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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 €321 EUR
$359 USD
As of October 30, 2026
Save €2,534 EUR (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €3,053 EUR 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: €3,053 EUR|Low: €315 EUR|High: €3,059 EUR|Avg: €1,331 EUR|+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
November 1, 2026
Retailer 11€321 EUR
Retailer 2€465 EUR
Retailer 4€573 EUR
Retailer 14€638 EUR
Retailer 7€719 EUR
Retailer 5€724 EUR
Retailer 9€1,025 EUR
Retailer 6€1,063 EUR
Retailer 12€1,169 EUR
Retailer 3€1,415 EUR
Retailer 10€1,729 EUR
Retailer 8€2,435 EUR
Retailer 13€2,855 EUR
Novita Diamonds€3,053 EUR

32 data points across 14 retailers

14 retailers€321 EUR to €2,855 EUR

A
Cheapest Retailer
-
€321 EUR
$359 USD
A
Retailer 2
-
€465 EUR
£409 GBP
View
A
Retailer 3
-
€573 EUR
$640 USD
View
A
Retailer 4
-
€638 EUR
$713 USD
View
A
Retailer 5
-
€719 EUR
View
A
Retailer 6
-
€724 EUR
$809 USD
View
A
Retailer 7
-
€1,025 EUR
A$1,762 AUD
View
B+
Retailer 8
-
€1,063 EUR
$1,188 USD
View
B+
Retailer 9
-
€1,169 EUR
$1,306 USD
View
B+
Retailer 10
-
€1,415 EUR
$1,581 USD
View
B+
Retailer 11
-
€1,729 EUR
£1,521 GBP
View
B
Retailer 12
-
€2,435 EUR
$2,720 USD
View
B
Retailer 13
-
€2,855 EUR
$3,190 USD
View
Most Expensive
Novita Diamonds
cert_837646992 · Oct 8
€3,053 EUR
A$5,247 AUD
View
Price last confirmed 23 days ago
13 more retailers have this diamond
Prices start from €321 EURSave up to €2,534 EUR

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
€321 EUR