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Heart|Lab Grown|IGI

1.20ct F VVS2 Heart Lab Grown Diamond

EX • F/VVS2 • IGI LG831671708

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831671708

Diamond specifications and retailer prices

From $288 AUD
As of November 6, 2026
Save $160 AUD (36%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $448 AUD at Loose Grown Diamond · As of November 6, 2026
View at Loose Grown Diamond

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831671708 or 831671708. Listed at 2 retailers as of November 6, 2026, with prices from $288 to $448, a $160 spread on the same certified stone. Loose Grown Diamond lists it at $448. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831671708
Dimensions6.80 × 7.50 × 4.24 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
6.80 mm7.50 mm1.20 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831671708
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 56.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $448 AUD|Low: $288 AUD|High: $672 AUD|Avg: $581 AUD|-22.4%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 27, 2026
Retailer 2$288 AUD
Loose Grown Diamond$448 AUD
Retailer 5$584 AUD
Retailer 3$658 AUD
Retailer 4$672 AUD

8 data points across 5 retailers

2 retailers$288 AUD to $448 AUD

A
Cheapest Retailer
-
$288 AUD
Final sale: no returns
Most Expensive
B+
Loose Grown Diamond
831671708 · Nov 6
$448 AUD
$308 USD
View
1 more retailer has this diamond
Prices start from $288 AUDSave up to $160 AUD

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
1.20ct Heart
$288 AUD