Heart|Lab Grown|IGI

1.21ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG823627082

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823627082

Diamond specifications and retailer prices

From $340 CAD
HK$1,900 HKD
As of November 1, 2026
Save $1,072 CAD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,552 CAD at Reve Diamonds · As of October 25, 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 LG823627082 or 823627082. Listed at 19 retailers as of October 26, 2026, with a 316% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823627082
Dimensions6.76 × 7.20 × 4.34 mm
L/W Ratio1.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.76 mm7.20 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG823627082
Side View
Table 63.0%Crown 36.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.3%

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: Nov 1
Current: $1,145 CAD|Low: $230 CAD|High: $1,844 CAD|Avg: $740 CAD|-37.9%
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
Retailer 17
Retailer 18
Reve Diamonds
October 31, 2026
Retailer 5$243 CAD
Retailer 6$272 CAD
Retailer 4$282 CAD
Retailer 8$302 CAD
Retailer 10$340 CAD
Retailer 16$404 CAD
Retailer 11$497 CAD
Retailer 2$510 CAD
Retailer 3$536 CAD
Retailer 17$537 CAD
Retailer 15$652 CAD
Retailer 13$747 CAD
Retailer 7$969 CAD
Retailer 12$983 CAD
Retailer 14$985 CAD
Retailer 9$1,046 CAD
Retailer 1$1,145 CAD
Retailer 18$1,412 CAD
Reve Diamonds$1,552 CAD

31 data points across 19 retailers

19 retailers$340 CAD to $1,412 CAD

Retailer 1
-
$243 CAD
$174 USD
Price last confirmed 9 days ago
Retailer 2
-
$282 CAD
$202 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$302 CAD
$216 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$340 CAD
HK$1,900 HKD
View
A
Retailer 5
-
$404 CAD
£228 GBP
View
A
Retailer 6
-
$497 CAD
€339 EUR
View
Retailer 7
-
$510 CAD
ZAR 5,899 ZAR
View
Price last confirmed 10 days ago
Retailer 8
-
$536 CAD
$384 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$537 CAD
£303 GBP
View
B+
Retailer 10
-
$652 CAD
$467 USD
View
B+
Retailer 11
-
$747 CAD
$535 USD
View
Retailer 12
-
$969 CAD
$694 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$983 CAD
SGD 951 SGD
View
B
Retailer 14
-
$985 CAD
$705 USD
View
B
Retailer 15
-
$1,020 CAD
$730 USD
View
B
Retailer 16
-
$1,046 CAD
$749 USD
View
B
Retailer 17
-
$1,145 CAD
$820 USD
View
B
Retailer 18
-
$1,412 CAD
£796 GBP
View
Most Expensive
Reve Diamonds
E9EFEA5CF · Oct 25
$1,552 CAD
$1,111 USD
View
Price last confirmed 8 days ago
18 more retailers have this diamond
Prices start from $340 CADSave up to $1,072 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
$340 CAD