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 €202 EUR
As of November 6, 2026
Save €846 EUR (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,075 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 November 5, 2026, with a 420% 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €1,075 EUR|Low: €202 EUR|High: €1,111 EUR|Avg: €563 EUR|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8€202 EUR
Retailer 4€305 EUR
Retailer 5€373 EUR
Retailer 6€403 EUR
Retailer 2€408 EUR
Retailer 7€725 EUR
Retailer 3€1,048 EUR
Brilliant Earth€1,075 EUR

42 data points across 8 retailers

14 retailers€202 EUR to €1,048 EUR

Retailer 1
-
€181 EUR
Price last confirmed 29 days ago
A
Retailer 2
-
€202 EUR
View
Final sale: no returns
Retailer 3
-
€210 EUR
View
Price last confirmed 38 days ago
Retailer 4
-
€225 EUR
View
Price last confirmed 34 days ago
Retailer 5
-
€225 EUR
View
Price last confirmed 25 days ago
B+
Retailer 6
-
€305 EUR
View
A
Retailer 7
-
€373 EUR
View
A
Retailer 8
-
€403 EUR
View
B+
Retailer 9
-
€408 EUR
View
Retailer 10
-
€723 EUR
View
Price last confirmed 37 days ago
B
Retailer 11
-
€725 EUR
View
B
Retailer 12
-
€770 EUR
View
B
Retailer 13
-
€1,048 EUR
View
Most Expensive
Brilliant Earth
21109587A · Oct 28
€1,075 EUR
$1,200 USD
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from €202 EURSave up to €846 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
€202 EUR