Marquise|Lab Grown|IGI

2.98ct E SI1 Marquise Lab Grown Diamond

VG • E/SI1 • IGI LG841655016

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841655016

Diamond specifications and retailer prices

From $384 USD
As of October 28, 2026
Save $4,116 USD (91%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,500 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.98ct lab-grown marquise diamond

This 2.98ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG841655016 or 841655016. Listed at 3 retailers as of October 28, 2026, with prices from $384 to $4,500, a $4,116 spread on the same certified stone. Brilliant Earth lists it at $4,500. 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

2.98
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841655016
Dimensions14.39 × 7.68 × 4.76 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.39 mm7.68 mm2.98 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841655016
Side View
Table 61.0%Crown 34.8°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $4,500 USD|Low: $380 USD|High: $4,500 USD|Avg: $2,122 USD
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$384 USD
Retailer 2$794 USD
Brilliant Earth$4,500 USD

18 data points across 3 retailers

3 retailers$384 USD to $4,500 USD

A
Cheapest Retailer
-
$384 USD
Final sale: no returns
B+
Retailer 2
-
$794 USD
£625 GBP
View
Most Expensive
C
Brilliant Earth
21706561A · Oct 28
$4,500 USD
View
2 more retailers have this diamond
Prices start from $384 USDSave up to $4,116 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
2.98ct Marquise
$384 USD