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Heart|Lab Grown|IGI

1.02ct F SI1 Heart Lab Grown Diamond

EX • F/SI1 • IGI LG839686937

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839686937

Diamond specifications and retailer prices

From $300 NZD
$169 USD
As of November 1, 2026
Save $713 NZD (70%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,013 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.02ct lab-grown heart diamond

This 1.02ct lab-grown heart sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG839686937 or 839686937. Listed at 3 retailers as of November 1, 2026, with prices from $300 to $1,013, a $713 spread on the same certified stone. Brilliant Earth lists it at $1,013. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.02
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839686937
Dimensions6.22 × 6.84 × 4.08 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.22 mm6.84 mm1.02 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839686937
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 59.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,013 NZD|Low: $300 NZD|High: $1,546 NZD|Avg: $867 NZD|-34.5%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$300 NZD
Retailer 2$599 NZD
Brilliant Earth$1,013 NZD

29 data points across 3 retailers

3 retailers$300 NZD to $1,013 NZD

A
Cheapest Retailer
-
$300 NZD
$169 USD
Final sale: no returns
A
Retailer 2
-
$599 NZD
£265 GBP
View
Most Expensive
B+
Brilliant Earth
21601350A · Nov 2
$1,013 NZD
$570 USD
View
2 more retailers have this diamond
Prices start from $300 NZDSave up to $713 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
1.02ct Heart
$300 NZD