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Heart|Lab Grown|IGI

1.55ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG775619781

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG775619781

Diamond specifications and retailer prices

From $577 NZD
As of November 6, 2026
Save $4,546 NZD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,664 NZD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown heart diamond

This 1.55ct 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 LG775619781 or 775619781. Listed at 25 retailers as of November 6, 2026, with a 788% 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

1.55
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775619781
Dimensions7.15 × 7.80 × 4.68 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.15 mm7.80 mm1.55 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775619781
Side View
Table 61.0%Crown 38.2°Girdle: MED-THKPavilion 39.7°Culet: NoneDepth 60.0%

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 6
Current: $1,584 NZD|Low: $554 NZD|High: $3,123 NZD|Avg: $1,504 NZD
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 7, 2026
Retailer 3$577 NZD
Retailer 8$644 NZD
Retailer 4$716 NZD
Retailer 11$902 NZD
Retailer 9$952 NZD
Retailer 2$992 NZD
Retailer 7$1,319 NZD
Retailer 16$1,333 NZD
Retailer 13$1,338 NZD
Retailer 14$1,411 NZD
Retailer 1$1,584 NZD
Retailer 15$1,854 NZD
Retailer 17$2,098 NZD
Retailer 6$2,102 NZD
Retailer 5$2,749 NZD
Retailer 12$3,009 NZD
Retailer 10$3,068 NZD

45 data points across 17 retailers

25 retailers$577 NZD to $5,123 NZD

A
Cheapest Retailer
-
$577 NZD
A
Retailer 2
-
$644 NZD
View
Final sale: no returns
A
Retailer 3
-
$669 NZD
View
A
Retailer 4
-
$716 NZD
View
A
Retailer 5
-
$716 NZD
View
A
Retailer 6
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$799 NZD
View
A
Retailer 7
-
$902 NZD
View
A
Retailer 8
-
$952 NZD
View
A
Retailer 9
-
$992 NZD
View
B+
Retailer 10
-
$1,319 NZD
View
B+
Retailer 11
-
$1,333 NZD
View
B+
Retailer 12
-
$1,338 NZD
View
B+
Retailer 13
-
$1,411 NZD
View
B+
Retailer 14
-
$1,584 NZD
View
B+
Retailer 15
-
$1,854 NZD
View
B
Retailer 16
-
$2,098 NZD
View
Retailer 17
-
$2,102 NZD
View
Price last confirmed 37 days ago
B
Retailer 18
-
$2,540 NZD
View
B
Retailer 19
-
$2,749 NZD
View
B
Retailer 20
-
$2,823 NZD
View
B
Retailer 21
-
$2,834 NZD
View
B
Retailer 22
-
$3,009 NZD
View
B
Retailer 23
-
$3,068 NZD
View
B
Retailer 24
-
$5,123 NZD
View
Most Expensive
Do Amore Diamonds
23-775619781 · Nov 6
$5,664 NZD
$3,140 USD
View
Price under review
24 more retailers have this diamond
Prices start from $577 NZDSave up to $4,546 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
1.55ct Heart
$577 NZD