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Round|Lab Grown|IGI

1.21ct E VS1 Round Lab Grown Diamond

EX • E/VS1 • IGI LG818645105

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818645105

Diamond specifications and retailer prices

From $270 CAD
$192 USD
As of October 29, 2026
Save $2,602 CAD (91%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,872 CAD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818645105 or 818645105. Listed at 23 retailers as of October 27, 2026, with prices from $270 to $2,872, a $2,602 spread on the same certified stone. Queensmith lists it at $2,872. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818645105
Dimensions6.88 × 6.94 × 4.08 mm
L/W Ratio1.01
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
6.88 mm6.94 mm1.21 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818645105
Side View
Table 62.0%Crown 33°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.0%

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: $565 CAD|Low: $260 CAD|High: $1,586 CAD|Avg: $649 CAD|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 11$270 CAD
Retailer 4$313 CAD
Retailer 2$336 CAD
Retailer 12$452 CAD
Retailer 5$563 CAD
Retailer 1$565 CAD
Retailer 7$576 CAD
Retailer 6$605 CAD
Retailer 3$680 CAD
Retailer 8$818 CAD
Retailer 10$858 CAD
Retailer 9$1,570 CAD

37 data points across 12 retailers

23 retailers$270 CAD to $2,872 CAD

A
Cheapest Retailer
-
$270 CAD
$192 USD
A
Retailer 2
-
$303 CAD
$216 USD
View
Final sale: no returns
A
Retailer 3
-
$313 CAD
$223 USD
View
A
Retailer 4
-
$336 CAD
$239 USD
View
A
Retailer 5
-
$336 CAD
$239 USD
View
A
Retailer 6
-
$378 CAD
HK$2,100 HKD
View
B+
Retailer 7
-
$452 CAD
$322 USD
View
B+
Retailer 8
-
$558 CAD
$397 USD
View
A
Retailer 9
-
$563 CAD
£316 GBP
View
B+
Retailer 10
-
$565 CAD
€383 EUR
View
A
Retailer 11
-
$576 CAD
ZAR 6,619 ZAR
View
B+
Retailer 12
-
$605 CAD
£339 GBP
View
B+
Retailer 13
-
$680 CAD
$484 USD
View
B+
Retailer 14
-
$818 CAD
A$896 AUD
View
B
Retailer 15
-
$858 CAD
$611 USD
View
B
Retailer 16
-
$1,077 CAD
$767 USD
View
B
Retailer 17
-
$1,095 CAD
SGD 1,053 SGD
View
B
Retailer 18
-
$1,129 CAD
$804 USD
View
B
Retailer 19
-
$1,153 CAD
$821 USD
View
B
Retailer 20
-
$1,475 CAD
$1,050 USD
View
Price last confirmed 38 days ago
B
Retailer 21
-
$1,570 CAD
£880 GBP
View
B
Retailer 22
-
$1,643 CAD
$1,169 USD
View
Most Expensive
B
Queensmith
LG818645105 · Oct 27
$2,872 CAD
£1,610 GBP
View
22 more retailers have this diamond
Prices start from $270 CADSave up to $2,602 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
$270 CAD