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Heart|Lab Grown|IGI

1.55ct F VS1 Heart Lab Grown Diamond

EX • F/VS1 • IGI LG766601643

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG766601643

Diamond specifications and retailer prices

From $253 USD
As of November 2, 2026
Save $980 USD (79%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,620 USD at Brilliant Earth · As of October 16, 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 LG766601643 or 766601643. Listed at 23 retailers as of November 2, 2026, with a 387% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766601643
Dimensions7.24 × 7.89 × 4.72 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.24 mm7.89 mm1.55 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766601643
Side View
Table 64.0%Crown 37.2°Girdle: MED-STKPavilion 42.3°Culet: NoneDepth 59.8%

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 2
Current: $1,620 USD|Low: $243 USD|High: $1,620 USD|Avg: $596 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12$253 USD
Retailer 4$313 USD
Retailer 6$364 USD
Retailer 3$440 USD
Retailer 11$475 USD
Retailer 5$505 USD
Retailer 2$530 USD
Retailer 7$591 USD
Retailer 8$733 USD
Retailer 9$798 USD
Retailer 10$1,262 USD
Brilliant Earth$1,620 USD

37 data points across 12 retailers

23 retailers$253 USD to $1,233 USD

A
Cheapest Retailer
-
$253 USD
A
Retailer 2
-
$293 USD
View
A
Retailer 3
-
$313 USD
View
Retailer 4
-
$313 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$364 USD
View
B+
Retailer 6
-
$440 USD
View
A
Retailer 7
-
$475 USD
View
A
Retailer 8
-
$505 USD
View
A
Retailer 9
-
$530 USD
View
A
Retailer 10
-
$546 USD
View
B+
Retailer 11
-
$591 USD
View
B+
Retailer 12
-
$653 USD
View
B+
Retailer 13
-
$733 USD
View
B+
Retailer 14
-
$798 USD
View
B
Retailer 15
-
$962 USD
View
B
Retailer 16
-
$986 USD
View
B
Retailer 17
-
$1,007 USD
View
B
Retailer 18
-
$1,011 USD
View
B
Retailer 19
-
$1,058 USD
View
B
Retailer 20
-
$1,233 USD
View
Retailer 21
-
$1,262 USD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
18204873A · Oct 16
$1,620 USD
View
Price last confirmed 21 days ago
21 more retailers have this diamond
Prices start from $253 USDSave up to $980 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
$253 USD