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Marquise|Lab Grown|IGI

1.42ct E VVS2 Marquise Lab Grown Diamond

ID • E/VVS2 • IGI LG778666714

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG778666714

Diamond specifications and retailer prices

From $299 AUD
$210 USD
As of October 27, 2026
Save $2,206 AUD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,505 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.42ct lab-grown marquise diamond

This 1.42ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778666714 or 778666714. Listed at 21 retailers as of October 27, 2026, with prices from $299 to $2,505, a $2,206 spread on the same certified stone. Brilliant Earth lists it at $2,505. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778666714
Dimensions12.19 × 5.66 × 3.51 mm
L/W Ratio2.15
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.19 mm5.66 mm1.42 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778666714
Side View
Table 59.0%Crown 37.2°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 62.0%

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 27
Current: $2,505 AUD|Low: $288 AUD|High: $2,633 AUD|Avg: $834 AUD|-4.9%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 4$299 AUD
Retailer 17$334 AUD
Retailer 7$347 AUD
Retailer 5$372 AUD
Retailer 8$372 AUD
Retailer 11$456 AUD
Retailer 9$501 AUD
Retailer 12$637 AUD
Retailer 14$676 AUD
Retailer 2$685 AUD
Retailer 10$836 AUD
Retailer 13$907 AUD
Retailer 6$1,193 AUD
Retailer 16$1,197 AUD
Retailer 3$1,453 AUD
Retailer 15$1,495 AUD
Retailer 18$1,746 AUD
Brilliant Earth$2,505 AUD

45 data points across 18 retailers

21 retailers$299 AUD to $2,505 AUD

A
Cheapest Retailer
-
$299 AUD
$210 USD
A
Retailer 2
-
$334 AUD
$235 USD
View
Final sale: no returns
A
Retailer 3
-
$347 AUD
$244 USD
View
A
Retailer 4
-
$372 AUD
$261 USD
View
A
Retailer 5
-
$372 AUD
$261 USD
View
A
Retailer 6
-
$456 AUD
£252 GBP
View
B+
Retailer 7
-
$501 AUD
$352 USD
View
A
Retailer 8
-
$637 AUD
ZAR 7,235 ZAR
View
A
Retailer 9
-
$676 AUD
€452 EUR
View
A
Retailer 10
-
$685 AUD
£379 GBP
View
A
Retailer 11
-
$836 AUD
$587 USD
View
A
Retailer 12
-
$890 AUD
$625 USD
View
A
Retailer 13
-
$907 AUD
View
B+
Retailer 14
-
$1,193 AUD
$838 USD
View
B+
Retailer 15
-
$1,197 AUD
$841 USD
View
B+
Retailer 16
-
$1,208 AUD
SGD 1,147 SGD
View
B+
Retailer 17
-
$1,268 AUD
$891 USD
View
B+
Retailer 18
-
$1,453 AUD
£804 GBP
View
Retailer 19
-
$1,495 AUD
£827 GBP
View
Price last confirmed 9 days ago
B
Retailer 20
-
$1,746 AUD
$1,226 USD
View
Most Expensive
B
Brilliant Earth
20603460A · Oct 28
$2,505 AUD
$1,760 USD
View
20 more retailers have this diamond
Prices start from $299 AUDSave up to $2,206 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
1.42ct Marquise
$299 AUD