Heart|Lab Grown|IGI

1.22ct H SI2 Heart Lab Grown Diamond

VG • H/SI2 • IGI LG654475450

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG654475450

Diamond specifications and retailer prices

From €2,086 EUR
$2,330 USD
As of October 26, 2026
Save €1,999 EUR (49%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €4,084 EUR at MOH London · As of October 26, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG654475450 or 654475450. Listed at 5 retailers as of October 26, 2026, with prices from €2,086 to €4,084, a €1,999 spread on the same certified stone. MOH London lists it at €4,084. 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

1.22
Carat
H
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654475450
Dimensions6.57 × 7.44 × 4.15 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Top View
6.57 mm7.44 mm1.22 ctH / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654475450
Side View
Table 66.0%Crown 42.1°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 55.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 26
Current: €4,084 EUR|Low: €1,546 EUR|High: €5,991 EUR|Avg: €3,043 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 27, 2026
Retailer 4€1,546 EUR
Retailer 6€2,086 EUR
Retailer 5€2,148 EUR
Retailer 7€2,226 EUR
Retailer 2€2,309 EUR
Retailer 10€2,454 EUR
Retailer 9€2,770 EUR
Retailer 12€2,841 EUR
Retailer 3€3,761 EUR
Retailer 8€3,853 EUR
MOH London€4,084 EUR
Retailer 11€5,991 EUR

23 data points across 12 retailers

5 retailers€2,086 EUR to €4,084 EUR

B
Cheapest Retailer
-
€2,086 EUR
$2,330 USD
B
Retailer 2
-
€2,309 EUR
£2,031 GBP
View
B
Retailer 3
-
€2,454 EUR
$2,742 USD
View
Retailer 4
-
€2,686 EUR
$3,001 USD
View
Price last confirmed 46 days ago
Most Expensive
B
MOH London
3766EC76C · Oct 26
€4,084 EUR
£3,593 GBP
View
4 more retailers have this diamond
Prices start from €2,086 EURSave up to €1,999 EUR

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.

B
1.22ct Heart
€2,086 EUR