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Heart|Lab Grown|IGI

1.50ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG623481707

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG623481707

Diamond specifications and retailer prices

From €360 EUR
$402 USD
As of October 30, 2026
Save €1,309 EUR (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,605 EUR at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG623481707 or 623481707. Listed at 18 retailers as of October 30, 2026, with a 364% 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
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623481707
Dimensions7.82 × 7.82 × 6.82 mm
L/W Ratio1.00
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
7.82 mm7.82 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623481707
Side View
Table 62.0%Crown 35°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €2,605 EUR|Low: €286 EUR|High: €2,748 EUR|Avg: €1,110 EUR|-5.2%
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
Retailer 15
Retailer 16
October 30, 2026
Retailer 15€360 EUR
Retailer 5€402 EUR
Retailer 3€446 EUR
Retailer 11€577 EUR
Retailer 14€600 EUR
Retailer 2€732 EUR
Retailer 10€766 EUR
Retailer 6€931 EUR
Retailer 13€1,037 EUR
Retailer 9€1,038 EUR
Retailer 4€1,433 EUR
Retailer 8€1,465 EUR
Retailer 7€1,644 EUR
Retailer 16€1,668 EUR
Retailer 12€1,751 EUR
Brilliant Earth€2,605 EUR

45 data points across 16 retailers

18 retailers€360 EUR to €1,668 EUR

A
Cheapest Retailer
-
€360 EUR
$402 USD
A
Retailer 2
-
€402 EUR
$449 USD
View
Final sale: no returns
A
Retailer 3
-
€403 EUR
$450 USD
View
A
Retailer 4
-
€446 EUR
$498 USD
View
A
Retailer 5
-
€446 EUR
$498 USD
View
A
Retailer 6
-
€577 EUR
$645 USD
View
A
Retailer 7
-
€600 EUR
$670 USD
View
A
Retailer 8
-
€732 EUR
£644 GBP
View
A
Retailer 9
-
€766 EUR
ZAR 13,825 ZAR
View
A
Retailer 10
-
€931 EUR
$1,040 USD
View
B+
Retailer 11
-
€1,037 EUR
$1,159 USD
View
A
Retailer 12
-
€1,038 EUR
A$1,784 AUD
View
B+
Retailer 13
-
€1,433 EUR
$1,601 USD
View
B+
Retailer 14
-
€1,465 EUR
$1,637 USD
View
B+
Retailer 15
-
€1,644 EUR
$1,837 USD
View
B+
Retailer 16
-
€1,668 EUR
$1,864 USD
View
Retailer 17
-
€1,751 EUR
£1,540 GBP
View
Price last confirmed 11 days ago
Most Expensive
Brilliant Earth
21385356A · Oct 8
€2,605 EUR
$2,910 USD
View
Price last confirmed 22 days ago
17 more retailers have this diamond
Prices start from €360 EURSave up to €1,309 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
€360 EUR