Heart|Lab Grown|IGI

1.21ct E VS1 Heart Lab Grown Diamond

VG • E/VS1 • IGI LG845614899

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG845614899

Diamond specifications and retailer prices

From €212 EUR
$237 USD
As of October 30, 2026
Save €815 EUR (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,027 EUR at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.21ct lab-grown heart diamond

This 1.21ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG845614899 or 845614899. Listed at 10 retailers as of October 30, 2026, with prices from €212 to €1,027, a €815 spread on the same certified stone. Reve Diamonds lists it at €1,027. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
E
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845614899
Dimensions6.70 × 7.49 × 4.23 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
6.70 mm7.49 mm1.21 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845614899
Side View
Table 62.0%Crown 37°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 56.5%

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: Oct 30
Current: €962 EUR|Low: €209 EUR|High: €1,046 EUR|Avg: €536 EUR|-4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
November 1, 2026
Retailer 7€212 EUR
Retailer 2€258 EUR
Retailer 8€362 EUR
Retailer 3€373 EUR
Retailer 5€388 EUR
Retailer 9€522 EUR
Retailer 4€699 EUR
Retailer 6€806 EUR
Retailer 1€962 EUR
Reve Diamonds€1,027 EUR

16 data points across 10 retailers

10 retailers€212 EUR to €1,027 EUR

A
Cheapest Retailer
-
€212 EUR
$237 USD
Final sale: no returns
A
Retailer 2
-
€258 EUR
£227 GBP
View
A
Retailer 3
-
€362 EUR
$404 USD
View
A
Retailer 4
-
€373 EUR
£328 GBP
View
B+
Retailer 5
-
€388 EUR
$433 USD
View
Retailer 6
-
€522 EUR
A$897 AUD
View
Price last confirmed 8 days ago
B
Retailer 7
-
€699 EUR
$781 USD
View
B
Retailer 8
-
€806 EUR
$900 USD
View
B
Retailer 9
-
€962 EUR
£846 GBP
View
Most Expensive
B
Reve Diamonds
2E34E6030 · Nov 1
€1,027 EUR
$1,147 USD
View
9 more retailers have this diamond
Prices start from €212 EURSave up to €815 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
€212 EUR