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Heart|Lab Grown|IGI

0.46ct D SI1 Heart Lab Grown Diamond

VG • D/SI1 • IGI LG847661748

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG847661748

Diamond specifications and retailer prices

From £86 GBP
HK$900 HKD
As of October 30, 2026
Save £432 GBP (83%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £518 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.46ct lab-grown heart diamond

This 0.46ct lab-grown heart sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG847661748 or 847661748. Listed at 4 retailers as of October 26, 2026, with prices from £86 to £518, a £432 spread on the same certified stone. MOH London lists it at £518. 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

0.46
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847661748
Dimensions4.74 × 5.38 × 3.08 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.74 mm5.38 mm0.46 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG847661748
Side View
Table 58.0%Crown 34°Girdle: MED-THKPavilion 39.6°CuletDepth 57.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £518 GBP|Low: £86 GBP|High: £518 GBP|Avg: £250 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
October 28, 2026
Retailer 2£86 GBP
Retailer 3£132 GBP
Retailer 4£157 GBP
MOH London£518 GBP

3 data points across 4 retailers

4 retailers£86 GBP to £518 GBP

A
Cheapest Retailer
-
£86 GBP
HK$900 HKD
B+
Retailer 2
-
£132 GBP
View
B+
Retailer 3
-
£157 GBP
$211 USD
View
Most Expensive
C
MOH London
LG847661748 · Oct 26
£518 GBP
View
3 more retailers have this diamond
Prices start from £86 GBPSave up to £432 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
0.46ct Heart
£86 GBP