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Heart|Lab Grown|IGI

1.21ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG783661622

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG783661622

Diamond specifications and retailer prices

From €181 EUR
$202 USD
As of October 27, 2026
Save €892 EUR (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,073 EUR at Reve Diamonds · As of October 28, 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 LG783661622 or 783661622. Listed at 17 retailers as of October 27, 2026, with prices from €181 to €1,073, a €892 spread on the same certified stone. Reve Diamonds lists it at €1,073. 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
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783661622
Dimensions6.64 × 7.33 × 4.16 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.64 mm7.33 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG783661622
Side View
Table 63.0%Crown 34.5°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 56.8%

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 27
Current: €375 EUR|Low: €174 EUR|High: €1,058 EUR|Avg: €440 EUR|+0.8%
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
Retailer 14
October 31, 2026
Retailer 12€181 EUR
Retailer 6€201 EUR
Retailer 3€209 EUR
Retailer 4€224 EUR
Retailer 14€224 EUR
Retailer 13€303 EUR
Retailer 1€375 EUR
Retailer 9€384 EUR
Retailer 8€408 EUR
Retailer 5€442 EUR
Retailer 7€662 EUR
Retailer 2€719 EUR
Retailer 11€721 EUR
Retailer 10€1,047 EUR

42 data points across 14 retailers

17 retailers€181 EUR to €1,073 EUR

A
Cheapest Retailer
-
€181 EUR
$202 USD
A
Retailer 2
-
€201 EUR
$225 USD
View
Final sale: no returns
Retailer 3
-
€209 EUR
$234 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
€224 EUR
$250 USD
View
A
Retailer 5
-
€224 EUR
$250 USD
View
B+
Retailer 6
-
€303 EUR
$338 USD
View
A
Retailer 7
-
€375 EUR
View
A
Retailer 8
-
€384 EUR
ZAR 6,934 ZAR
View
B+
Retailer 9
-
€408 EUR
£359 GBP
View
B+
Retailer 10
-
€417 EUR
$466 USD
View
B+
Retailer 11
-
€442 EUR
$494 USD
View
B+
Retailer 12
-
€662 EUR
$740 USD
View
B
Retailer 13
-
€719 EUR
$803 USD
View
B
Retailer 14
-
€721 EUR
$806 USD
View
B
Retailer 15
-
€767 EUR
$857 USD
View
B
Retailer 16
-
€1,047 EUR
£921 GBP
View
Most Expensive
B
Reve Diamonds
F4A43FC5D · Oct 28
€1,073 EUR
$1,199 USD
View
16 more retailers have this diamond
Prices start from €181 EURSave up to €892 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
€181 EUR