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Heart|Lab Grown|IGI

1.50ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG830660467

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830660467

Diamond specifications and retailer prices

From €201 EUR
$225 USD
As of October 30, 2026
Save €873 EUR (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,074 EUR at Brilliant Earth · As of October 28, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG830660467 or 830660467. Listed at 14 retailers as of October 28, 2026, with prices from €201 to €1,074, a €873 spread on the same certified stone. Brilliant Earth lists it at €1,074. 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
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830660467
Dimensions7.96 × 7.37 × 4.29 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.96 mm7.37 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830660467
Side View
Table 62.0%Crown 35.3°Girdle: STK-THKPavilion 36.2°Culet: NoneDepth 53.9%

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: €1,074 EUR|Low: €143 EUR|High: €1,110 EUR|Avg: €583 EUR|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8€201 EUR
Retailer 3€373 EUR
Retailer 5€389 EUR
Retailer 6€403 EUR
Retailer 2€413 EUR
Retailer 7€725 EUR
Retailer 9€770 EUR
Retailer 4€1,052 EUR
Brilliant Earth€1,074 EUR

40 data points across 9 retailers

14 retailers€201 EUR to €1,074 EUR

Retailer 1
-
€181 EUR
$202 USD
Price last confirmed 23 days ago
A
Retailer 2
-
€201 EUR
$225 USD
View
Final sale: no returns
Retailer 3
-
€210 EUR
$235 USD
View
Price last confirmed 33 days ago
Retailer 4
-
€225 EUR
$251 USD
View
Price last confirmed 29 days ago
Retailer 5
-
€225 EUR
$251 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
€373 EUR
View
B+
Retailer 7
-
€389 EUR
$435 USD
View
A
Retailer 8
-
€403 EUR
$450 USD
View
B+
Retailer 9
-
€413 EUR
£363 GBP
View
Retailer 10
-
€722 EUR
$807 USD
View
Price last confirmed 31 days ago
B
Retailer 11
-
€725 EUR
$810 USD
View
B
Retailer 12
-
€770 EUR
$860 USD
View
B
Retailer 13
-
€1,052 EUR
£925 GBP
View
Most Expensive
B
Brilliant Earth
21109587A · Oct 28
€1,074 EUR
$1,200 USD
View
13 more retailers have this diamond
Prices start from €201 EURSave up to €873 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
€201 EUR