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Heart|Lab Grown|IGI

1.55ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG510184251

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG510184251

Diamond specifications and retailer prices

From $538 NZD
As of November 6, 2026
Save $2,240 NZD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,778 NZD at Brilliant Earth · As of November 6, 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 LG510184251 or 510184251. Listed at 21 retailers as of November 6, 2026, with prices from $538 to $2,778, a $2,240 spread on the same certified stone. Brilliant Earth lists it at $2,778. 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 angle34.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510184251
Dimensions8.09 × 7.20 × 4.67 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.09 mm7.20 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510184251
Side View
Table 55.0%Crown 34.5°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 57.7%

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: $2,778 NZD|Low: $516 NZD|High: $2,922 NZD|Avg: $1,537 NZD|-4.9%
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
November 6, 2026
Retailer 12$538 NZD
Retailer 13$666 NZD
Retailer 2$774 NZD
Retailer 10$947 NZD
Retailer 5$1,090 NZD
Retailer 9$1,147 NZD
Retailer 6$1,165 NZD
Retailer 8$1,560 NZD
Retailer 11$2,046 NZD
Retailer 4$2,141 NZD
Retailer 3$2,562 NZD
Retailer 7$2,661 NZD
Brilliant Earth$2,778 NZD

38 data points across 13 retailers

21 retailers$538 NZD to $2,778 NZD

A
Cheapest Retailer
-
$538 NZD
A
Retailer 2
-
$601 NZD
View
Final sale: no returns
A
Retailer 3
-
$622 NZD
View
A
Retailer 4
-
$666 NZD
View
Retailer 5
-
$666 NZD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$774 NZD
View
A
Retailer 7
-
$947 NZD
View
A
Retailer 8
-
$1,014 NZD
View
B+
Retailer 9
-
$1,090 NZD
View
B+
Retailer 10
-
$1,136 NZD
View
B+
Retailer 11
-
$1,147 NZD
View
B+
Retailer 12
-
$1,165 NZD
View
B+
Retailer 13
-
$1,560 NZD
View
B+
Retailer 14
-
$1,708 NZD
View
B
Retailer 15
-
$2,046 NZD
View
B
Retailer 16
-
$2,141 NZD
View
B
Retailer 17
-
$2,226 NZD
View
B
Retailer 18
-
$2,562 NZD
View
B
Retailer 19
-
$2,661 NZD
View
B
Retailer 20
-
$2,715 NZD
View
Most Expensive
B
Brilliant Earth
17972451A · Nov 6
$2,778 NZD
$1,540 USD
View
20 more retailers have this diamond
Prices start from $538 NZDSave up to $2,240 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
$538 NZD