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Heart|Lab Grown|IGI

1.54ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG749573309

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG749573309

Diamond specifications and retailer prices

From $1,636 USD
As of October 26, 2026
Save $2,234 USD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,870 USD at Brilliant Earth · As of October 28, 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG749573309 or 749573309. Listed at 7 retailers as of October 26, 2026, with prices from $1,636 to $3,870, a $2,234 spread on the same certified stone. Brilliant Earth lists it at $3,870. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749573309
Dimensions7.14 × 7.98 × 4.70 mm
L/W Ratio1.12
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
7.14 mm7.98 mm1.54 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749573309
Side View
Table 57.0%Crown 37.6°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 58.9%

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: Oct 26
Current: $3,870 USD|Low: $610 USD|High: $6,770 USD|Avg: $2,566 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 26, 2026
Retailer 9$854 USD
Retailer 5$1,102 USD
Retailer 2$1,636 USD
Retailer 3$1,790 USD
Retailer 4$1,942 USD
Retailer 10$1,947 USD
Retailer 8$1,975 USD
Retailer 11$2,003 USD
Retailer 6$3,150 USD
Brilliant Earth$3,870 USD
Retailer 12$4,166 USD
Retailer 7$5,120 USD

17 data points across 12 retailers

7 retailers$1,636 USD to $3,870 USD

A
Retailer 1
-
$577 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$829 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$1,102 USD
View
Price last confirmed 17 days ago
B+
Retailer 4
-
$1,636 USD
View
B+
Retailer 5
-
$2,077 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
$3,150 USD
£2,480 GBP
View
Price last confirmed 18 days ago
Most Expensive
B
Brilliant Earth
21406328Y · Oct 28
$3,870 USD
View
6 more retailers have this diamond
Prices start from $1,636 USDSave up to $2,234 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
$1,636 USD