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Marquise|Lab Grown|IGI

1.40ct F VVS2 Marquise Lab Grown Diamond

F/VVS2 • IGI LG778646312

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG778646312

Diamond specifications and retailer prices

From €1,047 EUR
$1,170 USD
As of October 31, 2026
2 retailers carry this diamond
Most expensive: €1,047 EUR at Brilliant Earth
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 VVS2 clarity (very-very-slightly-included) and certified by IGI LG778646312 or 778646312. Listed at 2 retailers as of October 31, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.40
Carat
F
Color
VVS2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778646312
Dimensions11.91 × 5.93 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.91 mm5.93 mm1.40 ctF / VVS2
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778646312
Side View
Table 60.0%Crown 32.6°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 59.0%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 31
Current: €1,047 EUR|Low: €131 EUR|High: €96,344 EUR|Avg: €990 EUR|-30.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
June 19, 2026
Retailer 2€525 EUR
Retailer 4€608 EUR
Retailer 9€641 EUR
Retailer 5€695 EUR
Retailer 8€738 EUR
Retailer 3€838 EUR
Retailer 6€880 EUR
Retailer 7€931 EUR
Brilliant Earth€1,047 EUR
Retailer 10€1,105 EUR

64 data points across 10 retailers

2 retailers

Retailer 1
-
€838 EUR
A$1,441 AUD
Price last confirmed 139 days ago
Most Expensive
C
Brilliant Earth
18447750A · Oct 31
€1,047 EUR
$1,170 USD
View
1 more retailer has this diamond

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.

C
1.40ct Marquise
€1,047 EUR