CaratHunter
Plans
Heart|Lab Grown|IGI

0.40ct D VVS2 Heart Lab Grown Diamond

ID • D/VVS2 • IGI LG800671558

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800671558

Diamond specifications and retailer prices

From £78 GBP
$104 USD
As of October 30, 2026
Save £276 GBP (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £809 GBP at MOH London · As of October 29, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG800671558 or 800671558. Listed at 12 retailers as of October 29, 2026, with a 355% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.9°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800671558
Dimensions4.51 × 5.05 × 2.99 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.51 mm5.05 mm0.40 ctD / VVS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG800671558
Side View
Table 69.0%Crown 38.9°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 59.2%

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: £809 GBP|Low: £75 GBP|High: £814 GBP|Avg: £229 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4£78 GBP
Retailer 6£87 GBP
Retailer 5£90 GBP
Retailer 8£102 GBP
Retailer 10£136 GBP
Retailer 9£173 GBP
Retailer 2£189 GBP
Retailer 3£247 GBP
Retailer 7£321 GBP
MOH London£809 GBP

43 data points across 10 retailers

12 retailers£78 GBP to £353 GBP

A
Cheapest Retailer
-
£78 GBP
$104 USD
A
Retailer 2
-
£87 GBP
$117 USD
View
Final sale: no returns
A
Retailer 3
-
£90 GBP
$121 USD
View
A
Retailer 4
-
£102 GBP
$137 USD
View
A
Retailer 5
-
£115 GBP
HK$1,200 HKD
View
A
Retailer 6
-
£136 GBP
$182 USD
View
B+
Retailer 7
-
£173 GBP
$232 USD
View
B+
Retailer 8
-
£189 GBP
View
B+
Retailer 9
-
£247 GBP
View
B
Retailer 10
-
£271 GBP
SGD 491 SGD
View
B
Retailer 11
-
£353 GBP
$473 USD
View
Most Expensive
MOH London
LG800671558 · Oct 29
£809 GBP
View
Price under review
11 more retailers have this diamond
Prices start from £78 GBPSave up to £276 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
£78 GBP