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Marquise|Lab Grown|IGI

4.15ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG801699529

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801699529

Diamond specifications and retailer prices

From €7,582 EUR
$8,471 USD
As of October 31, 2026
Save €24,136 EUR (76%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €31,718 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.15ct lab-grown marquise diamond

This 4.15ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801699529 or 801699529. Listed at 25 retailers as of October 31, 2026, with prices from €7,582 to €31,718, a €24,136 spread on the same certified stone. Taylor and Hart lists it at €31,718. 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

4.15
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801699529
Dimensions17.35 × 8.33 × 5.10 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.35 mm8.33 mm4.15 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801699529
Side View
Table 61.0%Crown 34.5°Girdle: THN-MEDPavilion 40.4°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 31
Current: €11,859 EUR|Low: €7,352 EUR|High: €51,567 EUR|Avg: €16,480 EUR|-0.8%
Retailer 1
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Retailer 24
Taylor and Hart
October 31, 2026
Retailer 22€7,582 EUR
Retailer 9€8,438 EUR
Retailer 14€9,142 EUR
Retailer 23€9,212 EUR
Retailer 11€9,430 EUR
Retailer 5€9,556 EUR
Retailer 15€10,021 EUR
Retailer 13€10,079 EUR
Retailer 3€10,196 EUR
Retailer 4€10,196 EUR
Retailer 8€10,778 EUR
Retailer 1€11,859 EUR
Retailer 19€12,085 EUR
Retailer 10€14,610 EUR
Retailer 12€16,192 EUR
Retailer 21€16,217 EUR
Retailer 20€16,467 EUR
Retailer 2€16,530 EUR
Retailer 24€17,667 EUR
Retailer 6€20,509 EUR
Retailer 18€21,703 EUR
Retailer 7€26,690 EUR
Retailer 16€28,405 EUR
Taylor and Hart€31,718 EUR
Retailer 17€51,567 EUR

37 data points across 25 retailers

25 retailers€7,582 EUR to €31,718 EUR

A
Cheapest Retailer
-
€7,582 EUR
$8,471 USD
Retailer 2
-
€8,438 EUR
$9,427 USD
View
Price last confirmed 29 days ago
Retailer 3
-
€9,142 EUR
$10,213 USD
View
Price last confirmed 33 days ago
A
Retailer 4
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€9,212 EUR
CA$14,294 CAD
View
A
Retailer 5
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€9,430 EUR
$10,535 USD
View
A
Retailer 6
-
€9,556 EUR
$10,676 USD
View
A
Retailer 7
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€10,021 EUR
$11,196 USD
View
A
Retailer 8
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€10,079 EUR
$11,260 USD
View
Retailer 9
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€10,196 EUR
$11,391 USD
View
Price last confirmed 15 days ago
A
Retailer 10
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€10,196 EUR
$11,391 USD
View
A
Retailer 11
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€10,778 EUR
$12,041 USD
View
B+
Retailer 12
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€11,859 EUR
$13,249 USD
View
Final sale: no returns
A
Retailer 13
-
€12,085 EUR
£10,631 GBP
View
B+
Retailer 14
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€14,610 EUR
£12,852 GBP
View
B+
Retailer 15
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€16,192 EUR
$18,090 USD
View
B+
Retailer 16
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€16,217 EUR
View
B+
Retailer 17
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€16,467 EUR
£14,486 GBP
View
B+
Retailer 18
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€16,530 EUR
$18,467 USD
View
B+
Retailer 19
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€17,667 EUR
$19,738 USD
View
B+
Retailer 20
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€20,509 EUR
$22,913 USD
View
B+
Retailer 21
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€21,703 EUR
ZAR 391,704 ZAR
View
Retailer 22
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€26,690 EUR
$29,819 USD
View
Price last confirmed 7 days ago
B
Retailer 23
-
€28,405 EUR
$31,735 USD
View
Most Expensive
B
Taylor and Hart
HD72UVC · Oct 31
€31,718 EUR
$35,436 USD
View
23 more retailers have this diamond
Prices start from €7,582 EURSave up to €24,136 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
4.15ct Marquise
€7,582 EUR