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Heart|Lab Grown|IGI

1.21ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG823696106

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823696106

Diamond specifications and retailer prices

From €451 EUR
A$778 AUD
As of November 2, 2026
3 retailers carry this diamond
Most expensive: €451 EUR at GemTrove
View at GemTrove

About this 1.21ct lab-grown heart diamond

This 1.21ct 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 LG823696106 or 823696106. Listed at 3 retailers as of November 2, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823696106
Dimensions6.66 × 7.22 × 4.46 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
6.66 mm7.22 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823696106
Side View
Table 57.0%Crown 32.4°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: €451 EUR|Low: €228 EUR|High: €713 EUR|Avg: €456 EUR
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 4€228 EUR
Retailer 9€275 EUR
Retailer 8€312 EUR
Retailer 11€325 EUR
Retailer 7€340 EUR
Retailer 2€350 EUR
Retailer 13€388 EUR
GemTrove€451 EUR
Retailer 10€519 EUR
Retailer 12€663 EUR
Retailer 5€664 EUR
Retailer 3€700 EUR
Retailer 6€713 EUR

4 data points across 13 retailers

3 retailers

Retailer 1
-
€228 EUR
HK$2,000 HKD
Price last confirmed 59 days ago
Retailer 2
-
€312 EUR
A$539 AUD
View
Price last confirmed 62 days ago
Most Expensive
B+
GemTrove
GT-L-01120937-98 · Nov 2
€451 EUR
A$778 AUD
View
2 more retailers have this diamond

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+
1.21ct Heart
€451 EUR