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Heart|Lab Grown|IGI

1.21ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG807611570

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG807611570

Diamond specifications and retailer prices

From €172 EUR
$192 USD
As of October 30, 2026
Save €832 EUR (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,004 EUR at MOH London · As of October 29, 2026
View at MOH London

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 LG807611570 or 807611570. Listed at 18 retailers as of October 29, 2026, with prices from €172 to €1,004, a €832 spread on the same certified stone. MOH London lists it at €1,004. 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 angle34.6°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807611570
Dimensions6.99 × 6.84 × 4.27 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm6.84 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807611570
Side View
Table 61.0%Crown 34.6°Girdle: STK-THKPavilion 39°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
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: €1,004 EUR|Low: €166 EUR|High: €1,011 EUR|Avg: €451 EUR|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 11€172 EUR
Retailer 5€200 EUR
Retailer 13€214 EUR
Retailer 2€285 EUR
Retailer 3€288 EUR
Retailer 7€359 EUR
Retailer 9€367 EUR
Retailer 6€386 EUR
Retailer 10€521 EUR
Retailer 8€547 EUR
Retailer 4€687 EUR
Retailer 12€710 EUR
MOH London€1,004 EUR

35 data points across 13 retailers

18 retailers€172 EUR to €1,004 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
-
€285 EUR
£251 GBP
View
B+
Retailer 7
-
€288 EUR
$322 USD
View
A
Retailer 8
-
€359 EUR
View
A
Retailer 9
-
€367 EUR
ZAR 6,619 ZAR
View
A
Retailer 10
-
€386 EUR
£339 GBP
View
B+
Retailer 11
-
€414 EUR
$462 USD
View
B+
Retailer 12
-
€500 EUR
$559 USD
View
B+
Retailer 13
-
€521 EUR
A$896 AUD
View
B+
Retailer 14
-
€547 EUR
$611 USD
View
B
Retailer 15
-
€687 EUR
$767 USD
View
Retailer 16
-
€710 EUR
A$1,221 AUD
View
Price last confirmed 25 days ago
B
Retailer 17
-
€735 EUR
$821 USD
View
Most Expensive
B
MOH London
LG807611570 · Oct 29
€1,004 EUR
£883 GBP
View
17 more retailers have this diamond
Prices start from €172 EURSave up to €832 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