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Marquise|Lab Grown|IGI

2.10ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG840661558

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840661558

Diamond specifications and retailer prices

From $284 USD
As of October 28, 2026
Save $1,231 USD (81%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,515 USD at Rare Carat · As of October 25, 2026
View at Rare Carat

About this 2.1ct lab-grown marquise diamond

This 2.1ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG840661558 or 840661558. Listed at 3 retailers as of October 25, 2026, with prices from $284 to $1,515, a $1,231 spread on the same certified stone. Rare Carat lists it at $1,515. 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

2.10
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840661558
Dimensions13.56 × 6.54 × 4.17 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.56 mm6.54 mm2.10 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840661558
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.8%

Caratlytics Score

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

Last verified: Oct 28
Current: $1,515 USD|Low: $284 USD|High: $1,530 USD|Avg: $878 USD|-1.0%
Rare Carat
Retailer 2
Retailer 3
October 31, 2026
Retailer 3$284 USD
Retailer 2$624 USD
Rare Carat$1,515 USD

27 data points across 3 retailers

3 retailers$284 USD to $1,515 USD

A
Cheapest Retailer
-
$284 USD
Final sale: no returns
A
Retailer 2
-
$624 USD
£492 GBP
View
Most Expensive
B
Rare Carat
840661558 · Oct 25
$1,515 USD
View
2 more retailers have this diamond
Prices start from $284 USDSave up to $1,231 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
2.10ct Marquise
$284 USD