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Marquise|Lab Grown|IGI

3.01ct F SI1 Marquise Lab Grown Diamond

VG • F/SI1 • IGI LG841619319

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841619319

Diamond specifications and retailer prices

From $364 USD
As of November 1, 2026
Save $2,326 USD (86%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,690 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.01ct lab-grown marquise diamond

This 3.01ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG841619319 or 841619319. Listed at 3 retailers as of November 1, 2026, with prices from $364 to $2,690, a $2,326 spread on the same certified stone. Brilliant Earth lists it at $2,690. 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

3.01
Carat
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841619319
Dimensions14.52 × 7.58 × 4.76 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.52 mm7.58 mm3.01 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841619319
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $2,690 USD|Low: $364 USD|High: $4,480 USD|Avg: $2,082 USD|-40.0%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$364 USD
Retailer 2$753 USD
Brilliant Earth$2,690 USD

30 data points across 3 retailers

3 retailers$364 USD to $2,690 USD

A
Cheapest Retailer
-
$364 USD
Final sale: no returns
A
Retailer 2
-
$753 USD
£593 GBP
View
Most Expensive
B
Brilliant Earth
21703280A · Nov 2
$2,690 USD
View
2 more retailers have this diamond
Prices start from $364 USDSave up to $2,326 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
3.01ct Marquise
$364 USD