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Heart|Lab Grown|IGI

1.50ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG837646992

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837646992

Diamond specifications and retailer prices

From $359 USD
As of October 30, 2026
Save $2,831 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,411 USD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 1.5ct lab-grown heart diamond

This 1.5ct 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 LG837646992 or 837646992. Listed at 14 retailers as of October 30, 2026, with a 789% 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

1.50
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837646992
Dimensions7.62 × 7.06 × 4.77 mm
L/W Ratio1.08
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
7.62 mm7.06 mm1.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837646992
Side View
Table 56.0%Crown 35.3°Girdle: STK-VTKPavilion 41°Culet: NoneDepth 62.6%

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 30
Current: $3,411 USD|Low: $352 USD|High: $3,418 USD|Avg: $1,489 USD|+2.8%
Novita Diamonds
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 30, 2026
Retailer 11$359 USD
Retailer 7$522 USD
Retailer 4$640 USD
Retailer 14$713 USD
Retailer 9$809 USD
Retailer 5$809 USD
Retailer 8$1,145 USD
Retailer 6$1,188 USD
Retailer 12$1,306 USD
Retailer 3$1,581 USD
Retailer 10$1,932 USD
Retailer 2$2,720 USD
Retailer 13$3,190 USD
Novita Diamonds$3,411 USD

30 data points across 14 retailers

14 retailers$359 USD to $3,190 USD

A
Cheapest Retailer
-
$359 USD
A
Retailer 2
-
$522 USD
£411 GBP
View
A
Retailer 3
-
$640 USD
View
A
Retailer 4
-
$713 USD
View
A
Retailer 5
-
$809 USD
€770 EUR
View
A
Retailer 6
-
$809 USD
View
A
Retailer 7
-
$1,145 USD
A$1,762 AUD
View
B+
Retailer 8
-
$1,188 USD
View
B+
Retailer 9
-
$1,306 USD
View
B+
Retailer 10
-
$1,581 USD
View
B+
Retailer 11
-
$1,932 USD
£1,521 GBP
View
B
Retailer 12
-
$2,720 USD
View
B
Retailer 13
-
$3,190 USD
View
Most Expensive
Novita Diamonds
cert_837646992 · Oct 8
$3,411 USD
A$5,247 AUD
View
Price last confirmed 22 days ago
13 more retailers have this diamond
Prices start from $359 USDSave up to $2,831 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
1.50ct Heart
$359 USD