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Heart|Lab Grown|IGI

1.55ct F VS1 Heart Lab Grown Diamond

EX • F/VS1 • IGI LG766601643

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG766601643

Diamond specifications and retailer prices

From $456 NZD
As of November 2, 2026
Save $1,768 NZD (79%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,922 NZD at Brilliant Earth · As of October 16, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG766601643 or 766601643. Listed at 23 retailers as of November 2, 2026, with a 387% 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
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766601643
Dimensions7.24 × 7.89 × 4.72 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
7.24 mm7.89 mm1.55 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766601643
Side View
Table 64.0%Crown 37.2°Girdle: MED-STKPavilion 42.3°Culet: NoneDepth 59.8%

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 2
Current: $2,922 NZD|Low: $438 NZD|High: $2,922 NZD|Avg: $1,075 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12$456 NZD
Retailer 4$565 NZD
Retailer 6$657 NZD
Retailer 3$794 NZD
Retailer 11$857 NZD
Retailer 5$911 NZD
Retailer 2$956 NZD
Retailer 7$1,066 NZD
Retailer 8$1,322 NZD
Retailer 9$1,440 NZD
Retailer 10$2,277 NZD
Brilliant Earth$2,922 NZD

37 data points across 12 retailers

23 retailers$456 NZD to $2,224 NZD

A
Cheapest Retailer
-
$456 NZD
A
Retailer 2
-
$529 NZD
View
A
Retailer 3
-
$565 NZD
View
Retailer 4
-
$565 NZD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$657 NZD
View
B+
Retailer 6
-
$794 NZD
View
A
Retailer 7
-
$857 NZD
View
A
Retailer 8
-
$911 NZD
View
A
Retailer 9
-
$956 NZD
View
A
Retailer 10
-
$985 NZD
View
B+
Retailer 11
-
$1,066 NZD
View
B+
Retailer 12
-
$1,178 NZD
View
B+
Retailer 13
-
$1,322 NZD
View
B+
Retailer 14
-
$1,440 NZD
View
B
Retailer 15
-
$1,735 NZD
View
B
Retailer 16
-
$1,779 NZD
View
B
Retailer 17
-
$1,817 NZD
View
B
Retailer 18
-
$1,824 NZD
View
B
Retailer 19
-
$1,909 NZD
View
B
Retailer 20
-
$2,224 NZD
View
Retailer 21
-
$2,277 NZD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
18204873A · Oct 16
$2,922 NZD
$1,620 USD
View
Price last confirmed 21 days ago
21 more retailers have this diamond
Prices start from $456 NZDSave up to $1,768 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
$456 NZD