR
Retailer 19€9,371 EUR
Retailer 18€9,372 EUR
Retailer 2€9,819 EUR
Retailer 17€9,988 EUR
Retailer 12€10,354 EUR
Retailer 22€12,334 EUR
Retailer 23€14,261 EUR
Retailer 13€14,320 EUR
Retailer 16€14,364 EUR
Retailer 9€14,910 EUR
Retailer 4€15,154 EUR
Retailer 1€16,712 EUR
Retailer 10€16,854 EUR
Retailer 5€20,595 EUR
Retailer 21€22,143 EUR
Retailer 15€23,656 EUR
Retailer 7€25,936 EUR
Retailer 11€26,258 EUR
Taylor and Hart€32,197 EUR
Retailer 14€46,581 EUR
Retailer 6€48,245 EUR

21 data points across 24 retailers

20 retailers€7,671 EUR to €32,197 EUR

A
Cheapest Retailer
-
€7,671 EUR
$8,570 USD
A
Retailer 2
-
€7,816 EUR
$8,732 USD
View
A
Retailer 3
-
€8,292 EUR
CA$12,866 CAD
View
A
Retailer 4
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€8,837 EUR
$9,873 USD
View
A
Retailer 5
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€9,371 EUR
$10,469 USD
View
A
Retailer 6
-
€9,372 EUR
$10,470 USD
View
A
Retailer 7
-
€9,988 EUR
$11,159 USD
View
Final sale: no returns
A
Retailer 8
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€10,354 EUR
$11,567 USD
View
B+
Retailer 9
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€12,334 EUR
£10,850 GBP
View
B+
Retailer 10
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€14,261 EUR
$15,932 USD
View
B+
Retailer 11
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€14,910 EUR
£13,116 GBP
View
B+
Retailer 12
-
€15,154 EUR
$16,930 USD
View
B+
Retailer 13
-
€16,712 EUR
£14,701 GBP
View
B+
Retailer 14
-
€16,854 EUR
$18,829 USD
View
B
Retailer 15
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€20,595 EUR
$23,009 USD
View
B
Retailer 16
-
€22,143 EUR
ZAR 399,648 ZAR
View
B
Retailer 17
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€25,936 EUR
$28,976 USD
View
B
Retailer 18
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€26,258 EUR
$29,336 USD
View
Most Expensive
B
Taylor and Hart
VU6VJ2G · Oct 31
€32,197 EUR
$35,971 USD
View
18 more retailers have this diamond
Prices start from €7,671 EURSave up to €24,526 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
4.26ct Marquise
€7,671 EUR