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Heart|Lab Grown|IGI

1.54ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG768650525

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG768650525

Diamond specifications and retailer prices

From $642 USD
As of November 4, 2026
Save $2,178 USD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,504 USD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

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 top-tier cut grade and certified by IGI LG768650525 or 768650525. Listed at 12 retailers as of November 3, 2026, with a 339% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768650525
Dimensions7.07 × 7.76 × 4.74 mm
L/W Ratio1.10
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
7.07 mm7.76 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768650525
Side View
Table 58.0%Crown 36.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.1%

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: $3,504 USD|Low: $642 USD|High: $3,504 USD|Avg: $1,573 USD|+2.9%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 8$642 USD
Retailer 10$724 USD
Retailer 7$756 USD
Retailer 2$858 USD
Retailer 11$1,074 USD
Retailer 4$1,162 USD
Retailer 3$1,576 USD
Retailer 9$1,673 USD
Retailer 6$1,869 USD
Retailer 5$2,820 USD
Novita Diamonds$3,504 USD

45 data points across 11 retailers

12 retailers$642 USD to $2,820 USD

A
Cheapest Retailer
-
$642 USD
A
Retailer 2
-
$724 USD
View
A
Retailer 3
-
$756 USD
View
A
Retailer 4
-
$858 USD
View
A
Retailer 5
-
$1,074 USD
View
B+
Retailer 6
-
$1,162 USD
View
B+
Retailer 7
-
$1,576 USD
View
B+
Retailer 8
-
$1,673 USD
View
B+
Retailer 9
-
$1,869 USD
View
B
Retailer 10
-
$2,820 USD
View
B
Retailer 11
-
$2,820 USD
View
Most Expensive
Novita Diamonds
cert_768650525 · Oct 8
$3,504 USD
A$5,390 AUD
View
Price last confirmed 27 days ago
11 more retailers have this diamond
Prices start from $642 USDSave up to $2,178 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
$642 USD