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Heart|Lab Grown|IGI

0.40ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG803661917

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG803661917

Diamond specifications and retailer prices

From £65 GBP
$87 USD
As of October 23, 2026
Save £533 GBP (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £598 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 top-tier cut grade and certified by IGI LG803661917 or 803661917. Listed at 15 retailers as of October 23, 2026, with prices from £65 to £598, a £533 spread on the same certified stone. MOH London lists it at £598. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle26.9°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803661917
Dimensions5.60 × 5.20 × 2.60 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.60 mm5.20 mm0.40 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG803661917
Side View
Table 68.0%Crown 26.9°Girdle: THN-MEDPavilion 35.8°Culet: NoneDepth 46.4%

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 23
Current: £598 GBP|Low: £65 GBP|High: £621 GBP|Avg: £206 GBP|-2.5%
MOH London
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
Retailer 15
October 27, 2026
Retailer 12£65 GBP
Retailer 10£76 GBP
Retailer 14£86 GBP
Retailer 7£96 GBP
Retailer 9£144 GBP
Retailer 2£148 GBP
Retailer 13£154 GBP
Retailer 15£173 GBP
Retailer 6£233 GBP
Retailer 5£233 GBP
Retailer 8£236 GBP
Retailer 3£253 GBP
Retailer 11£261 GBP
Retailer 4£306 GBP
MOH London£598 GBP

42 data points across 15 retailers

15 retailers£65 GBP to £598 GBP

A
Cheapest Retailer
-
£65 GBP
$87 USD
A
Retailer 2
-
£76 GBP
$101 USD
View
A
Retailer 3
-
£86 GBP
$115 USD
View
A
Retailer 4
-
£96 GBP
HK$1,000 HKD
View
Retailer 5
-
£144 GBP
ZAR 3,108 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 6
-
£148 GBP
View
B+
Retailer 7
-
£154 GBP
€195 EUR
View
B+
Retailer 8
-
£173 GBP
$231 USD
View
B
Retailer 9
-
£233 GBP
$310 USD
View
B
Retailer 10
-
£233 GBP
SGD 419 SGD
View
B
Retailer 11
-
£236 GBP
View
B
Retailer 12
-
£253 GBP
$337 USD
View
B
Retailer 13
-
£261 GBP
$348 USD
View
B
Retailer 14
-
£306 GBP
$407 USD
View
Most Expensive
B
MOH London
LG803661917 · Oct 26
£598 GBP
View
14 more retailers have this diamond
Prices start from £65 GBPSave up to £533 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
£65 GBP