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Heart|Lab Grown|IGI

1.59ct G VVS2 Heart Lab Grown Diamond

EX • G/VVS2 • IGI LG823678821

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823678821

Diamond specifications and retailer prices

From $436 NZD
$246 USD
As of November 1, 2026
Save $224 NZD (34%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $660 NZD at Loose Grown Diamond · As of November 1, 2026
View at Loose Grown Diamond

About this 1.59ct lab-grown heart diamond

This 1.59ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG823678821 or 823678821. Listed at 2 retailers as of November 1, 2026, with prices from $436 to $660, a $224 spread on the same certified stone. Loose Grown Diamond lists it at $660. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823678821
Dimensions7.28 × 7.92 × 4.78 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.28 mm7.92 mm1.59 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823678821
Side View
Table 60.0%Crown 34.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $660 NZD|Low: $436 NZD|High: $983 NZD|Avg: $824 NZD|-16.6%
Loose Grown Diamond
Retailer 2
Retailer 3
October 28, 2026
Retailer 2$436 NZD
Loose Grown Diamond$660 NZD
Retailer 3$983 NZD

15 data points across 3 retailers

2 retailers$436 NZD to $660 NZD

A
Cheapest Retailer
-
$436 NZD
$246 USD
Final sale: no returns
Most Expensive
B+
Loose Grown Diamond
823678821 · Nov 1
$660 NZD
$372 USD
View
1 more retailer has this diamond
Prices start from $436 NZDSave up to $224 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
1.59ct Heart
$436 NZD