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Heart|Lab Grown|IGI

1.55ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG776683156

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG776683156

Diamond specifications and retailer prices

From $419 NZD
As of November 6, 2026
Save $1,916 NZD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,770 NZD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

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 LG776683156 or 776683156. Listed at 22 retailers as of November 6, 2026, with a 458% 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 angle33.4°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776683156
Dimensions7.32 × 8.09 × 4.72 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.32 mm8.09 mm1.55 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776683156
Side View
Table 56.0%Crown 33.4°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 58.3%

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 6
Current: $3,770 NZD|Low: $419 NZD|High: $3,969 NZD|Avg: $1,311 NZD|-5.0%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 21
November 7, 2026
Retailer 4$419 NZD
Retailer 6$467 NZD
Retailer 11$485 NZD
Retailer 13$518 NZD
Retailer 21$518 NZD
Retailer 17$577 NZD
Retailer 10$877 NZD
Retailer 19$877 NZD
Retailer 14$889 NZD
Retailer 18$967 NZD
Retailer 20$983 NZD
Retailer 2$1,099 NZD
Retailer 12$1,221 NZD
Retailer 5$1,665 NZD
Retailer 8$1,670 NZD
Retailer 7$1,759 NZD
Retailer 15$1,869 NZD
Retailer 16$2,064 NZD
Retailer 3$2,109 NZD
Retailer 9$2,334 NZD
Brilliant Earth$3,770 NZD

35 data points across 21 retailers

22 retailers$419 NZD to $2,334 NZD

A
Cheapest Retailer
-
$419 NZD
A
Retailer 2
-
$467 NZD
View
Final sale: no returns
A
Retailer 3
-
$485 NZD
View
A
Retailer 4
-
$518 NZD
View
A
Retailer 5
-
$518 NZD
View
A
Retailer 6
-
$577 NZD
View
A
Retailer 7
-
$877 NZD
View
A
Retailer 8
-
$877 NZD
View
A
Retailer 9
-
$889 NZD
View
A
Retailer 10
-
$967 NZD
View
B+
Retailer 11
-
$983 NZD
View
B+
Retailer 12
-
$1,099 NZD
View
B+
Retailer 13
-
$1,115 NZD
View
B+
Retailer 14
-
$1,221 NZD
View
B+
Retailer 15
-
$1,665 NZD
View
B
Retailer 16
-
$1,670 NZD
View
B
Retailer 17
-
$1,759 NZD
View
B
Retailer 18
-
$1,869 NZD
View
B+
Retailer 19
-
$2,064 NZD
View
B
Retailer 20
-
$2,109 NZD
View
B
Retailer 21
-
$2,334 NZD
View
Most Expensive
Brilliant Earth
17856910A · Oct 21
$3,770 NZD
$2,090 USD
View
Price last confirmed 16 days ago
21 more retailers have this diamond
Prices start from $419 NZDSave up to $1,916 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
$419 NZD