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Heart|Lab Grown|IGI

1.21ct F VVS1 Heart Lab Grown Diamond

ID • F/VVS1 • IGI LG816649122

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816649122

Diamond specifications and retailer prices

From €458 EUR
As of November 6, 2026
Save €632 EUR (58%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €1,090 EUR at MOH London · As of November 5, 2026
View at MOH London

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816649122 or 816649122. Listed at 6 retailers as of November 5, 2026, with prices from €458 to €1,090, a €632 spread on the same certified stone. MOH London lists it at €1,090. 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
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816649122
Dimensions7.17 × 6.44 × 4.51 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.17 mm6.44 mm1.21 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816649122
Side View
Table 59.0%Crown 33.6°Girdle: Slightly ThickPavilion 41.3°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €1,090 EUR|Low: €435 EUR|High: €1,106 EUR|Avg: €676 EUR|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3€458 EUR
Retailer 2€511 EUR
Retailer 5€524 EUR
Retailer 4€553 EUR
Retailer 6€923 EUR
MOH London€1,090 EUR

42 data points across 6 retailers

6 retailers€458 EUR to €1,090 EUR

B+
Cheapest Retailer
-
€458 EUR
B+
Retailer 2
-
€511 EUR
View
B+
Retailer 3
-
€524 EUR
View
B+
Retailer 4
-
€553 EUR
View
B
Retailer 5
-
€923 EUR
View
Most Expensive
B
MOH London
LG816649122 · Nov 5
€1,090 EUR
£958 GBP
View
5 more retailers have this diamond
Prices start from €458 EURSave up to €632 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+
1.21ct Heart
€458 EUR