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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 $313 USD
As of October 30, 2026
Save $1,368 USD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,780 USD 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: $2,780 USD|Low: $300 USD|High: $2,780 USD|Avg: $881 USD
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
October 31, 2026
Retailer 10$313 USD
Retailer 13$363 USD
Retailer 6$383 USD
Retailer 3$388 USD
Retailer 11$388 USD
Retailer 4$498 USD
Retailer 7$550 USD
Retailer 2$604 USD
Retailer 5$925 USD
Retailer 9$1,137 USD
Retailer 12$1,376 USD
Retailer 8$1,681 USD
Do Amore Diamonds$2,780 USD

44 data points across 13 retailers

15 retailers$313 USD to $1,681 USD

A
Cheapest Retailer
-
$313 USD
A
Retailer 2
-
$363 USD
View
A
Retailer 3
-
$374 USD
View
B+
Retailer 4
-
$383 USD
View
A
Retailer 5
-
$388 USD
View
A
Retailer 6
-
$388 USD
View
B+
Retailer 7
-
$498 USD
View
B+
Retailer 8
-
$545 USD
View
B+
Retailer 9
-
$550 USD
£433 GBP
View
B
Retailer 10
-
$604 USD
£475 GBP
View
B
Retailer 11
-
$925 USD
View
B
Retailer 12
-
$1,137 USD
View
B
Retailer 13
-
$1,376 USD
View
B
Retailer 14
-
$1,681 USD
£1,324 GBP
View
Most Expensive
Do Amore Diamonds
27-6F0DC2DFA · Oct 31
$2,780 USD
View
Price under review
14 more retailers have this diamond
Prices start from $313 USDSave up to $1,368 USD

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
$313 USD