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Heart|Lab Grown|IGI

1.21ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG669427091

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG669427091

Diamond specifications and retailer prices

From $317 CAD
$227 USD
As of October 30, 2026
Save $1,471 CAD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,788 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 top-tier cut grade and certified by IGI LG669427091 or 669427091. Listed at 21 retailers as of October 30, 2026, with prices from $317 to $1,788, a $1,471 spread on the same certified stone. Reve Diamonds lists it at $1,788. 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 angle36°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669427091
Dimensions7.25 × 6.69 × 4.43 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
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
7.25 mm6.69 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669427091
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.1%

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: $734 CAD|Low: $302 CAD|High: $1,788 CAD|Avg: $850 CAD|+3.7%
Retailer 1
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Retailer 5
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Retailer 7
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Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
November 2, 2026
Retailer 18$317 CAD
Retailer 15$353 CAD
Retailer 9$367 CAD
Retailer 5$394 CAD
Retailer 7$394 CAD
Retailer 6$669 CAD
Retailer 13$673 CAD
Retailer 11$679 CAD
Retailer 3$729 CAD
Retailer 1$734 CAD
Retailer 14$788 CAD
Retailer 17$960 CAD
Retailer 4$1,085 CAD
Retailer 16$1,139 CAD
Retailer 2$1,264 CAD
Retailer 10$1,299 CAD
Retailer 8$1,338 CAD
Retailer 12$1,577 CAD
Reve Diamonds$1,788 CAD

37 data points across 19 retailers

21 retailers$317 CAD to $1,788 CAD

A
Cheapest Retailer
-
$317 CAD
$227 USD
A
Retailer 2
-
$353 CAD
$253 USD
View
Final sale: no returns
A
Retailer 3
-
$367 CAD
$263 USD
View
A
Retailer 4
-
$394 CAD
$282 USD
View
Retailer 5
-
$394 CAD
$282 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$664 CAD
$475 USD
View
B+
Retailer 7
-
$669 CAD
$479 USD
View
B+
Retailer 8
-
$673 CAD
€459 EUR
View
B+
Retailer 9
-
$679 CAD
ZAR 7,853 ZAR
View
B+
Retailer 10
-
$729 CAD
$522 USD
View
B+
Retailer 11
-
$734 CAD
£414 GBP
View
B+
Retailer 12
-
$788 CAD
A$868 AUD
View
B+
Retailer 13
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$960 CAD
A$1,057 AUD
View
B
Retailer 14
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$1,085 CAD
$777 USD
View
B+
Retailer 15
-
$1,139 CAD
A$1,254 AUD
View
B
Retailer 16
-
$1,264 CAD
$905 USD
View
Retailer 17
-
$1,299 CAD
$930 USD
View
Price last confirmed 22 days ago
B
Retailer 18
-
$1,338 CAD
$958 USD
View
B
Retailer 19
-
$1,426 CAD
$1,021 USD
View
B
Retailer 20
-
$1,577 CAD
£889 GBP
View
Most Expensive
B
Reve Diamonds
96C9BA475 · Nov 1
$1,788 CAD
$1,280 USD
View
20 more retailers have this diamond
Prices start from $317 CADSave up to $1,471 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
$317 CAD