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Heart|Lab Grown|IGI

1.54ct F IF Heart Lab Grown Diamond

EX • F/IF • IGI LG665407314

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG665407314

Diamond specifications and retailer prices

From $274 USD
As of November 4, 2026
Save $1,766 USD (87%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,040 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.54ct lab-grown heart diamond

This 1.54ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG665407314 or 665407314. Listed at 7 retailers as of November 4, 2026, with prices from $274 to $2,040, a $1,766 spread on the same certified stone. Brilliant Earth lists it at $2,040. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665407314
Dimensions7.13 × 8.29 × 4.64 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.13 mm8.29 mm1.54 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665407314
Side View
Table 59.0%Crown 33.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 56.0%

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 4
Current: $2,040 USD|Low: $274 USD|High: $3,140 USD|Avg: $1,080 USD|-35.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 6$274 USD
Retailer 7$475 USD
Retailer 2$547 USD
Retailer 4$953 USD
Retailer 5$1,012 USD
Retailer 3$1,176 USD
Brilliant Earth$2,040 USD

44 data points across 7 retailers

7 retailers$274 USD to $2,040 USD

A
Cheapest Retailer
-
$274 USD
Final sale: no returns
A
Retailer 2
-
$547 USD
View
B+
Retailer 3
-
$953 USD
View
B+
Retailer 4
-
$1,012 USD
View
B+
Retailer 5
-
$1,047 USD
View
B+
Retailer 6
-
$1,176 USD
View
Most Expensive
B
Brilliant Earth
15002185A · Nov 4
$2,040 USD
View
6 more retailers have this diamond
Prices start from $274 USDSave up to $1,766 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
1.54ct Heart
$274 USD