Marquise|Lab Grown|IGI

1.40ct F FL Marquise Lab Grown Diamond

EX • F/FL • IGI LG813601658

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG813601658

Diamond specifications and retailer prices

From €634 EUR
$708 USD
As of November 1, 2026
Save €1,212 EUR (66%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €2,623 EUR at Brilliant Earth · As of October 3, 2026
View at Brilliant Earth

About this 1.4ct lab-grown marquise diamond

This 1.4ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG813601658 or 813601658. Listed at 10 retailers as of October 30, 2026, with a 191% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
F
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813601658
Dimensions12.01 × 5.76 × 3.47 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.01 mm5.76 mm1.40 ctF / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813601658
Side View
Table 62.0%Crown 34.3°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 60.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €1,790 EUR|Low: €360 EUR|High: €2,632 EUR|Avg: €1,067 EUR|-32.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 19€400 EUR
Retailer 3€533 EUR
Retailer 9€597 EUR
Retailer 17€614 EUR
Retailer 12€634 EUR
Retailer 2€662 EUR
Retailer 18€682 EUR
Retailer 5€711 EUR
Retailer 4€729 EUR
Retailer 15€866 EUR
Retailer 8€972 EUR
Retailer 13€1,306 EUR
Retailer 10€1,320 EUR
Retailer 7€1,423 EUR
Retailer 11€1,525 EUR
Retailer 6€1,579 EUR
Brilliant Earth€1,790 EUR
Retailer 14€1,812 EUR
Retailer 16€1,846 EUR

21 data points across 19 retailers

10 retailers€634 EUR to €1,846 EUR

A
Cheapest Retailer
-
€634 EUR
$708 USD
A
Retailer 2
-
€662 EUR
A$1,138 AUD
View
Retailer 3
-
€682 EUR
ZAR 12,308 ZAR
View
Price last confirmed 31 days ago
Retailer 4
-
€729 EUR
$814 USD
View
Price last confirmed 30 days ago
Retailer 5
-
€866 EUR
$967 USD
View
Price last confirmed 9 days ago
B
Retailer 6
-
€1,306 EUR
CA$2,027 CAD
View
B
Retailer 7
-
€1,790 EUR
$2,000 USD
View
B
Retailer 8
-
€1,812 EUR
$2,024 USD
View
B
Retailer 9
-
€1,846 EUR
$2,062 USD
View
Most Expensive
Brilliant Earth
20553964A · Oct 3
€2,623 EUR
$2,930 USD
View
Price last confirmed 29 days ago
9 more retailers have this diamond
Prices start from €634 EURSave up to €1,212 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
1.40ct Marquise
€634 EUR