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Heart|Lab Grown|IGI

1.21ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG828628217

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828628217

Diamond specifications and retailer prices

From €182 EUR
$204 USD
As of October 31, 2026
Save €836 EUR (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,018 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828628217 or 828628217. Listed at 15 retailers as of October 31, 2026, with prices from €182 to €1,018, a €836 spread on the same certified stone. Reve Diamonds lists it at €1,018. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828628217
Dimensions7.40 × 6.39 × 4.43 mm
L/W Ratio1.16
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
7.40 mm6.39 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828628217
Side View
Table 59.0%Crown 35.4°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 59.9%

Caratlytics Score

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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 31
Current: €351 EUR|Low: €176 EUR|High: €1,018 EUR|Avg: €499 EUR|+5.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
November 1, 2026
Retailer 8€182 EUR
Retailer 5€195 EUR
Retailer 1€351 EUR
Retailer 12€358 EUR
Retailer 7€367 EUR
Retailer 10€388 EUR
Retailer 4€445 EUR
Retailer 3€485 EUR
Retailer 9€522 EUR
Retailer 2€593 EUR
Retailer 11€695 EUR
Retailer 13€701 EUR
Retailer 6€950 EUR
Reve Diamonds€1,018 EUR

40 data points across 14 retailers

15 retailers€182 EUR to €1,018 EUR

A
Cheapest Retailer
-
€182 EUR
$204 USD
Final sale: no returns
Retailer 2
-
€183 EUR
$205 USD
View
Price last confirmed 34 days ago
Retailer 3
-
€193 EUR
$216 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
€351 EUR
ZAR 6,352 ZAR
View
A
Retailer 5
-
€358 EUR
$402 USD
View
A
Retailer 6
-
€367 EUR
£324 GBP
View
B+
Retailer 7
-
€388 EUR
$435 USD
View
B+
Retailer 8
-
€445 EUR
A$768 AUD
View
B+
Retailer 9
-
€485 EUR
A$837 AUD
View
B+
Retailer 10
-
€522 EUR
$586 USD
View
B+
Retailer 11
-
€593 EUR
A$1,023 AUD
View
B
Retailer 12
-
€695 EUR
$780 USD
View
B
Retailer 13
-
€701 EUR
$786 USD
View
B
Retailer 14
-
€950 EUR
£839 GBP
View
Most Expensive
B
Reve Diamonds
DF89F0F0E · Nov 1
€1,018 EUR
$1,142 USD
View
14 more retailers have this diamond
Prices start from €182 EURSave up to €836 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
€182 EUR