Marquise|Lab Grown|IGI

3.07ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG837684794

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837684794

Diamond specifications and retailer prices

From $784 USD
£617 GBP
As of November 2, 2026
2 retailers carry this diamond
Most expensive: $2,115 USD at Rare Carat · As of October 25, 2026
View at Rare Carat

About this 3.07ct lab-grown marquise diamond

This 3.07ct 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 LG837684794 or 837684794. Listed at 2 retailers as of November 2, 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

3.07
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837684794
Dimensions15.04 × 7.47 × 4.79 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
15.04 mm7.47 mm3.07 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837684794
Side View
Table 60.0%Crown 36.6°Girdle: MED-STKPavilion 40.4°CuletDepth 64.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $2,115 USD|Low: $777 USD|High: $2,115 USD|Avg: $1,082 USD
Rare Carat
Retailer 2
November 2, 2026
Retailer 2$784 USD
Rare Carat$2,115 USD

36 data points across 2 retailers

2 retailers

A
Cheapest Retailer
-
$784 USD
£617 GBP
Most Expensive
Rare Carat
837684794 · Oct 25
$2,115 USD
View
Price last confirmed 8 days ago
1 more retailer has this diamond
Prices start from $784 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
3.07ct Marquise
$784 USD