Radiant|Lab Grown|IGI

3.21ct J VS2 Radiant Lab Grown Diamond

EX • J/VS2 • IGI LG508125948

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

Certificate IGI LG508125948

Diamond specifications and retailer prices

From $2,729 CAD
$1,953 USD
As of November 2, 2026
Save $7,569 CAD (73%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $13,430 CAD at Taylor and Hart · As of October 18, 2026
View at Taylor and Hart

About this 3.21ct lab-grown radiant diamond

This 3.21ct lab-grown radiant sits in the three to five carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508125948 or 508125948. Listed at 15 retailers as of November 1, 2026, with a 277% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.21
Carat
J
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508125948
Dimensions9.84 × 7.58 × 5.02 mm
L/W Ratio1.30
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
9.84 mm7.58 mm3.21 ctJ / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508125948
Side View
Table 70.0%Crown 38.3°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 66.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $10,299 CAD|Low: $2,404 CAD|High: $20,668 CAD|Avg: $6,424 CAD
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
Taylor and Hart
November 1, 2026
Retailer 3$2,729 CAD
Retailer 9$3,004 CAD
Retailer 13$3,269 CAD
Retailer 14$3,365 CAD
Retailer 10$3,485 CAD
Retailer 2$3,656 CAD
Retailer 8$3,717 CAD
Retailer 4$4,924 CAD
Retailer 5$4,957 CAD
Retailer 12$5,286 CAD
Retailer 11$5,446 CAD
Retailer 7$5,462 CAD
Retailer 1$10,299 CAD
Taylor and Hart$13,430 CAD
Retailer 6$20,668 CAD

20 data points across 15 retailers

15 retailers$2,729 CAD to $10,299 CAD

B+
Cheapest Retailer
-
$2,729 CAD
$1,953 USD
B+
Retailer 2
-
$3,004 CAD
$2,150 USD
View
B
Retailer 3
-
$3,269 CAD
$2,339 USD
View
B
Retailer 4
-
$3,365 CAD
$2,408 USD
View
Final sale: no returns
B
Retailer 5
-
$3,485 CAD
$2,494 USD
View
Retailer 6
-
$3,485 CAD
$2,494 USD
View
Price last confirmed 23 days ago
B
Retailer 7
-
$3,656 CAD
$2,616 USD
View
B
Retailer 8
-
$3,717 CAD
$2,660 USD
View
B
Retailer 9
-
$4,924 CAD
View
B
Retailer 10
-
$5,286 CAD
$3,783 USD
View
B
Retailer 11
-
$5,446 CAD
$3,897 USD
View
B
Retailer 12
-
$5,462 CAD
$3,909 USD
View
B
Retailer 13
-
$10,299 CAD
£5,803 GBP
View
Most Expensive
Taylor and Hart
7J9K5KU · Oct 18
$13,430 CAD
$9,611 USD
View
Price under review
13 more retailers have this diamond
Prices start from $2,729 CADSave up to $7,569 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.

B+
3.21ct Radiant
$2,729 CAD