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Heart|Lab Grown|IGI

1.42ct F VS1 Heart Lab Grown Diamond

EX • F/VS1 • IGI LG839619059

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839619059

Diamond specifications and retailer prices

From $395 NZD
$222 USD
As of November 1, 2026
Save $211 NZD (35%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,688 NZD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.42ct lab-grown heart diamond

This 1.42ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839619059 or 839619059. Listed at 3 retailers as of November 1, 2026, with a 54% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839619059
Dimensions6.84 × 7.75 × 4.57 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm7.75 mm1.42 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839619059
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 59.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,688 NZD|Low: $395 NZD|High: $1,742 NZD|Avg: $1,182 NZD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 28, 2026
Retailer 2$395 NZD
Retailer 3$606 NZD
Retailer 4$883 NZD
Brilliant Earth$1,688 NZD

13 data points across 4 retailers

3 retailers$395 NZD to $606 NZD

A
Cheapest Retailer
-
$395 NZD
$222 USD
Final sale: no returns
B+
Retailer 2
-
$606 NZD
$341 USD
View
Most Expensive
Brilliant Earth
21541948A · Oct 8
$1,688 NZD
$950 USD
View
Price last confirmed 25 days ago
2 more retailers have this diamond
Prices start from $395 NZDSave up to $211 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 Heart
$395 NZD