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Heart|Lab Grown|IGI

1.22ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG814635504

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG814635504

Diamond specifications and retailer prices

From £246 GBP
As of November 4, 2026
Save £615 GBP (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £861 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.22ct lab-grown heart diamond

This 1.22ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG814635504 or 814635504. Listed at 10 retailers as of November 4, 2026, with prices from £246 to £861, a £615 spread on the same certified stone. MOH London lists it at £861. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814635504
Dimensions7.60 × 6.54 × 4.17 mm
L/W Ratio1.16
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.60 mm6.54 mm1.22 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814635504
Side View
Table 59.0%Crown 40.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 54.9%

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 4
Current: £861 GBP|Low: £97 GBP|High: £874 GBP|Avg: £392 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 11£97 GBP
Retailer 8£184 GBP
Retailer 7£246 GBP
Retailer 4£319 GBP
Retailer 2£335 GBP
Retailer 10£350 GBP
Retailer 9£366 GBP
Retailer 5£442 GBP
Retailer 6£587 GBP
Retailer 3£633 GBP
MOH London£861 GBP

43 data points across 11 retailers

10 retailers£246 GBP to £861 GBP

Retailer 1
-
£184 GBP
Price last confirmed 20 days ago
B+
Retailer 2
-
£246 GBP
View
A
Retailer 3
-
£319 GBP
View
B+
Retailer 4
-
£335 GBP
View
B+
Retailer 5
-
£350 GBP
View
B+
Retailer 6
-
£366 GBP
View
B+
Retailer 7
-
£442 GBP
View
Retailer 8
-
£587 GBP
View
Price last confirmed 7 days ago
B
Retailer 9
-
£633 GBP
View
Most Expensive
B
MOH London
LG814635504 · Nov 5
£861 GBP
View
9 more retailers have this diamond
Prices start from £246 GBPSave up to £615 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
1.22ct Heart
£246 GBP