Heart|Lab Grown|IGI

1.21ct E VVS1 Heart Lab Grown Diamond

VG • E/VVS1 • IGI LG831679964

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831679964

Diamond specifications and retailer prices

From €185 EUR
$207 USD
As of November 2, 2026
Save €761 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €945 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG831679964 or 831679964. Listed at 18 retailers as of November 2, 2026, with prices from €185 to €945, a €761 spread on the same certified stone. Brilliant Earth lists it at €945. 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
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831679964
Dimensions7.38 × 6.57 × 4.18 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
7.38 mm6.57 mm1.21 ctE / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831679964
Side View
Table 62.0%Crown 37.2°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 56.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €945 EUR|Low: €185 EUR|High: €945 EUR|Avg: €520 EUR
Brilliant Earth
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
Retailer 17
Retailer 18
November 2, 2026
Retailer 3€185 EUR
Retailer 10€207 EUR
Retailer 13€215 EUR
Retailer 9€229 EUR
Retailer 11€281 EUR
Retailer 4€396 EUR
Retailer 14€396 EUR
Retailer 12€423 EUR
Retailer 18€447 EUR
Retailer 7€497 EUR
Retailer 2€561 EUR
Retailer 16€737 EUR
Retailer 17€740 EUR
Retailer 5€746 EUR
Retailer 6€780 EUR
Retailer 8€785 EUR
Retailer 15€919 EUR
Brilliant Earth€945 EUR

5 data points across 18 retailers

18 retailers€185 EUR to €945 EUR

A
Cheapest Retailer
-
€185 EUR
$207 USD
A
Retailer 2
-
€207 EUR
$232 USD
View
Final sale: no returns
A
Retailer 3
-
€215 EUR
$241 USD
View
A
Retailer 4
-
€229 EUR
$257 USD
View
A
Retailer 5
-
€281 EUR
£248 GBP
View
B+
Retailer 6
-
€396 EUR
$444 USD
View
B+
Retailer 7
-
€396 EUR
ZAR 7,176 ZAR
View
B+
Retailer 8
-
€423 EUR
£373 GBP
View
B+
Retailer 9
-
€447 EUR
$501 USD
View
B+
Retailer 10
-
€497 EUR
$557 USD
View
B+
Retailer 11
-
€561 EUR
A$968 AUD
View
B
Retailer 12
-
€737 EUR
$827 USD
View
B
Retailer 13
-
€740 EUR
$830 USD
View
B
Retailer 14
-
€746 EUR
SGD 1,131 SGD
View
B
Retailer 15
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€780 EUR
$875 USD
View
B
Retailer 16
-
€785 EUR
$880 USD
View
B
Retailer 17
-
€919 EUR
£812 GBP
View
Most Expensive
B
Brilliant Earth
22348929A · Nov 2
€945 EUR
$1,060 USD
View
17 more retailers have this diamond
Prices start from €185 EURSave up to €761 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
€185 EUR