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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 $373 NZD
$210 USD
As of October 30, 2026
Save $2,750 NZD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,123 NZD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $373 to $3,123, a $2,750 spread on the same certified stone. Brilliant Earth lists it at $3,123. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,123 NZD|Low: $358 NZD|High: $3,282 NZD|Avg: $1,042 NZD|-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 31, 2026
Retailer 4$373 NZD
Retailer 17$417 NZD
Retailer 7$433 NZD
Retailer 5$463 NZD
Retailer 8$463 NZD
Retailer 11$568 NZD
Retailer 9$625 NZD
Retailer 12$795 NZD
Retailer 14$842 NZD
Retailer 2$854 NZD
Retailer 10$1,042 NZD
Retailer 13$1,130 NZD
Retailer 6$1,487 NZD
Retailer 16$1,492 NZD
Retailer 3$1,812 NZD
Retailer 15$1,864 NZD
Retailer 18$2,176 NZD
Brilliant Earth$3,123 NZD

45 data points across 18 retailers

21 retailers$373 NZD to $3,123 NZD

A
Cheapest Retailer
-
$373 NZD
$210 USD
A
Retailer 2
-
$417 NZD
$235 USD
View
Final sale: no returns
A
Retailer 3
-
$433 NZD
$244 USD
View
A
Retailer 4
-
$463 NZD
$261 USD
View
A
Retailer 5
-
$463 NZD
$261 USD
View
A
Retailer 6
-
$568 NZD
£252 GBP
View
B+
Retailer 7
-
$625 NZD
$352 USD
View
A
Retailer 8
-
$795 NZD
ZAR 7,235 ZAR
View
A
Retailer 9
-
$842 NZD
€452 EUR
View
A
Retailer 10
-
$854 NZD
£379 GBP
View
A
Retailer 11
-
$1,042 NZD
$587 USD
View
A
Retailer 12
-
$1,109 NZD
$625 USD
View
A
Retailer 13
-
$1,130 NZD
A$980 AUD
View
B+
Retailer 14
-
$1,487 NZD
$838 USD
View
B+
Retailer 15
-
$1,492 NZD
$841 USD
View
B+
Retailer 16
-
$1,506 NZD
SGD 1,147 SGD
View
B+
Retailer 17
-
$1,581 NZD
$891 USD
View
B+
Retailer 18
-
$1,812 NZD
£804 GBP
View
Retailer 19
-
$1,864 NZD
£827 GBP
View
Price last confirmed 10 days ago
B
Retailer 20
-
$2,176 NZD
$1,226 USD
View
Most Expensive
B
Brilliant Earth
20603460A · Oct 30
$3,123 NZD
$1,760 USD
View
20 more retailers have this diamond
Prices start from $373 NZDSave up to $2,750 NZD

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
$373 NZD