Heart|Lab Grown|IGI

1.50ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG651443995

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG651443995

Diamond specifications and retailer prices

From €280 EUR
$313 USD
As of October 30, 2026
Save €1,225 EUR (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,488 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG651443995 or 651443995. Listed at 15 retailers as of October 29, 2026, with a 437% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651443995
Dimensions7.38 × 8.00 × 4.63 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.38 mm8.00 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG651443995
Side View
Table 61.0%Crown 32°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 57.9%

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: €2,488 EUR|Low: €269 EUR|High: €2,488 EUR|Avg: €788 EUR
Do Amore 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 31, 2026
Retailer 12€280 EUR
Retailer 2€319 EUR
Retailer 3€325 EUR
Retailer 8€343 EUR
Retailer 4€347 EUR
Retailer 13€347 EUR
Retailer 5€446 EUR
Retailer 9€492 EUR
Retailer 7€540 EUR
Retailer 6€828 EUR
Retailer 11€1,018 EUR
Retailer 14€1,232 EUR
Retailer 10€1,505 EUR
Do Amore Diamonds€2,488 EUR

43 data points across 14 retailers

15 retailers€280 EUR to €1,505 EUR

A
Cheapest Retailer
-
€280 EUR
$313 USD
A
Retailer 2
-
€319 EUR
$356 USD
View
A
Retailer 3
-
€325 EUR
$363 USD
View
B+
Retailer 4
-
€343 EUR
$383 USD
View
A
Retailer 5
-
€347 EUR
$388 USD
View
A
Retailer 6
-
€347 EUR
$388 USD
View
B+
Retailer 7
-
€446 EUR
$498 USD
View
B+
Retailer 8
-
€488 EUR
$545 USD
View
B+
Retailer 9
-
€492 EUR
£433 GBP
View
B+
Retailer 10
-
€540 EUR
£475 GBP
View
B
Retailer 11
-
€828 EUR
$925 USD
View
B
Retailer 12
-
€1,018 EUR
$1,137 USD
View
B
Retailer 13
-
€1,232 EUR
$1,376 USD
View
B
Retailer 14
-
€1,505 EUR
£1,324 GBP
View
Most Expensive
Do Amore Diamonds
27-6F0DC2DFA · Oct 31
€2,488 EUR
$2,780 USD
View
Price under review
14 more retailers have this diamond
Prices start from €280 EURSave up to €1,225 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
€280 EUR