Heart|Lab Grown|IGI

1.55ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG654413567

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG654413567

Diamond specifications and retailer prices

From $511 NZD
As of November 4, 2026
Save $2,430 NZD (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $3,814 NZD at Brilliant Earth · As of September 24, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG654413567 or 654413567. Listed at 26 retailers as of October 30, 2026, with a 476% 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654413567
Dimensions7.17 × 7.83 × 4.73 mm
L/W Ratio1.09
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
Top View
7.17 mm7.83 mm1.55 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654413567
Side View
Table 59.0%Crown 36.2°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 60.4%

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: $1,103 NZD|Low: $507 NZD|High: $2,980 NZD|Avg: $1,356 NZD|+0.6%
Retailer 1
Retailer 2
Retailer 3
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Retailer 22
November 5, 2026
Retailer 6$511 NZD
Retailer 3$571 NZD
Retailer 14$594 NZD
Retailer 9$635 NZD
Retailer 13$635 NZD
Retailer 16$669 NZD
Retailer 4$914 NZD
Retailer 10$1,043 NZD
Retailer 20$1,059 NZD
Retailer 19$1,093 NZD
Retailer 8$1,100 NZD
Retailer 1$1,103 NZD
Retailer 22$1,208 NZD
Retailer 5$1,272 NZD
Retailer 18$1,487 NZD
Retailer 17$1,950 NZD
Retailer 7$2,040 NZD
Retailer 15$2,125 NZD
Retailer 21$2,441 NZD
Retailer 12$2,537 NZD
Retailer 11$2,617 NZD
Retailer 2$2,941 NZD

31 data points across 22 retailers

26 retailers$511 NZD to $2,941 NZD

A
Cheapest Retailer
-
$511 NZD
A
Retailer 2
-
$571 NZD
View
Final sale: no returns
A
Retailer 3
-
$594 NZD
View
A
Retailer 4
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$635 NZD
View
Retailer 5
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$635 NZD
View
Price last confirmed 11 days ago
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Retailer 6
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$669 NZD
View
A
Retailer 7
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$914 NZD
View
B+
Retailer 8
-
$1,043 NZD
View
B+
Retailer 9
-
$1,059 NZD
View
B+
Retailer 10
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$1,093 NZD
View
B+
Retailer 11
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$1,100 NZD
View
B+
Retailer 12
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$1,103 NZD
View
B+
Retailer 13
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$1,208 NZD
View
B+
Retailer 14
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$1,272 NZD
View
B+
Retailer 15
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$1,487 NZD
View
B+
Retailer 16
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$1,733 NZD
View
B
Retailer 17
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$1,950 NZD
View
B
Retailer 18
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$2,040 NZD
View
B
Retailer 19
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$2,088 NZD
View
B
Retailer 20
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$2,125 NZD
View
B
Retailer 21
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$2,331 NZD
View
B
Retailer 22
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$2,441 NZD
View
B
Retailer 23
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$2,537 NZD
View
B
Retailer 24
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$2,617 NZD
View
B
Retailer 25
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$2,941 NZD
View
Most Expensive
Brilliant Earth
13246762A · Sep 24
$3,814 NZD
$2,150 USD
View
Price last confirmed 41 days ago
25 more retailers have this diamond
Prices start from $511 NZDSave up to $2,430 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
$511 NZD