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Marquise|Lab Grown|IGI

2.94ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG717558599

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG717558599

Diamond specifications and retailer prices

From $472 USD
As of October 30, 2026
Save $1,688 USD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,470 USD at Rare Carat · As of August 9, 2026
View at Rare Carat

About this 2.94ct lab-grown marquise diamond

This 2.94ct 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 LG717558599 or 717558599. Listed at 14 retailers as of October 29, 2026, with a 358% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.94
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717558599
Dimensions14.80 × 7.46 × 4.63 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.80 mm7.46 mm2.94 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717558599
Side View
Table 61.0%Crown 34.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,470 USD|Low: $354 USD|High: $4,580 USD|Avg: $1,589 USD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 9$528 USD
Retailer 5$725 USD
Retailer 7$785 USD
Retailer 8$894 USD
Retailer 2$970 USD
Retailer 10$1,099 USD
Retailer 6$1,317 USD
Retailer 11$1,910 USD
Retailer 4$2,160 USD
Rare Carat$2,470 USD
Retailer 3$4,580 USD

42 data points across 11 retailers

14 retailers$472 USD to $2,160 USD

A
Cheapest Retailer
-
$472 USD
A
Retailer 2
-
$528 USD
View
Final sale: no returns
A
Retailer 3
-
$528 USD
View
Retailer 4
-
$585 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$585 USD
View
A
Retailer 6
-
$725 USD
View
B+
Retailer 7
-
$785 USD
View
B+
Retailer 8
-
$970 USD
£764 GBP
View
B+
Retailer 9
-
$1,099 USD
View
B+
Retailer 10
-
$1,317 USD
View
B
Retailer 11
-
$1,881 USD
View
B
Retailer 12
-
$1,910 USD
View
B
Retailer 13
-
$2,160 USD
£1,701 GBP
View
Most Expensive
Rare Carat
F77A-2B · Aug 9
$2,470 USD
View
Price last confirmed 81 days ago
13 more retailers have this diamond
Prices start from $472 USDSave up to $1,688 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
2.94ct Marquise
$472 USD