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Heart|Lab Grown|IGI

1.20ct F VS1 Heart Lab Grown Diamond

EX • F/VS1 • IGI LG840652544

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840652544

Diamond specifications and retailer prices

From $714 NZD
£316 GBP
As of October 24, 2026
2 retailers carry this diamond
Most expensive: $1,351 NZD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.2ct lab-grown heart diamond

This 1.2ct lab-grown heart sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840652544 or 840652544. Listed at 2 retailers as of October 24, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840652544
Dimensions6.54 × 7.13 × 4.41 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
6.54 mm7.13 mm1.20 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840652544
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.9%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 24
Current: $1,351 NZD|Low: $357 NZD|High: $1,351 NZD|Avg: $940 NZD
Brilliant Earth
Retailer 2
Retailer 3
October 24, 2026
Retailer 3$357 NZD
Retailer 2$714 NZD
Brilliant Earth$1,351 NZD

20 data points across 3 retailers

2 retailers$714 NZD to $1,351 NZD

Retailer 1
-
$714 NZD
£316 GBP
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
21619830A · Oct 24
$1,351 NZD
$760 USD
View
Price last confirmed 9 days ago
1 more retailer has this diamond

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.

1.20ct Heart
$714 NZD