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Heart|Lab Grown|IGI

1.21ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG572344415

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG572344415

Diamond specifications and retailer prices

From €172 EUR
$192 USD
As of October 30, 2026
Save €875 EUR (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,047 EUR at Reve Diamonds · As of October 30, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG572344415 or 572344415. Listed at 22 retailers as of October 30, 2026, with prices from €172 to €1,047, a €875 spread on the same certified stone. Reve Diamonds lists it at €1,047. 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 angle32.9°
Pavilion angle43.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG572344415
Dimensions7.44 × 6.44 × 4.37 mm
L/W Ratio1.16
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
7.44 mm6.44 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG572344415
Side View
Table 63.0%Crown 32.9°Girdle: MED-THKPavilion 43.8°Culet: NoneDepth 58.7%

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 30
Current: €389 EUR|Low: €166 EUR|High: €1,011 EUR|Avg: €469 EUR|+2.7%
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
October 31, 2026
Retailer 2€172 EUR
Retailer 5€200 EUR
Retailer 3€214 EUR
Retailer 8€286 EUR
Retailer 10€288 EUR
Retailer 11€367 EUR
Retailer 1€389 EUR
Retailer 6€513 EUR
Retailer 12€521 EUR
Retailer 4€687 EUR
Retailer 9€698 EUR
Retailer 7€725 EUR
Retailer 13€1,004 EUR

36 data points across 13 retailers

22 retailers€172 EUR to €1,047 EUR

A
Cheapest Retailer
-
€172 EUR
$192 USD
A
Retailer 2
-
€192 EUR
$214 USD
View
Final sale: no returns
A
Retailer 3
-
€200 EUR
$223 USD
View
A
Retailer 4
-
€214 EUR
$239 USD
View
A
Retailer 5
-
€214 EUR
$239 USD
View
A
Retailer 6
-
€286 EUR
£252 GBP
View
B+
Retailer 7
-
€288 EUR
$322 USD
View
A
Retailer 8
-
€367 EUR
ZAR 6,619 ZAR
View
B+
Retailer 9
-
€389 EUR
£342 GBP
View
B+
Retailer 10
-
€414 EUR
$462 USD
View
B+
Retailer 11
-
€429 EUR
$479 USD
View
B+
Retailer 12
-
€500 EUR
$559 USD
View
B+
Retailer 13
-
€513 EUR
$573 USD
View
B+
Retailer 14
-
€521 EUR
A$896 AUD
View
B
Retailer 15
-
€687 EUR
$767 USD
View
Retailer 16
-
€689 EUR
$770 USD
View
Price last confirmed 10 days ago
B+
Retailer 17
-
€698 EUR
A$1,199 AUD
View
B
Retailer 18
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€720 EUR
$804 USD
View
B+
Retailer 19
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€725 EUR
$810 USD
View
B
Retailer 20
-
€735 EUR
$821 USD
View
B
Retailer 21
-
€1,004 EUR
£883 GBP
View
Most Expensive
B
Reve Diamonds
9377C4D1C · Oct 30
€1,047 EUR
$1,169 USD
View
21 more retailers have this diamond
Prices start from €172 EURSave up to €875 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
€172 EUR