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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 $227 USD
As of November 6, 2026
Save $1,173 USD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,400 USD 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 $227 to $1,400, a $1,173 spread on the same certified stone. Brilliant Earth lists it at $1,400. 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 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

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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: $1,400 USD|Low: $218 USD|High: $1,470 USD|Avg: $620 USD|-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
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Retailer 17
November 6, 2026
Retailer 17$227 USD
Retailer 15$253 USD
Retailer 7$263 USD
Retailer 3$281 USD
Retailer 8$281 USD
Retailer 5$380 USD
Retailer 2$476 USD
Retailer 10$520 USD
Retailer 9$536 USD
Retailer 16$564 USD
Retailer 12$657 USD
Retailer 13$742 USD
Retailer 6$905 USD
Retailer 14$936 USD
Retailer 4$1,011 USD
Retailer 11$1,123 USD
Brilliant Earth$1,400 USD

45 data points across 17 retailers

24 retailers$227 USD to $1,400 USD

A
Cheapest Retailer
-
$227 USD
A
Retailer 2
-
$253 USD
View
Final sale: no returns
A
Retailer 3
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$263 USD
View
A
Retailer 4
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$281 USD
View
Retailer 5
-
$281 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$380 USD
View
A
Retailer 7
-
$476 USD
View
A
Retailer 8
-
$520 USD
View
A
Retailer 9
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$536 USD
View
A
Retailer 10
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$537 USD
View
A
Retailer 11
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$564 USD
View
B+
Retailer 12
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$579 USD
View
B+
Retailer 13
-
$657 USD
View
B+
Retailer 14
-
$742 USD
View
B+
Retailer 15
-
$856 USD
View
B+
Retailer 16
-
$905 USD
View
Retailer 17
-
$936 USD
View
Price last confirmed 13 days ago
B
Retailer 18
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$957 USD
View
B
Retailer 19
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$1,011 USD
View
B
Retailer 20
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$1,097 USD
View
B
Retailer 21
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$1,123 USD
View
B
Retailer 22
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$1,145 USD
View
B
Retailer 23
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$1,279 USD
View
Most Expensive
B
Brilliant Earth
14085781A · Nov 5
$1,400 USD
View
23 more retailers have this diamond
Prices start from $227 USDSave up to $1,173 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
$227 USD