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Heart|Lab Grown|IGI

1.20ct G VVS2 Heart Lab Grown Diamond

EX • G/VVS2 • IGI LG589381553

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG589381553

Diamond specifications and retailer prices

From $463 NZD
As of November 4, 2026
Save $3,647 NZD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,109 NZD at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown heart diamond

This 1.2ct lab-grown heart sits in the classic one-carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG589381553 or 589381553. Listed at 18 retailers as of November 4, 2026, with prices from $463 to $4,109, a $3,647 spread on the same certified stone. Do Amore Diamonds lists it at $4,109. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589381553
Dimensions6.64 × 7.48 × 4.23 mm
L/W Ratio1.13
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 Faint Blue
Top View
6.64 mm7.48 mm1.20 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589381553
Side View
Table 60.0%Crown 33.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 56.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,109 NZD|Low: $445 NZD|High: $4,109 NZD|Avg: $1,383 NZD
Do Amore Diamonds
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
November 5, 2026
Retailer 14$463 NZD
Retailer 12$518 NZD
Retailer 5$537 NZD
Retailer 3$575 NZD
Retailer 6$744 NZD
Retailer 2$770 NZD
Retailer 10$1,090 NZD
Retailer 7$1,101 NZD
Retailer 9$1,553 NZD
Retailer 11$1,763 NZD
Retailer 4$2,037 NZD
Retailer 13$2,460 NZD
Retailer 8$2,531 NZD
Do Amore Diamonds$4,109 NZD

45 data points across 14 retailers

18 retailers$463 NZD to $4,109 NZD

A
Cheapest Retailer
-
$463 NZD
A
Retailer 2
-
$518 NZD
View
Final sale: no returns
A
Retailer 3
-
$537 NZD
View
A
Retailer 4
-
$575 NZD
View
A
Retailer 5
-
$653 NZD
View
B+
Retailer 6
-
$744 NZD
View
B+
Retailer 7
-
$768 NZD
View
A
Retailer 8
-
$770 NZD
View
B+
Retailer 9
-
$854 NZD
View
B+
Retailer 10
-
$1,090 NZD
View
B+
Retailer 11
-
$1,101 NZD
View
B
Retailer 12
-
$1,553 NZD
View
B
Retailer 13
-
$1,763 NZD
View
B
Retailer 14
-
$2,037 NZD
View
B
Retailer 15
-
$2,330 NZD
View
B
Retailer 16
-
$2,460 NZD
View
B
Retailer 17
-
$2,531 NZD
View
Most Expensive
B
Do Amore Diamonds
27-06743447B · Nov 5
$4,109 NZD
$2,310 USD
View
17 more retailers have this diamond
Prices start from $463 NZDSave up to $3,647 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
1.20ct Heart
$463 NZD