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Heart|Lab Grown|IGI

1.21ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG620414201

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG620414201

Diamond specifications and retailer prices

From €242 EUR
$270 USD
As of October 30, 2026
Save €1,093 EUR (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,148 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620414201 or 620414201. Listed at 19 retailers as of October 29, 2026, with a 452% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620414201
Dimensions6.45 × 7.39 × 4.33 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
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
6.45 mm7.39 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620414201
Side View
Table 59.0%Crown 34.9°Girdle: MED-VTKPavilion 41.2°Culet: NoneDepth 58.6%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: €2,148 EUR|Low: €232 EUR|High: €2,148 EUR|Avg: €704 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 3€242 EUR
Retailer 15€270 EUR
Retailer 7€281 EUR
Retailer 5€300 EUR
Retailer 8€398 EUR
Retailer 14€443 EUR
Retailer 12€445 EUR
Retailer 11€569 EUR
Retailer 2€587 EUR
Retailer 9€610 EUR
Retailer 4€787 EUR
Retailer 13€922 EUR
Retailer 6€1,064 EUR
Retailer 16€1,267 EUR
Retailer 10€1,335 EUR
Do Amore Diamonds€2,148 EUR

43 data points across 16 retailers

19 retailers€242 EUR to €1,335 EUR

A
Cheapest Retailer
-
€242 EUR
$270 USD
A
Retailer 2
-
€270 EUR
$302 USD
View
Final sale: no returns
A
Retailer 3
-
€281 EUR
$314 USD
View
A
Retailer 4
-
€300 EUR
$335 USD
View
A
Retailer 5
-
€337 EUR
$377 USD
View
B+
Retailer 6
-
€398 EUR
$445 USD
View
B+
Retailer 7
-
€401 EUR
$448 USD
View
B+
Retailer 8
-
€443 EUR
$495 USD
View
Retailer 9
-
€445 EUR
£391 GBP
View
Price last confirmed 16 days ago
B+
Retailer 10
-
€569 EUR
ZAR 10,269 ZAR
View
B+
Retailer 11
-
€587 EUR
£517 GBP
View
B+
Retailer 12
-
€610 EUR
A$1,048 AUD
View
Retailer 13
-
€787 EUR
A$1,353 AUD
View
Price last confirmed 25 days ago
B
Retailer 14
-
€922 EUR
$1,030 USD
View
B
Retailer 15
-
€1,064 EUR
$1,189 USD
View
B
Retailer 16
-
€1,212 EUR
$1,354 USD
View
B
Retailer 17
-
€1,267 EUR
$1,415 USD
View
B
Retailer 18
-
€1,335 EUR
£1,174 GBP
View
Most Expensive
Do Amore Diamonds
27-464302B3E · Oct 31
€2,148 EUR
$2,400 USD
View
Price under review
18 more retailers have this diamond
Prices start from €242 EURSave up to €1,093 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
€242 EUR