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Heart|Lab Grown|IGI

1.21ct D VVS2 Heart Lab Grown Diamond

ID • D/VVS2 • IGI LG778650792

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG778650792

Diamond specifications and retailer prices

From €186 EUR
$208 USD
As of October 30, 2026
Save €1,439 EUR (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,626 EUR at Queensmith · As of October 27, 2026
View at Queensmith

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778650792 or 778650792. Listed at 20 retailers as of October 27, 2026, with prices from €186 to €1,626, a €1,439 spread on the same certified stone. Queensmith lists it at €1,626. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778650792
Dimensions6.79 × 7.34 × 4.14 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.79 mm7.34 mm1.21 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778650792
Side View
Table 61.0%Crown 30.3°Girdle: THK-VTKPavilion 40.1°Culet: NoneDepth 56.4%

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: €425 EUR|Low: €178 EUR|High: €1,101 EUR|Avg: €511 EUR|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10€186 EUR
Retailer 4€208 EUR
Retailer 12€231 EUR
Retailer 5€383 EUR
Retailer 6€396 EUR
Retailer 2€397 EUR
Retailer 1€425 EUR
Retailer 3€448 EUR
Retailer 7€563 EUR
Retailer 9€744 EUR
Retailer 8€925 EUR
Retailer 11€1,074 EUR

45 data points across 12 retailers

20 retailers€186 EUR to €1,626 EUR

A
Cheapest Retailer
-
€186 EUR
$208 USD
A
Retailer 2
-
€208 EUR
$232 USD
View
Final sale: no returns
A
Retailer 3
-
€216 EUR
$241 USD
View
A
Retailer 4
-
€231 EUR
$258 USD
View
A
Retailer 5
-
€231 EUR
$258 USD
View
A
Retailer 6
-
€383 EUR
View
A
Retailer 7
-
€396 EUR
ZAR 7,147 ZAR
View
A
Retailer 8
-
€397 EUR
$444 USD
View
B+
Retailer 9
-
€425 EUR
£374 GBP
View
B+
Retailer 10
-
€448 EUR
$501 USD
View
B+
Retailer 11
-
€454 EUR
$507 USD
View
B+
Retailer 12
-
€563 EUR
A$968 AUD
View
B
Retailer 13
-
€741 EUR
$828 USD
View
B
Retailer 14
-
€744 EUR
$831 USD
View
B
Retailer 15
-
€749 EUR
SGD 1,131 SGD
View
B
Retailer 16
-
€789 EUR
$881 USD
View
Retailer 17
-
€925 EUR
£814 GBP
View
Price last confirmed 7 days ago
Retailer 18
-
€1,074 EUR
$1,200 USD
View
Price last confirmed 11 days ago
B
Retailer 19
-
€1,090 EUR
$1,218 USD
View
Most Expensive
B
Queensmith
LG778650792 · Oct 27
€1,626 EUR
£1,430 GBP
View
19 more retailers have this diamond
Prices start from €186 EURSave up to €1,439 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
€186 EUR