Marquise|Lab Grown|IGI

2.99ct F VS1 Marquise Lab Grown Diamond

VG • F/VS1 • IGI LG839603900

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839603900

Diamond specifications and retailer prices

From $531 USD
As of October 28, 2026
Save $4,429 USD (89%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,960 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.99ct lab-grown marquise diamond

This 2.99ct lab-grown marquise sits in the two to three carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG839603900 or 839603900. Listed at 4 retailers as of October 28, 2026, with prices from $531 to $4,960, a $4,429 spread on the same certified stone. Brilliant Earth lists it at $4,960. 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

2.99
Carat
F
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839603900
Dimensions15.23 × 7.38 × 4.63 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.23 mm7.38 mm2.99 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839603900
Side View
Table 60.0%Crown 35.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $4,960 USD|Low: $531 USD|High: $5,380 USD|Avg: $2,698 USD|-7.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 28, 2026
Retailer 3$531 USD
Retailer 2$1,010 USD
Retailer 4$2,555 USD
Brilliant Earth$4,960 USD

27 data points across 4 retailers

4 retailers$531 USD to $4,960 USD

A
Cheapest Retailer
-
$531 USD
Final sale: no returns
A
Retailer 2
-
$1,010 USD
£796 GBP
View
B
Retailer 3
-
$2,555 USD
View
Most Expensive
B
Brilliant Earth
21552915A · Oct 28
$4,960 USD
View
3 more retailers have this diamond
Prices start from $531 USDSave up to $4,429 USD

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
2.99ct Marquise
$531 USD