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Radiant|Lab Grown|IGI

1.21ct I VS1 Radiant Lab Grown Diamond

VG • I/VS1 • IGI LG593372671

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG593372671

Diamond specifications and retailer prices

From $426 CAD
$305 USD
As of November 1, 2026
Save $1,105 CAD (72%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,531 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG593372671 or 593372671. Listed at 6 retailers as of October 26, 2026, with prices from $426 to $1,531, a $1,105 spread on the same certified stone. MOH London lists it at $1,531. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
I
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle42.5°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593372671
Dimensions7.50 × 5.23 × 3.64 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.
Top View
7.50 mm5.23 mm1.21 ctI / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG593372671
Side View
Table 57.0%Crown 42.5°Girdle: Slightly ThickPavilion 35.6°Culet: NoneDepth 69.6%

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: Nov 1
Current: $1,531 CAD|Low: $426 CAD|High: $1,547 CAD|Avg: $863 CAD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 5$426 CAD
Retailer 3$529 CAD
Retailer 2$565 CAD
Retailer 4$644 CAD
Retailer 7$1,063 CAD
Retailer 6$1,293 CAD
MOH London$1,531 CAD

15 data points across 7 retailers

6 retailers$426 CAD to $1,531 CAD

A
Cheapest Retailer
-
$426 CAD
$305 USD
B+
Retailer 2
-
$529 CAD
$379 USD
View
A
Retailer 3
-
$565 CAD
ZAR 6,529 ZAR
View
B+
Retailer 4
-
$644 CAD
$461 USD
View
B
Retailer 5
-
$1,293 CAD
$926 USD
View
Most Expensive
B
MOH London
LG593372671 · Oct 26
$1,531 CAD
£863 GBP
View
5 more retailers have this diamond
Prices start from $426 CADSave up to $1,105 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 Radiant
$426 CAD