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Heart|Lab Grown|IGI

1.55ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG638458191

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG638458191

Diamond specifications and retailer prices

From $409 NZD
As of November 6, 2026
Save $2,116 NZD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,525 NZD at Brilliant Earth · As of November 5, 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 LG638458191 or 638458191. Listed at 24 retailers as of November 5, 2026, with prices from $409 to $2,525, a $2,116 spread on the same certified stone. Brilliant Earth lists it at $2,525. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638458191
Dimensions6.95 × 8.12 × 4.80 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.95 mm8.12 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638458191
Side View
Table 59.0%Crown 31.8°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 59.1%

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: $2,525 NZD|Low: $393 NZD|High: $2,652 NZD|Avg: $1,119 NZD|-4.8%
Brilliant Earth
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 6, 2026
Retailer 17$409 NZD
Retailer 15$456 NZD
Retailer 7$474 NZD
Retailer 3$507 NZD
Retailer 8$507 NZD
Retailer 5$685 NZD
Retailer 2$859 NZD
Retailer 10$938 NZD
Retailer 9$967 NZD
Retailer 16$1,017 NZD
Retailer 12$1,185 NZD
Retailer 13$1,338 NZD
Retailer 6$1,633 NZD
Retailer 14$1,688 NZD
Retailer 4$1,824 NZD
Retailer 11$2,026 NZD
Brilliant Earth$2,525 NZD

45 data points across 17 retailers

24 retailers$409 NZD to $2,525 NZD

A
Cheapest Retailer
-
$409 NZD
A
Retailer 2
-
$456 NZD
View
Final sale: no returns
A
Retailer 3
-
$474 NZD
View
A
Retailer 4
-
$507 NZD
View
Retailer 5
-
$507 NZD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$685 NZD
View
A
Retailer 7
-
$859 NZD
View
A
Retailer 8
-
$938 NZD
View
A
Retailer 9
-
$967 NZD
View
A
Retailer 10
-
$969 NZD
View
A
Retailer 11
-
$1,017 NZD
View
B+
Retailer 12
-
$1,044 NZD
View
B+
Retailer 13
-
$1,185 NZD
View
B+
Retailer 14
-
$1,338 NZD
View
B+
Retailer 15
-
$1,544 NZD
View
B+
Retailer 16
-
$1,633 NZD
View
Retailer 17
-
$1,688 NZD
View
Price last confirmed 13 days ago
B
Retailer 18
-
$1,726 NZD
View
B
Retailer 19
-
$1,824 NZD
View
B
Retailer 20
-
$1,979 NZD
View
B
Retailer 21
-
$2,026 NZD
View
B
Retailer 22
-
$2,065 NZD
View
B
Retailer 23
-
$2,307 NZD
View
Most Expensive
B
Brilliant Earth
14085781A · Nov 5
$2,525 NZD
$1,400 USD
View
23 more retailers have this diamond
Prices start from $409 NZDSave up to $2,116 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
$409 NZD