Heart|Lab Grown|IGI

1.54ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG811645841

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811645841

Diamond specifications and retailer prices

From $1,184 USD
As of November 1, 2026
Save $3,100 USD (72%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,284 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 LG811645841 or 811645841. Listed at 11 retailers as of October 31, 2026, with prices from $1,184 to $4,284, a $3,100 spread on the same certified stone. Taylor and Hart lists it at $4,284. 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 angle35.5°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811645841
Dimensions8.08 × 7.20 × 4.64 mm
L/W Ratio1.12
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
8.08 mm7.20 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811645841
Side View
Table 59.0%Crown 35.5°Girdle: THN-STKPavilion 38.6°Culet: NoneDepth 57.4%

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 1
Current: $1,777 USD|Low: $1,184 USD|High: $4,284 USD|Avg: $2,346 USD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
November 2, 2026
Retailer 2$1,184 USD
Retailer 10$1,303 USD
Retailer 6$1,305 USD
Retailer 9$1,502 USD
Retailer 5$1,755 USD
Retailer 1$1,777 USD
Retailer 4$2,255 USD
Retailer 8$2,564 USD
Retailer 7$3,804 USD
Retailer 3$4,161 USD
Taylor and Hart$4,284 USD

40 data points across 11 retailers

11 retailers$1,184 USD to $4,284 USD

A
Cheapest Retailer
-
$1,184 USD
Final sale: no returns
A
Retailer 2
-
$1,303 USD
View
A
Retailer 3
-
$1,305 USD
View
B+
Retailer 4
-
$1,502 USD
View
B+
Retailer 5
-
$1,755 USD
View
B+
Retailer 6
-
$1,777 USD
£1,399 GBP
View
B+
Retailer 7
-
$2,255 USD
ZAR 36,436 ZAR
View
B
Retailer 8
-
$2,564 USD
View
B
Retailer 9
-
$3,804 USD
View
B
Retailer 10
-
$4,161 USD
£3,276 GBP
View
Most Expensive
B
Taylor and Hart
3BHTTXW · Oct 31
$4,284 USD
View
10 more retailers have this diamond
Prices start from $1,184 USDSave up to $3,100 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
$1,184 USD