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Marquise|Lab Grown|IGI

1.40ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG780694056

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780694056

Diamond specifications and retailer prices

From $296 AUD
$208 USD
As of October 30, 2026
Save $1,438 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,734 AUD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.4ct lab-grown marquise diamond

This 1.4ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG780694056 or 780694056. Listed at 16 retailers as of October 30, 2026, with prices from $296 to $1,734, a $1,438 spread on the same certified stone. Reve Diamonds lists it at $1,734. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780694056
Dimensions12.22 × 5.81 × 3.36 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.22 mm5.81 mm1.40 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780694056
Side View
Table 63.0%Crown 31.1°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 57.8%

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: $439 AUD|Low: $283 AUD|High: $1,734 AUD|Avg: $830 AUD|-0.9%
Retailer 1
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
Reve Diamonds
November 1, 2026
Retailer 10$296 AUD
Retailer 13$330 AUD
Retailer 14$343 AUD
Retailer 2$367 AUD
Retailer 11$367 AUD
Retailer 1$439 AUD
Retailer 6$495 AUD
Retailer 7$676 AUD
Retailer 3$831 AUD
Retailer 12$1,179 AUD
Retailer 9$1,183 AUD
Retailer 4$1,254 AUD
Retailer 5$1,432 AUD
Retailer 8$1,477 AUD
Reve Diamonds$1,734 AUD

42 data points across 15 retailers

16 retailers$296 AUD to $1,734 AUD

A
Cheapest Retailer
-
$296 AUD
$208 USD
A
Retailer 2
-
$330 AUD
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$343 AUD
$241 USD
View
Retailer 4
-
$367 AUD
$258 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$367 AUD
$258 USD
View
A
Retailer 6
-
$439 AUD
£243 GBP
View
B+
Retailer 7
-
$495 AUD
$348 USD
View
A
Retailer 8
-
$676 AUD
£374 GBP
View
B+
Retailer 9
-
$803 AUD
$564 USD
View
B+
Retailer 10
-
$831 AUD
$584 USD
View
B+
Retailer 11
-
$1,179 AUD
$828 USD
View
B
Retailer 12
-
$1,183 AUD
$831 USD
View
B
Retailer 13
-
$1,254 AUD
$881 USD
View
Retailer 14
-
$1,432 AUD
£792 GBP
View
Price last confirmed 14 days ago
B
Retailer 15
-
$1,477 AUD
£817 GBP
View
Most Expensive
B
Reve Diamonds
B85E0D732 · Nov 1
$1,734 AUD
$1,218 USD
View
15 more retailers have this diamond
Prices start from $296 AUDSave up to $1,438 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
1.40ct Marquise
$296 AUD