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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 $291 SGD
As of November 6, 2026
Save $1,503 SGD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,794 SGD 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 $291 to $1,794, a $1,503 spread on the same certified stone. Brilliant Earth lists it at $1,794. 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

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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: $1,794 SGD|Low: $279 SGD|High: $1,884 SGD|Avg: $795 SGD|-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$291 SGD
Retailer 15$324 SGD
Retailer 7$337 SGD
Retailer 3$360 SGD
Retailer 8$360 SGD
Retailer 5$487 SGD
Retailer 2$610 SGD
Retailer 10$666 SGD
Retailer 9$687 SGD
Retailer 16$723 SGD
Retailer 12$842 SGD
Retailer 13$951 SGD
Retailer 6$1,160 SGD
Retailer 14$1,200 SGD
Retailer 4$1,296 SGD
Retailer 11$1,439 SGD
Brilliant Earth$1,794 SGD

45 data points across 17 retailers

24 retailers$291 SGD to $1,794 SGD

A
Cheapest Retailer
-
$291 SGD
A
Retailer 2
-
$324 SGD
View
Final sale: no returns
A
Retailer 3
-
$337 SGD
View
A
Retailer 4
-
$360 SGD
View
Retailer 5
-
$360 SGD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$487 SGD
View
A
Retailer 7
-
$610 SGD
View
A
Retailer 8
-
$666 SGD
View
A
Retailer 9
-
$687 SGD
View
A
Retailer 10
-
$688 SGD
View
A
Retailer 11
-
$723 SGD
View
B+
Retailer 12
-
$742 SGD
View
B+
Retailer 13
-
$842 SGD
View
B+
Retailer 14
-
$951 SGD
View
B+
Retailer 15
-
$1,097 SGD
View
B+
Retailer 16
-
$1,160 SGD
View
Retailer 17
-
$1,200 SGD
View
Price last confirmed 13 days ago
B
Retailer 18
-
$1,226 SGD
View
B
Retailer 19
-
$1,296 SGD
View
B
Retailer 20
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$1,406 SGD
View
B
Retailer 21
-
$1,439 SGD
View
B
Retailer 22
-
$1,467 SGD
View
B
Retailer 23
-
$1,639 SGD
View
Most Expensive
B
Brilliant Earth
14085781A · Nov 5
$1,794 SGD
$1,400 USD
View
23 more retailers have this diamond
Prices start from $291 SGDSave up to $1,503 SGD

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
$291 SGD