Heart|Lab Grown|IGI

1.23ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG849658462

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG849658462

Diamond specifications and retailer prices

From €294 EUR
$328 USD
As of October 30, 2026
Save €725 EUR (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,019 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG849658462 or 849658462. Listed at 5 retailers as of October 29, 2026, with prices from €294 to €1,019, a €725 spread on the same certified stone. MOH London lists it at €1,019. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849658462
Dimensions7.37 × 6.88 × 4.27 mm
L/W Ratio1.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.37 mm6.88 mm1.23 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849658462
Side View
Table 58.0%Crown 32.1°Girdle: MED-THKPavilion 41.7°Culet: NoneDepth 57.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: €1,019 EUR|Low: €294 EUR|High: €1,019 EUR|Avg: €520 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 5€294 EUR
Retailer 2€395 EUR
Retailer 3€401 EUR
Retailer 4€744 EUR
MOH London€1,019 EUR

7 data points across 5 retailers

5 retailers€294 EUR to €1,019 EUR

B+
Cheapest Retailer
-
€294 EUR
$328 USD
B+
Retailer 2
-
€395 EUR
£348 GBP
View
B+
Retailer 3
-
€401 EUR
$448 USD
View
B
Retailer 4
-
€744 EUR
$832 USD
View
Most Expensive
B
MOH London
LG849658462 · Oct 29
€1,019 EUR
£896 GBP
View
4 more retailers have this diamond
Prices start from €294 EURSave up to €725 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+
1.23ct Heart
€294 EUR