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Heart|Lab Grown|IGI

1.21ct D VS1 Heart Lab Grown Diamond

VG • D/VS1 • IGI LG837660882

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837660882

Diamond specifications and retailer prices

From $274 CAD
$196 USD
As of October 30, 2026
Save $1,375 CAD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,649 CAD at Reve Diamonds · As of November 1, 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 very-good cut grade and certified by IGI LG837660882 or 837660882. Listed at 17 retailers as of October 30, 2026, with prices from $274 to $1,649, a $1,375 spread on the same certified stone. Reve Diamonds lists it at $1,649. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
D
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837660882
Dimensions6.23 × 7.31 × 4.37 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.23 mm7.31 mm1.21 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837660882
Side View
Table 56.0%Crown 39.8°Girdle: MED-THKPavilion 36.6°Culet: NoneDepth 59.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $453 CAD|Low: $274 CAD|High: $1,649 CAD|Avg: $755 CAD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Reve Diamonds
November 2, 2026
Retailer 7$274 CAD
Retailer 4$305 CAD
Retailer 3$317 CAD
Retailer 6$339 CAD
Retailer 1$453 CAD
Retailer 2$454 CAD
Retailer 10$586 CAD
Retailer 9$620 CAD
Retailer 16$648 CAD
Retailer 15$682 CAD
Retailer 12$810 CAD
Retailer 14$828 CAD
Retailer 5$1,091 CAD
Retailer 13$1,099 CAD
Retailer 8$1,166 CAD
Retailer 11$1,586 CAD
Reve Diamonds$1,649 CAD

15 data points across 17 retailers

17 retailers$274 CAD to $1,649 CAD

A
Cheapest Retailer
-
$274 CAD
$196 USD
A
Retailer 2
-
$305 CAD
$218 USD
View
Final sale: no returns
A
Retailer 3
-
$317 CAD
$227 USD
View
A
Retailer 4
-
$339 CAD
$243 USD
View
A
Retailer 5
-
$453 CAD
£255 GBP
View
B+
Retailer 6
-
$454 CAD
$325 USD
View
B+
Retailer 7
-
$586 CAD
ZAR 6,775 ZAR
View
B+
Retailer 8
-
$620 CAD
£350 GBP
View
B+
Retailer 9
-
$648 CAD
$464 USD
View
B+
Retailer 10
-
$682 CAD
$488 USD
View
B+
Retailer 11
-
$810 CAD
$580 USD
View
B+
Retailer 12
-
$828 CAD
A$912 AUD
View
B
Retailer 13
-
$1,091 CAD
$781 USD
View
B
Retailer 14
-
$1,099 CAD
A$1,210 AUD
View
B
Retailer 15
-
$1,166 CAD
$835 USD
View
B
Retailer 16
-
$1,586 CAD
£894 GBP
View
Most Expensive
B
Reve Diamonds
BBE411C40 · Nov 1
$1,649 CAD
$1,181 USD
View
16 more retailers have this diamond
Prices start from $274 CADSave up to $1,375 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
$274 CAD