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Marquise|Lab Grown|IGI

3.00ct F SI1 Marquise Lab Grown Diamond

VG • F/SI1 • IGI LG844653731

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844653731

Diamond specifications and retailer prices

From $994 USD
As of October 28, 2026
2 retailers carry this diamond
Most expensive: $994 USD at Adiamor
View at Adiamor

About this 3ct lab-grown marquise diamond

This 3ct 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 LG844653731 or 844653731. Listed at 2 retailers as of October 28, 2026. 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

3.00
Carat
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844653731
Dimensions14.75 × 7.33 × 4.70 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
14.75 mm7.33 mm3.00 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844653731
Side View
Table 63.0%Crown 36.4°Girdle: STK-VTKPavilion 40.8°Culet: NoneDepth 64.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: $994 USD|Low: $807 USD|High: $994 USD|Avg: $869 USD
Adiamor
Retailer 2
October 28, 2026
Retailer 2$807 USD
Adiamor$994 USD

2 data points across 2 retailers

2 retailers

B+
Retailer 1
-
$807 USD
£635 GBP
Price last confirmed 7 days ago
Most Expensive
B+
Adiamor
D-82820793 · Oct 28
$994 USD
View
1 more retailer has this diamond

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.

B+
3.00ct Marquise
$994 USD