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Heart|Lab Grown|IGI

1.50ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG816607655

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI LG816607655

Diamond specifications and retailer prices

From $664 NZD
As of November 6, 2026
Save $2,852 NZD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,940 NZD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.5ct lab-grown heart diamond

This 1.5ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816607655 or 816607655. Listed at 23 retailers as of November 5, 2026, with a 430% 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

1.50
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle30°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816607655
Dimensions6.82 × 7.71 × 3.96 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.82 mm7.71 mm1.50 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816607655
Side View
Table 67.0%Crown 36.4°Girdle: ThickPavilion 30°Culet: NoneDepth 51.4%

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 6
Current: $3,940 NZD|Low: $664 NZD|High: $3,940 NZD|Avg: $1,847 NZD
Queensmith
Retailer 2
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Retailer 23
November 6, 2026
Retailer 4$664 NZD
Retailer 12$743 NZD
Retailer 22$768 NZD
Retailer 3$823 NZD
Retailer 23$823 NZD
Retailer 16$900 NZD
Retailer 2$909 NZD
Retailer 7$1,017 NZD
Retailer 19$1,091 NZD
Retailer 8$1,104 NZD
Retailer 6$1,279 NZD
Retailer 20$1,418 NZD
Retailer 13$1,468 NZD
Retailer 18$1,918 NZD
Retailer 21$2,412 NZD
Retailer 14$2,623 NZD
Retailer 5$2,645 NZD
Retailer 11$2,715 NZD
Retailer 10$3,106 NZD
Retailer 9$3,117 NZD
Retailer 17$3,204 NZD
Retailer 15$3,516 NZD
Queensmith$3,940 NZD

32 data points across 23 retailers

23 retailers$664 NZD to $3,516 NZD

A
Cheapest Retailer
-
$664 NZD
A
Retailer 2
-
$743 NZD
View
Final sale: no returns
A
Retailer 3
-
$768 NZD
View
A
Retailer 4
-
$823 NZD
View
Retailer 5
-
$823 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$900 NZD
View
A
Retailer 7
-
$909 NZD
View
B+
Retailer 8
-
$1,017 NZD
View
B+
Retailer 9
-
$1,091 NZD
View
B+
Retailer 10
-
$1,104 NZD
View
B+
Retailer 11
-
$1,279 NZD
View
B+
Retailer 12
-
$1,418 NZD
View
B+
Retailer 13
-
$1,468 NZD
View
B
Retailer 14
-
$1,918 NZD
View
B
Retailer 15
-
$2,412 NZD
View
B
Retailer 16
-
$2,623 NZD
View
B
Retailer 17
-
$2,645 NZD
View
B
Retailer 18
-
$2,715 NZD
View
B
Retailer 19
-
$3,106 NZD
View
B
Retailer 20
-
$3,117 NZD
View
B
Retailer 21
-
$3,204 NZD
View
B
Retailer 22
-
$3,516 NZD
View
Most Expensive
Queensmith
LG816607655 · Oct 27
$3,940 NZD
£1,720 GBP
View
Price last confirmed 10 days ago
22 more retailers have this diamond
Prices start from $664 NZDSave up to $2,852 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
1.50ct Heart
$664 NZD