Round|Lab Grown|IGI

1.21ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG811647073

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811647073

Diamond specifications and retailer prices

From $282 CAD
$202 USD
As of October 29, 2026
Save $1,002 CAD (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,641 CAD at MOH London · As of October 18, 2026
View at MOH London

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811647073 or 811647073. Listed at 17 retailers as of October 29, 2026, with a 355% 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
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811647073
Dimensions6.92 × 6.86 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.92 mm6.86 mm1.21 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811647073
Side View
Table 56.0%Crown 33°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.7%

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 29
Current: $1,641 CAD|Low: $282 CAD|High: $1,652 CAD|Avg: $831 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 10$282 CAD
Retailer 12$349 CAD
Retailer 4$577 CAD
Retailer 7$600 CAD
Retailer 13$605 CAD
Retailer 2$640 CAD
Retailer 6$726 CAD
Retailer 11$838 CAD
Retailer 8$854 CAD
Retailer 9$898 CAD
Retailer 5$1,197 CAD
Retailer 3$1,259 CAD
MOH London$1,641 CAD

27 data points across 13 retailers

17 retailers$282 CAD to $1,284 CAD

A
Cheapest Retailer
-
$282 CAD
$202 USD
A
Retailer 2
-
$327 CAD
$234 USD
View
A
Retailer 3
-
$349 CAD
$250 USD
View
A
Retailer 4
-
$349 CAD
$250 USD
View
A
Retailer 5
-
$577 CAD
$413 USD
View
A
Retailer 6
-
$600 CAD
ZAR 6,934 ZAR
View
A
Retailer 7
-
$605 CAD
$433 USD
View
B+
Retailer 8
-
$640 CAD
€436 EUR
View
B+
Retailer 9
-
$726 CAD
$520 USD
View
B+
Retailer 10
-
$838 CAD
$600 USD
View
B+
Retailer 11
-
$854 CAD
A$940 AUD
View
B+
Retailer 12
-
$898 CAD
$643 USD
View
Retailer 13
-
$1,024 CAD
$733 USD
View
Price last confirmed 46 days ago
B
Retailer 14
-
$1,122 CAD
$803 USD
View
B
Retailer 15
-
$1,197 CAD
$857 USD
View
B
Retailer 16
-
$1,284 CAD
$919 USD
View
Most Expensive
MOH London
LG811647073 · Oct 18
$1,641 CAD
£925 GBP
View
Price last confirmed 14 days ago
16 more retailers have this diamond
Prices start from $282 CADSave up to $1,002 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 Round
$282 CAD