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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 $2,497 SGD
$1,953 USD
As of October 31, 2026
Save $6,975 SGD (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $12,286 SGD 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 October 29, 2026, with a 279% 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
Colour
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: Oct 31
Current: $9,472 SGD|Low: $2,199 SGD|High: $18,908 SGD|Avg: $5,886 SGD|+0.5%
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
October 29, 2026
Retailer 3$2,497 SGD
Retailer 9$2,749 SGD
Retailer 13$2,990 SGD
Retailer 14$3,078 SGD
Retailer 10$3,188 SGD
Retailer 2$3,344 SGD
Retailer 8$3,401 SGD
Retailer 4$4,505 SGD
Retailer 5$4,535 SGD
Retailer 12$4,836 SGD
Retailer 11$4,982 SGD
Retailer 7$4,997 SGD
Retailer 1$9,472 SGD
Taylor and Hart$12,286 SGD
Retailer 6$18,908 SGD

19 data points across 15 retailers

15 retailers$2,497 SGD to $9,472 SGD

B+
Cheapest Retailer
-
$2,497 SGD
$1,953 USD
B+
Retailer 2
-
$2,749 SGD
$2,150 USD
View
B
Retailer 3
-
$2,990 SGD
$2,339 USD
View
B
Retailer 4
-
$3,078 SGD
$2,408 USD
View
Final sale: no returns
B
Retailer 5
-
$3,188 SGD
$2,494 USD
View
Retailer 6
-
$3,188 SGD
$2,494 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
$3,344 SGD
$2,616 USD
View
B
Retailer 8
-
$3,401 SGD
$2,660 USD
View
B
Retailer 9
-
$4,505 SGD
CA$4,894 CAD
View
B
Retailer 10
-
$4,836 SGD
$3,783 USD
View
B
Retailer 11
-
$4,982 SGD
$3,897 USD
View
B
Retailer 12
-
$4,997 SGD
$3,909 USD
View
B
Retailer 13
-
$9,472 SGD
£5,834 GBP
View
Most Expensive
Taylor and Hart
7J9K5KU · Oct 18
$12,286 SGD
$9,611 USD
View
Price under review
13 more retailers have this diamond
Prices start from $2,497 SGDSave up to $6,975 SGD

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
$2,497 SGD