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Radiant|Lab Grown|IGI

3.15ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG653408706

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

Certificate IGI LG653408706

Diamond specifications and retailer prices

From $892 USD
As of November 4, 2026
Save $1,830 USD (67%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,722 USD at MOH London · As of November 5, 2026
View at MOH London

About this 3.15ct lab-grown radiant diamond

This 3.15ct lab-grown radiant sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG653408706 or 653408706. Listed at 5 retailers as of November 4, 2026, with prices from $892 to $2,722, a $1,830 spread on the same certified stone. MOH London lists it at $2,722. 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

3.15
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653408706
Dimensions9.49 × 7.62 × 5.04 mm
L/W Ratio1.25
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.49 mm7.62 mm3.15 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653408706
Side View
Table 61.0%Crown 44.7°Girdle: Slightly ThickPavilion 33.6°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,722 USD|Low: $792 USD|High: $2,762 USD|Avg: $1,522 USD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 6$792 USD
Retailer 3$892 USD
Retailer 2$924 USD
Retailer 4$930 USD
Retailer 5$2,241 USD
Retailer 7$2,243 USD
MOH London$2,722 USD

11 data points across 7 retailers

5 retailers$892 USD to $2,722 USD

A
Cheapest Retailer
-
$892 USD
B+
Retailer 2
-
$924 USD
View
A
Retailer 3
-
$930 USD
View
B+
Retailer 4
-
$2,241 USD
View
Most Expensive
B
MOH London
LG653408706 · Nov 5
$2,722 USD
£2,143 GBP
View
4 more retailers have this diamond
Prices start from $892 USDSave up to $1,830 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.

A
3.15ct Radiant
$892 USD