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Heart|Lab Grown|IGI

1.54ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663393

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846663393

Diamond specifications and retailer prices

From $635 USD
As of October 30, 2026
Save $3,701 USD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,336 USD at With Clarity · As of November 2, 2026
View at With Clarity

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663393 or 846663393. Listed at 14 retailers as of October 30, 2026, with prices from $635 to $4,336, a $3,701 spread on the same certified stone. With Clarity lists it at $4,336. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663393
Dimensions7.20 × 7.44 × 4.78 mm
L/W Ratio1.03
Girdle conditionFaceted
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
7.20 mm7.44 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663393
Side View
Table 57.0%Crown 35.6°Girdle: STK-THKPavilion 41°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $832 USD|Low: $635 USD|High: $4,930 USD|Avg: $1,950 USD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
November 1, 2026
Retailer 8$635 USD
Retailer 4$691 USD
Retailer 1$832 USD
Retailer 11$892 USD
Retailer 9$915 USD
Retailer 3$1,204 USD
Retailer 2$1,209 USD
Retailer 5$1,441 USD
Retailer 7$1,881 USD
Retailer 13$2,070 USD
Retailer 12$2,898 USD
Retailer 10$3,118 USD
Retailer 6$3,880 USD
With Clarity$4,336 USD

6 data points across 14 retailers

14 retailers$635 USD to $4,336 USD

A
Cheapest Retailer
-
$635 USD
A
Retailer 2
-
$691 USD
View
A
Retailer 3
-
$832 USD
£655 GBP
View
A
Retailer 4
-
$892 USD
View
A
Retailer 5
-
$915 USD
View
B+
Retailer 6
-
$1,204 USD
View
B+
Retailer 7
-
$1,209 USD
View
Retailer 8
-
$1,441 USD
€1,372 EUR
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$1,881 USD
View
B
Retailer 10
-
$2,070 USD
View
B
Retailer 11
-
$2,898 USD
View
B
Retailer 12
-
$3,118 USD
£2,455 GBP
View
B
Retailer 13
-
$3,880 USD
View
Most Expensive
B
With Clarity
846663393 · Nov 2
$4,336 USD
View
13 more retailers have this diamond
Prices start from $635 USDSave up to $3,701 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
$635 USD