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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 $298 USD
As of November 6, 2026
Save $1,242 USD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,540 USD 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 $298 to $1,540, a $1,242 spread on the same certified stone. Brilliant Earth lists it at $1,540. 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
Color
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: $1,540 USD|Low: $286 USD|High: $1,620 USD|Avg: $852 USD|-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$298 USD
Retailer 13$369 USD
Retailer 2$429 USD
Retailer 10$525 USD
Retailer 5$604 USD
Retailer 9$636 USD
Retailer 6$646 USD
Retailer 8$865 USD
Retailer 11$1,134 USD
Retailer 4$1,187 USD
Retailer 3$1,420 USD
Retailer 7$1,475 USD
Brilliant Earth$1,540 USD

38 data points across 13 retailers

21 retailers$298 USD to $1,540 USD

A
Cheapest Retailer
-
$298 USD
A
Retailer 2
-
$333 USD
View
Final sale: no returns
A
Retailer 3
-
$345 USD
View
A
Retailer 4
-
$369 USD
View
Retailer 5
-
$369 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$429 USD
View
A
Retailer 7
-
$525 USD
View
A
Retailer 8
-
$562 USD
View
B+
Retailer 9
-
$604 USD
View
B+
Retailer 10
-
$630 USD
View
B+
Retailer 11
-
$636 USD
View
B+
Retailer 12
-
$646 USD
View
B+
Retailer 13
-
$865 USD
View
B+
Retailer 14
-
$947 USD
View
B
Retailer 15
-
$1,134 USD
View
B
Retailer 16
-
$1,187 USD
View
B
Retailer 17
-
$1,234 USD
View
B
Retailer 18
-
$1,420 USD
View
B
Retailer 19
-
$1,475 USD
View
B
Retailer 20
-
$1,505 USD
View
Most Expensive
B
Brilliant Earth
17972451A · Nov 6
$1,540 USD
View
20 more retailers have this diamond
Prices start from $298 USDSave up to $1,242 USD

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
$298 USD