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Heart|Lab Grown|IGI

1.45ct D SI1 Heart Lab Grown Diamond

VG • D/SI1 • IGI LG694599796

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG694599796

Diamond specifications and retailer prices

From £176 GBP
As of November 6, 2026
Save £700 GBP (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £877 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.45ct lab-grown heart diamond

This 1.45ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG694599796 or 694599796. Listed at 10 retailers as of November 2, 2026, with prices from £176 to £877, a £700 spread on the same certified stone. MOH London lists it at £877. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.45
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694599796
Dimensions7.22 × 7.54 × 4.51 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.22 mm7.54 mm1.45 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG694599796
Side View
Table 54.0%Crown 37.7°Girdle: THK-VTKPavilion 40.8°Culet: NoneDepth 59.8%

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: £877 GBP|Low: £170 GBP|High: £887 GBP|Avg: £460 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5£176 GBP
Retailer 8£205 GBP
Retailer 6£219 GBP
Retailer 9£219 GBP
Retailer 2£350 GBP
Retailer 3£409 GBP
Retailer 7£703 GBP
Retailer 4£705 GBP
Retailer 10£742 GBP
MOH London£877 GBP

46 data points across 10 retailers

10 retailers£176 GBP to £877 GBP

A
Cheapest Retailer
-
£176 GBP
A
Retailer 2
-
£205 GBP
View
B+
Retailer 3
-
£219 GBP
View
Retailer 4
-
£219 GBP
View
Price last confirmed 12 days ago
B+
Retailer 5
-
£350 GBP
View
B+
Retailer 6
-
£409 GBP
View
B
Retailer 7
-
£703 GBP
View
B
Retailer 8
-
£705 GBP
View
B
Retailer 9
-
£742 GBP
View
Most Expensive
B
MOH London
LG694599796 · Nov 2
£877 GBP
View
9 more retailers have this diamond
Prices start from £176 GBPSave up to £700 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
1.45ct Heart
£176 GBP