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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 £173 GBP
As of November 6, 2026
Save £1,486 GBP (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,659 GBP at Do Amore Diamonds · As of November 6, 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 November 6, 2026, with prices from £173 to £1,659, a £1,486 spread on the same certified stone. Do Amore Diamonds lists it at £1,659. 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
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: Nov 6
Current: £1,659 GBP|Low: £173 GBP|High: £2,077 GBP|Avg: £649 GBP|-20.1%
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
November 6, 2026
Retailer 11£173 GBP
Retailer 13£200 GBP
Retailer 14£214 GBP
Retailer 4£266 GBP
Retailer 5£286 GBP
Retailer 6£290 GBP
Retailer 2£300 GBP
Retailer 12£402 GBP
Retailer 7£445 GBP
Retailer 9£493 GBP
Retailer 10£691 GBP
Retailer 3£760 GBP
Retailer 8£944 GBP
Do Amore Diamonds£1,659 GBP

43 data points across 14 retailers

15 retailers£173 GBP to £1,659 GBP

A
Cheapest Retailer
-
£173 GBP
A
Retailer 2
-
£200 GBP
View
A
Retailer 3
-
£214 GBP
View
A
Retailer 4
-
£266 GBP
View
B+
Retailer 5
-
£286 GBP
View
Retailer 6
-
£290 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
£300 GBP
View
B+
Retailer 8
-
£402 GBP
View
Retailer 9
-
£407 GBP
View
Price last confirmed 6 days ago
B+
Retailer 10
-
£445 GBP
View
B+
Retailer 11
-
£493 GBP
View
B
Retailer 12
-
£691 GBP
View
B
Retailer 13
-
£760 GBP
View
B
Retailer 14
-
£944 GBP
View
Most Expensive
B
Do Amore Diamonds
27-6F0DC2DFA · Nov 6
£1,659 GBP
$2,220 USD
View
14 more retailers have this diamond
Prices start from £173 GBPSave up to £1,486 GBP

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
£173 GBP