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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 $268 CAD
$192 USD
As of October 30, 2026
Save $1,289 CAD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,558 CAD at MOH London · As of November 1, 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 30, 2026, with prices from $268 to $1,558, a $1,289 spread on the same certified stone. MOH London lists it at $1,558. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,558 CAD|Low: $258 CAD|High: $1,577 CAD|Avg: $717 CAD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 10$268 CAD
Retailer 12$334 CAD
Retailer 6$445 CAD
Retailer 3$450 CAD
Retailer 7$560 CAD
Retailer 5$575 CAD
Retailer 2$607 CAD
Retailer 9$814 CAD
Retailer 8$854 CAD
Retailer 4$1,071 CAD
Retailer 11$1,109 CAD
MOH London$1,558 CAD

35 data points across 12 retailers

18 retailers$268 CAD to $1,558 CAD

A
Cheapest Retailer
-
$268 CAD
$192 USD
A
Retailer 2
-
$299 CAD
$214 USD
View
Final sale: no returns
A
Retailer 3
-
$312 CAD
$223 USD
View
Retailer 4
-
$334 CAD
$239 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$334 CAD
$239 USD
View
A
Retailer 6
-
$445 CAD
£251 GBP
View
B+
Retailer 7
-
$450 CAD
$322 USD
View
A
Retailer 8
-
$560 CAD
€382 EUR
View
A
Retailer 9
-
$575 CAD
ZAR 6,654 ZAR
View
A
Retailer 10
-
$607 CAD
£342 GBP
View
B+
Retailer 11
-
$645 CAD
$462 USD
View
B+
Retailer 12
-
$781 CAD
$559 USD
View
B+
Retailer 13
-
$814 CAD
A$896 AUD
View
B+
Retailer 14
-
$854 CAD
$611 USD
View
B
Retailer 15
-
$1,071 CAD
$767 USD
View
Retailer 16
-
$1,109 CAD
A$1,221 AUD
View
Price last confirmed 25 days ago
B
Retailer 17
-
$1,147 CAD
$821 USD
View
Most Expensive
B
MOH London
LG807611570 · Nov 1
$1,558 CAD
£878 GBP
View
17 more retailers have this diamond
Prices start from $268 CADSave up to $1,289 CAD

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
$268 CAD