CaratHunter
Plans
Heart|Lab Grown|IGI

0.40ct D VS1 Heart Lab Grown Diamond

VG • D/VS1 • IGI LG847661860

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG847661860

Diamond specifications and retailer prices

From £96 GBP
HK$1,000 HKD
As of October 29, 2026
Save £485 GBP (83%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £581 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.4ct lab-grown heart diamond

This 0.4ct lab-grown heart sits in the sub-half-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG847661860 or 847661860. Listed at 7 retailers as of October 26, 2026, with prices from £96 to £581, a £485 spread on the same certified stone. MOH London lists it at £581. 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

0.40
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle32.5°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847661860
Dimensions5.00 × 5.14 × 2.80 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.00 mm5.14 mm0.40 ctD / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG847661860
Side View
Table 58.0%Crown 32.5°Girdle: MED-STKPavilion 39°Culet: NoneDepth 54.5%

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 29
Current: £581 GBP|Low: £96 GBP|High: £581 GBP|Avg: £243 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4£96 GBP
Retailer 3£142 GBP
Retailer 2£151 GBP
Retailer 7£170 GBP
Retailer 6£229 GBP
Retailer 5£251 GBP
MOH London£581 GBP

4 data points across 7 retailers

7 retailers£96 GBP to £581 GBP

A
Cheapest Retailer
-
£96 GBP
HK$1,000 HKD
B+
Retailer 2
-
£142 GBP
View
B+
Retailer 3
-
£151 GBP
€192 EUR
View
B+
Retailer 4
-
£170 GBP
$226 USD
View
B
Retailer 5
-
£229 GBP
View
B
Retailer 6
-
£251 GBP
$334 USD
View
Most Expensive
C
MOH London
LG847661860 · Oct 26
£581 GBP
View
6 more retailers have this diamond
Prices start from £96 GBPSave up to £485 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
0.40ct Heart
£96 GBP