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Heart|Lab Grown|IGI

1.51ct D VS2 Heart Lab Grown Diamond

EX • D/VS2 • IGI LG644493749

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG644493749

Diamond specifications and retailer prices

From $449 NZD
As of November 4, 2026
Save $1,964 NZD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,413 NZD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG644493749 or 644493749. Listed at 16 retailers as of November 3, 2026, with prices from $449 to $2,413, a $1,964 spread on the same certified stone. Brilliant Earth lists it at $2,413. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644493749
Dimensions7.01 × 8.01 × 4.70 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Top View
7.01 mm8.01 mm1.51 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644493749
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 58.7%

Caratlytics Score

How it works →
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: $2,413 NZD|Low: $449 NZD|High: $2,643 NZD|Avg: $1,286 NZD|-8.7%
Brilliant Earth
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 15$449 NZD
Retailer 12$522 NZD
Retailer 3$557 NZD
Retailer 17$557 NZD
Retailer 14$623 NZD
Retailer 11$843 NZD
Retailer 7$931 NZD
Retailer 9$933 NZD
Retailer 2$1,045 NZD
Retailer 5$1,158 NZD
Retailer 13$1,714 NZD
Retailer 16$1,792 NZD
Retailer 8$1,882 NZD
Retailer 4$2,053 NZD
Retailer 6$2,193 NZD
Retailer 10$2,233 NZD
Brilliant Earth$2,413 NZD

38 data points across 17 retailers

16 retailers$449 NZD to $2,413 NZD

A
Cheapest Retailer
-
$449 NZD
A
Retailer 2
-
$522 NZD
View
A
Retailer 3
-
$557 NZD
View
Retailer 4
-
$557 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$843 NZD
View
B+
Retailer 6
-
$931 NZD
View
B+
Retailer 7
-
$933 NZD
View
B+
Retailer 8
-
$1,045 NZD
View
B+
Retailer 9
-
$1,158 NZD
View
B
Retailer 10
-
$1,714 NZD
View
B
Retailer 11
-
$1,792 NZD
View
Retailer 12
-
$1,882 NZD
View
Price last confirmed 18 days ago
B
Retailer 13
-
$2,053 NZD
View
B
Retailer 14
-
$2,193 NZD
View
B
Retailer 15
-
$2,233 NZD
View
Most Expensive
B
Brilliant Earth
11353798A · Nov 3
$2,413 NZD
$1,360 USD
View
15 more retailers have this diamond
Prices start from $449 NZDSave up to $1,964 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
1.51ct Heart
$449 NZD