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Round|Lab Grown|IGI

1.21ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG480171498

Shape and cutting style on the report: Round brilliant

Certificate IGI LG480171498

Diamond specifications and retailer prices

From $964 CAD
$690 USD
As of October 30, 2026
Save $5,657 CAD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,621 CAD at MOH London · As of October 27, 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG480171498 or 480171498. Listed at 12 retailers as of October 27, 2026, with prices from $964 to $6,621, a $5,657 spread on the same certified stone. MOH London lists it at $6,621. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
J
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480171498
Dimensions6.97 × 6.93 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.97 mm6.93 mm1.21 ctJ / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480171498
Side View
Table 55.0%Crown 31.5°Girdle: MediumPavilion 40.5°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
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: $6,621 CAD|Low: $964 CAD|High: $6,701 CAD|Avg: $3,301 CAD|+0.1%
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 30, 2026
Retailer 2$964 CAD
Retailer 7$1,774 CAD
Retailer 11$1,986 CAD
Retailer 8$2,058 CAD
Retailer 10$2,058 CAD
Retailer 12$2,298 CAD
Retailer 13$2,829 CAD
Retailer 9$3,259 CAD
Retailer 6$3,783 CAD
Retailer 3$3,836 CAD
Retailer 5$4,606 CAD
Retailer 4$5,893 CAD
MOH London$6,621 CAD

21 data points across 13 retailers

12 retailers$964 CAD to $6,621 CAD

A
Cheapest Retailer
-
$964 CAD
$690 USD
B+
Retailer 2
-
$1,774 CAD
$1,270 USD
View
B+
Retailer 3
-
$1,931 CAD
$1,382 USD
View
B+
Retailer 4
-
$1,986 CAD
$1,422 USD
View
Final sale: no returns
Retailer 5
-
$2,058 CAD
$1,473 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
$2,058 CAD
$1,473 USD
View
B+
Retailer 7
-
$2,298 CAD
$1,645 USD
View
B
Retailer 8
-
$3,259 CAD
$2,333 USD
View
B
Retailer 9
-
$3,783 CAD
ZAR 43,754 ZAR
View
B
Retailer 10
-
$3,836 CAD
$2,746 USD
View
B
Retailer 11
-
$3,858 CAD
$2,762 USD
View
Most Expensive
B
MOH London
LG480171498 · Oct 27
$6,621 CAD
£3,732 GBP
View
11 more retailers have this diamond
Prices start from $964 CADSave up to $5,657 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
$964 CAD