Heart|Lab Grown|IGI

1.21ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG607354740

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG607354740

Diamond specifications and retailer prices

From €196 EUR
$219 USD
As of October 30, 2026
Save €927 EUR (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,123 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 LG607354740 or 607354740. Listed at 19 retailers as of October 30, 2026, with prices from €196 to €1,123, a €927 spread on the same certified stone. Reve Diamonds lists it at €1,123. 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 angle34.8°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607354740
Dimensions7.52 × 6.43 × 4.36 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.52 mm6.43 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607354740
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 58.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €452 EUR|Low: €194 EUR|High: €1,123 EUR|Avg: €535 EUR|+20.2%
Retailer 1
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Retailer 14
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Retailer 18
Reve Diamonds
November 1, 2026
Retailer 2€196 EUR
Retailer 7€219 EUR
Retailer 15€227 EUR
Retailer 4€243 EUR
Retailer 5€243 EUR
Retailer 18€327 EUR
Retailer 9€415 EUR
Retailer 13€418 EUR
Retailer 17€423 EUR
Retailer 1€452 EUR
Retailer 6€527 EUR
Retailer 14€595 EUR
Retailer 11€662 EUR
Retailer 10€690 EUR
Retailer 3€782 EUR
Retailer 16€785 EUR
Retailer 8€829 EUR
Retailer 12€980 EUR
Reve Diamonds€1,123 EUR

33 data points across 19 retailers

19 retailers€196 EUR to €1,123 EUR

A
Cheapest Retailer
-
€196 EUR
$219 USD
A
Retailer 2
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€219 EUR
$245 USD
View
Final sale: no returns
A
Retailer 3
-
€227 EUR
$254 USD
View
A
Retailer 4
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€243 EUR
$272 USD
View
A
Retailer 5
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€243 EUR
$272 USD
View
Retailer 6
-
€327 EUR
£287 GBP
View
Price last confirmed 15 days ago
B+
Retailer 7
-
€415 EUR
$464 USD
View
B+
Retailer 8
-
€418 EUR
ZAR 7,543 ZAR
View
B+
Retailer 9
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€423 EUR
$473 USD
View
B+
Retailer 10
-
€452 EUR
£398 GBP
View
B+
Retailer 11
-
€527 EUR
$589 USD
View
B+
Retailer 12
-
€595 EUR
A$1,022 AUD
View
B+
Retailer 13
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€662 EUR
$740 USD
View
B
Retailer 14
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€690 EUR
$771 USD
View
B
Retailer 15
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€782 EUR
$874 USD
View
B
Retailer 16
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€785 EUR
$877 USD
View
B
Retailer 17
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€829 EUR
$927 USD
View
B
Retailer 18
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€980 EUR
£862 GBP
View
Most Expensive
B
Reve Diamonds
2B0C87D7B · Oct 30
€1,123 EUR
$1,255 USD
View
18 more retailers have this diamond
Prices start from €196 EURSave up to €927 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
€196 EUR