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Marquise|Lab Grown|IGI

3.04ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG841676309

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841676309

Diamond specifications and retailer prices

From $756 USD
£595 GBP
As of October 27, 2026
2 retailers carry this diamond
Most expensive: $2,710 USD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 3.04ct lab-grown marquise diamond

This 3.04ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG841676309 or 841676309. Listed at 2 retailers as of October 27, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.04
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841676309
Dimensions14.98 × 7.44 × 4.77 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.98 mm7.44 mm3.04 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841676309
Side View
Table 57.0%Crown 36.6°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $2,710 USD|Low: $377 USD|High: $2,710 USD|Avg: $1,503 USD
Brilliant Earth
Retailer 2
Retailer 3
October 27, 2026
Retailer 3$377 USD
Retailer 2$756 USD
Brilliant Earth$2,710 USD

20 data points across 3 retailers

2 retailers

A
Cheapest Retailer
-
$756 USD
£595 GBP
Most Expensive
Brilliant Earth
21704337A · Oct 24
$2,710 USD
View
Price last confirmed 9 days ago
1 more retailer has this diamond
Prices start from $756 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
3.04ct Marquise
$756 USD