Heart|Lab Grown|IGI

1.54ct D IF Heart Lab Grown Diamond

VG • D/IF • IGI LG851609353

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG851609353

Diamond specifications and retailer prices

From $369 USD
As of October 30, 2026
Save $2,451 USD (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,820 USD at Brilliant Earth · As of October 30, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG851609353 or 851609353. Listed at 14 retailers as of October 30, 2026, with prices from $369 to $2,820, a $2,451 spread on the same certified stone. Brilliant Earth lists it at $2,820. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
D
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851609353
Dimensions7.19 × 7.98 × 4.53 mm
L/W Ratio1.11
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
7.19 mm7.98 mm1.54 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851609353
Side View
Table 58.0%Crown 37.4°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 56.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $2,820 USD|Low: $369 USD|High: $3,260 USD|Avg: $957 USD|-13.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 12$369 USD
Retailer 14$413 USD
Retailer 4$457 USD
Retailer 3$485 USD
Retailer 6$499 USD
Retailer 8$605 USD
Retailer 13$612 USD
Retailer 10$712 USD
Retailer 2$722 USD
Retailer 7$826 USD
Retailer 9$1,341 USD
Retailer 5$1,454 USD
Retailer 11$1,587 USD
Brilliant Earth$2,820 USD

4 data points across 14 retailers

14 retailers$369 USD to $2,820 USD

A
Cheapest Retailer
-
$369 USD
A
Retailer 2
-
$413 USD
View
Final sale: no returns
A
Retailer 3
-
$457 USD
View
A
Retailer 4
-
$485 USD
£382 GBP
View
A
Retailer 5
-
$499 USD
HK$3,900 HKD
View
A
Retailer 6
-
$605 USD
View
A
Retailer 7
-
$612 USD
View
A
Retailer 8
-
$712 USD
View
A
Retailer 9
-
$722 USD
€688 EUR
View
A
Retailer 10
-
$826 USD
£650 GBP
View
B+
Retailer 11
-
$1,341 USD
View
B+
Retailer 12
-
$1,454 USD
SGD 1,965 SGD
View
B+
Retailer 13
-
$1,587 USD
View
Most Expensive
B
Brilliant Earth
22347510A · Oct 30
$2,820 USD
View
13 more retailers have this diamond
Prices start from $369 USDSave up to $2,451 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
$369 USD