Radiant|Lab Grown|IGI

3.15ct J VS2 Radiant Lab Grown Diamond

VG • J/VS2 • IGI LG607347400

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

Certificate IGI LG607347400

Diamond specifications and retailer prices

From $764 USD
As of October 23, 2026
2 retailers carry this diamond
Most expensive: $2,020 USD at Rare Carat · As of August 4, 2026
View at Rare Carat

About this 3.15ct lab-grown radiant diamond

This 3.15ct lab-grown radiant sits in the three to five carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG607347400 or 607347400. Listed at 2 retailers as of October 23, 2026. 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

3.15
Carat
J
Color
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607347400
Dimensions9.60 × 7.42 × 5.22 mm
L/W Ratio1.29
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Indications of post-growth treatment.
Top View
9.60 mm7.42 mm3.15 ctJ / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607347400
Side View
Table 59.0%Crown 41.1°Girdle: STK-THKPavilion 36.1°Culet: NoneDepth 70.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 23
Current: $2,020 USD|Low: $246 USD|High: $2,967 USD|Avg: $1,371 USD|-31.9%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
September 8, 2026
Retailer 7$600 USD
Retailer 3$628 USD
Retailer 2$764 USD
Retailer 6$842 USD
Retailer 5$941 USD
Retailer 4$1,743 USD
Rare Carat$2,020 USD

29 data points across 7 retailers

2 retailers

B+
Cheapest Retailer
-
$764 USD
Most Expensive
Rare Carat
FC03000 · Aug 4
$2,020 USD
View
Price last confirmed 87 days ago
1 more retailer has this diamond
Prices start from $764 USD

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+
3.15ct Radiant
$764 USD