Heart|Lab Grown|IGI

1.21ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG812606560

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG812606560

Diamond specifications and retailer prices

From €439 EUR
$491 USD
As of November 1, 2026
Save €598 EUR (58%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,038 EUR at MOH London · As of November 1, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG812606560 or 812606560. Listed at 8 retailers as of November 1, 2026, with prices from €439 to €1,038, a €598 spread on the same certified stone. MOH London lists it at €1,038. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812606560
Dimensions7.19 × 6.44 × 4.39 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.19 mm6.44 mm1.21 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812606560
Side View
Table 62.0%Crown 39.8°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,038 EUR|Low: €417 EUR|High: €1,050 EUR|Avg: €703 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4€439 EUR
Retailer 5€474 EUR
Retailer 2€489 EUR
Retailer 7€529 EUR
Retailer 6€877 EUR
Retailer 8€879 EUR
Retailer 3€973 EUR
MOH London€1,038 EUR

42 data points across 8 retailers

8 retailers€439 EUR to €1,038 EUR

A
Cheapest Retailer
-
€439 EUR
$491 USD
B+
Retailer 2
-
€474 EUR
$529 USD
View
B+
Retailer 3
-
€489 EUR
£430 GBP
View
B+
Retailer 4
-
€529 EUR
$591 USD
View
B
Retailer 5
-
€879 EUR
$982 USD
View
B
Retailer 6
-
€895 EUR
$1,000 USD
View
Retailer 7
-
€973 EUR
A$1,672 AUD
View
Price last confirmed 7 days ago
Most Expensive
B
MOH London
LG812606560 · Nov 1
€1,038 EUR
£913 GBP
View
7 more retailers have this diamond
Prices start from €439 EURSave up to €598 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
1.21ct Heart
€439 EUR