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Heart|Lab Grown|IGI

1.23ct F VS1 Heart Lab Grown Diamond

EX • F/VS1 • IGI LG835622468

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG835622468

Diamond specifications and retailer prices

From €180 EUR
$202 USD
As of November 1, 2026
Save €98 EUR (35%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €278 EUR at Loose Grown Diamond · As of November 1, 2026
View at Loose Grown Diamond

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835622468 or 835622468. Listed at 2 retailers as of November 1, 2026, with prices from €180 to €278, a €98 spread on the same certified stone. Loose Grown Diamond lists it at €278. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835622468
Dimensions6.42 × 7.48 × 4.43 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.42 mm7.48 mm1.23 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835622468
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 59.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €278 EUR|Low: €180 EUR|High: €722 EUR|Avg: €435 EUR|-19.6%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 22, 2026
Retailer 2€180 EUR
Loose Grown Diamond€278 EUR
Retailer 4€352 EUR
Retailer 3€388 EUR
Retailer 5€400 EUR
Retailer 6€722 EUR

11 data points across 6 retailers

2 retailers€180 EUR to €278 EUR

A
Cheapest Retailer
-
€180 EUR
$202 USD
Final sale: no returns
Most Expensive
B+
Loose Grown Diamond
835622468 · Nov 1
€278 EUR
$312 USD
View
1 more retailer has this diamond
Prices start from €180 EURSave up to €98 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.

A
1.23ct Heart
€180 EUR