Heart|Lab Grown|IGI

1.21ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG811608529

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811608529

Diamond specifications and retailer prices

From $340 CAD
HK$1,900 HKD
As of November 1, 2026
Save $1,117 CAD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,577 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 LG811608529 or 811608529. Listed at 18 retailers as of October 26, 2026, with a 329% 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 angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811608529
Dimensions6.94 × 7.29 × 4.36 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.94 mm7.29 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG811608529
Side View
Table 64.0%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 59.8%

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: $1,034 CAD|Low: $243 CAD|High: $1,844 CAD|Avg: $754 CAD|-43.9%
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
November 1, 2026
Retailer 6$251 CAD
Retailer 7$279 CAD
Retailer 4$291 CAD
Retailer 9$312 CAD
Retailer 12$340 CAD
Retailer 11$512 CAD
Retailer 2$526 CAD
Retailer 3$552 CAD
Retailer 17$557 CAD
Retailer 16$655 CAD
Retailer 5$657 CAD
Retailer 14$774 CAD
Retailer 8$1,000 CAD
Retailer 13$1,007 CAD
Retailer 15$1,023 CAD
Retailer 1$1,034 CAD
Retailer 10$1,076 CAD
Retailer 18$1,457 CAD
Reve Diamonds$1,577 CAD

37 data points across 19 retailers

18 retailers$340 CAD to $1,457 CAD

Retailer 1
-
$251 CAD
$180 USD
Price last confirmed 9 days ago
Retailer 2
-
$291 CAD
$208 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$312 CAD
$223 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$340 CAD
HK$1,900 HKD
View
A
Retailer 5
-
$512 CAD
€349 EUR
View
Retailer 6
-
$526 CAD
ZAR 6,084 ZAR
View
Price last confirmed 10 days ago
Retailer 7
-
$552 CAD
$395 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$557 CAD
£314 GBP
View
B+
Retailer 9
-
$655 CAD
$469 USD
View
B+
Retailer 10
-
$657 CAD
$470 USD
View
B+
Retailer 11
-
$774 CAD
$554 USD
View
Retailer 12
-
$1,000 CAD
$716 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$1,007 CAD
SGD 974 SGD
View
B
Retailer 14
-
$1,023 CAD
$732 USD
View
B
Retailer 15
-
$1,034 CAD
$740 USD
View
B
Retailer 16
-
$1,076 CAD
$770 USD
View
B
Retailer 17
-
$1,457 CAD
£821 GBP
View
Most Expensive
Reve Diamonds
31B8B28C1 · Oct 25
$1,577 CAD
$1,129 USD
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from $340 CADSave up to $1,117 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