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Heart|Lab Grown|IGI

1.20ct D VVS2 Heart Lab Grown Diamond

ID • D/VVS2 • IGI LG591310913

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG591310913

Diamond specifications and retailer prices

From $269 AUD
As of November 4, 2026
Save $1,290 AUD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,060 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.2ct lab-grown heart diamond

This 1.2ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG591310913 or 591310913. Listed at 20 retailers as of November 4, 2026, with a 479% 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

1.20
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591310913
Dimensions6.94 × 7.32 × 4.04 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.94 mm7.32 mm1.20 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591310913
Side View
Table 64.0%Crown 35.4°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 55.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $602 AUD|Low: $269 AUD|High: $1,597 AUD|Avg: $725 AUD|-12.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 9$269 AUD
Retailer 7$301 AUD
Retailer 5$314 AUD
Retailer 2$335 AUD
Retailer 4$335 AUD
Retailer 11$436 AUD
Retailer 15$563 AUD
Retailer 14$577 AUD
Retailer 8$586 AUD
Retailer 1$602 AUD
Retailer 3$703 AUD
Retailer 13$815 AUD
Retailer 12$864 AUD
Retailer 17$1,075 AUD
Retailer 6$1,152 AUD
Retailer 16$1,183 AUD
Retailer 10$1,559 AUD

33 data points across 17 retailers

20 retailers$269 AUD to $1,559 AUD

A
Cheapest Retailer
-
$269 AUD
A
Retailer 2
-
$301 AUD
View
Final sale: no returns
A
Retailer 3
-
$314 AUD
View
A
Retailer 4
-
$335 AUD
View
Retailer 5
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$335 AUD
View
Price last confirmed 11 days ago
Retailer 6
-
$375 AUD
View
Price last confirmed 41 days ago
A
Retailer 7
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$436 AUD
View
A
Retailer 8
-
$563 AUD
View
A
Retailer 9
-
$577 AUD
View
A
Retailer 10
-
$586 AUD
View
A
Retailer 11
-
$602 AUD
View
B+
Retailer 12
-
$703 AUD
View
B+
Retailer 13
-
$815 AUD
View
B+
Retailer 14
-
$864 AUD
View
B+
Retailer 15
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$1,075 AUD
View
B+
Retailer 16
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$1,079 AUD
View
B
Retailer 17
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$1,152 AUD
View
B+
Retailer 18
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$1,183 AUD
View
B
Retailer 19
-
$1,559 AUD
View
Most Expensive
Queensmith
LG591310913 · Oct 27
$3,060 AUD
£1,690 GBP
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from $269 AUDSave up to $1,290 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
$269 AUD