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Marquise|Lab Grown|IGI

3.94ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG811691088

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811691088

Diamond specifications and retailer prices

From $3,990 USD
As of October 31, 2026
2 retailers carry this diamond
Most expensive: $3,990 USD at Brilliant Earth
View at Brilliant Earth

About this 3.94ct lab-grown marquise diamond

This 3.94ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811691088 or 811691088. Listed at 2 retailers as of October 31, 2026. 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

3.94
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811691088
Dimensions17.04 × 8.12 × 5.12 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.04 mm8.12 mm3.94 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811691088
Side View
Table 54.0%Crown 35.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $3,990 USD|Low: $780 USD|High: $6,820 USD|Avg: $2,496 USD|-41.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
August 28, 2026
Retailer 6$925 USD
Retailer 3$977 USD
Retailer 2$1,027 USD
Retailer 8$1,538 USD
Retailer 4$1,604 USD
Retailer 5$1,753 USD
Retailer 7$2,102 USD
Retailer 9$2,611 USD
Retailer 10$3,318 USD
Brilliant Earth$3,990 USD

27 data points across 10 retailers

2 retailers

Retailer 1
-
$3,318 USD
Price last confirmed 113 days ago
Most Expensive
B
Brilliant Earth
20313498A · Oct 31
$3,990 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.

B
3.94ct Marquise
$3,990 USD