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Marquise|Lab Grown|IGI

3.04ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG839686874

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839686874

Diamond specifications and retailer prices

From $377 USD
As of November 1, 2026
Save $2,333 USD (86%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,710 USD at Brilliant Earth · As of November 2, 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 LG839686874 or 839686874. Listed at 3 retailers as of November 1, 2026, with prices from $377 to $2,710, a $2,333 spread on the same certified stone. Brilliant Earth lists it at $2,710. 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 angle36.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839686874
Dimensions14.58 × 7.54 × 4.83 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.58 mm7.54 mm3.04 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839686874
Side View
Table 61.0%Crown 36.8°Girdle: MED-STKPavilion 40.7°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: Nov 1
Current: $2,710 USD|Low: $377 USD|High: $2,710 USD|Avg: $1,522 USD
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$377 USD
Retailer 2$776 USD
Brilliant Earth$2,710 USD

29 data points across 3 retailers

3 retailers$377 USD to $2,710 USD

A
Cheapest Retailer
-
$377 USD
Final sale: no returns
A
Retailer 2
-
$776 USD
£611 GBP
View
Most Expensive
B
Brilliant Earth
21601485A · Nov 2
$2,710 USD
View
2 more retailers have this diamond
Prices start from $377 USDSave up to $2,333 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
$377 USD