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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 $672 AUD
$472 USD
As of October 30, 2026
Save $2,403 AUD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,516 AUD 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
Colour
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

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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: $3,516 AUD|Low: $645 AUD|High: $6,520 AUD|Avg: $2,043 AUD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 13$672 AUD
Retailer 3$752 AUD
Retailer 4$752 AUD
Retailer 14$833 AUD
Retailer 9$1,032 AUD
Retailer 11$1,118 AUD
Retailer 12$1,272 AUD
Retailer 2$1,382 AUD
Retailer 5$1,565 AUD
Retailer 10$1,875 AUD
Retailer 15$2,678 AUD
Retailer 6$2,719 AUD
Retailer 8$3,075 AUD
Rare Carat$3,516 AUD
Retailer 7$6,520 AUD

42 data points across 15 retailers

14 retailers$672 AUD to $3,075 AUD

A
Cheapest Retailer
-
$672 AUD
$472 USD
A
Retailer 2
-
$752 AUD
$528 USD
View
Final sale: no returns
A
Retailer 3
-
$752 AUD
$528 USD
View
Retailer 4
-
$833 AUD
$585 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$833 AUD
$585 USD
View
A
Retailer 6
-
$1,032 AUD
$725 USD
View
B+
Retailer 7
-
$1,118 AUD
$785 USD
View
B+
Retailer 8
-
$1,382 AUD
£764 GBP
View
B+
Retailer 9
-
$1,565 AUD
$1,099 USD
View
B+
Retailer 10
-
$1,875 AUD
$1,317 USD
View
B
Retailer 11
-
$2,678 AUD
$1,881 USD
View
B
Retailer 12
-
$2,719 AUD
$1,910 USD
View
B
Retailer 13
-
$3,075 AUD
£1,701 GBP
View
Most Expensive
Rare Carat
F77A-2B · Aug 9
$3,516 AUD
$2,470 USD
View
Price last confirmed 83 days ago
13 more retailers have this diamond
Prices start from $672 AUDSave up to $2,403 AUD

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
$672 AUD