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 €1,748 EUR
$1,953 USD
As of October 31, 2026
Save €4,884 EUR (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €8,602 EUR 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
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: Oct 31
Current: €6,632 EUR|Low: €1,540 EUR|High: €13,238 EUR|Avg: €4,121 EUR|+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€1,748 EUR
Retailer 9€1,924 EUR
Retailer 13€2,094 EUR
Retailer 14€2,155 EUR
Retailer 10€2,232 EUR
Retailer 2€2,342 EUR
Retailer 8€2,381 EUR
Retailer 4€3,154 EUR
Retailer 5€3,175 EUR
Retailer 12€3,386 EUR
Retailer 11€3,488 EUR
Retailer 7€3,499 EUR
Retailer 1€6,632 EUR
Taylor and Hart€8,602 EUR
Retailer 6€13,238 EUR

19 data points across 15 retailers

15 retailers€1,748 EUR to €6,632 EUR

B+
Cheapest Retailer
-
€1,748 EUR
$1,953 USD
B+
Retailer 2
-
€1,924 EUR
$2,150 USD
View
B
Retailer 3
-
€2,094 EUR
$2,339 USD
View
B
Retailer 4
-
€2,155 EUR
$2,408 USD
View
Final sale: no returns
B
Retailer 5
-
€2,232 EUR
$2,494 USD
View
Retailer 6
-
€2,232 EUR
$2,494 USD
View
Price last confirmed 21 days ago
B
Retailer 7
-
€2,342 EUR
$2,616 USD
View
B
Retailer 8
-
€2,381 EUR
$2,660 USD
View
B
Retailer 9
-
€3,154 EUR
CA$4,894 CAD
View
B
Retailer 10
-
€3,386 EUR
$3,783 USD
View
B
Retailer 11
-
€3,488 EUR
$3,897 USD
View
B
Retailer 12
-
€3,499 EUR
$3,909 USD
View
B
Retailer 13
-
€6,632 EUR
£5,834 GBP
View
Most Expensive
Taylor and Hart
7J9K5KU · Oct 18
€8,602 EUR
$9,611 USD
View
Price under review
13 more retailers have this diamond
Prices start from €1,748 EURSave up to €4,884 EUR

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
€1,748 EUR