Radiant|Lab Grown|IGI

3.15ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG821651330

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

Certificate IGI LG821651330

Diamond specifications and retailer prices

From $890 CAD

$636 USD

As of October 29, 2026

Save $4,225 CAD (83%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $5,116 CAD at Rare Carat · As of October 28, 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821651330 or 821651330. Listed at 17 retailers as of October 28, 2026, with prices from $890 to $5,116, a $4,225 spread on the same certified stone. Rare Carat lists it at $5,116. 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

Color

VVS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41.6°

Pavilion angle35.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG821651330

Dimensions9.86 × 7.11 × 4.86 mm

L/W Ratio1.39

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG821651330

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29

Current: $5,116 CAD|Low: $890 CAD|High: $5,116 CAD|Avg: $2,667 CAD|+1.5%

Rare Carat

Retailer 2

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Retailer 17

October 28, 2026

Retailer 14$890 CAD

Retailer 10$1,169 CAD

Retailer 17$1,327 CAD

Retailer 2$1,529 CAD

Retailer 5$1,684 CAD

Retailer 7$2,120 CAD

Retailer 3$2,129 CAD

Retailer 6$2,455 CAD

Retailer 11$2,648 CAD

Retailer 12$2,858 CAD

Retailer 13$3,193 CAD

Retailer 8$3,237 CAD

Retailer 4$3,265 CAD

Retailer 15$3,932 CAD

Retailer 9$4,123 CAD

Retailer 16$4,302 CAD

Rare Carat$5,116 CAD

21 data points across 17 retailers

17 retailers$890 CAD to $5,116 CAD

Cheapest Retailer

$890 CAD

$636 USD

Final sale: no returns

Retailer 2

$1,169 CAD

$835 USD

View

Retailer 3

$1,327 CAD

$948 USD

View

Retailer 4

$1,529 CAD

£860 GBP

View

Retailer 5

$1,684 CAD

€1,146 EUR

View

Retailer 6

$2,120 CAD

A$2,330 AUD

View

Price last confirmed 9 days ago

Retailer 7

$2,129 CAD

ZAR 24,571 ZAR

View

Retailer 8

$2,455 CAD

$1,754 USD

View

Retailer 9

$2,648 CAD

$1,892 USD

View

B+

Retailer 10

$2,858 CAD

£1,608 GBP

View

B+

Retailer 11

$3,193 CAD

$2,281 USD

View

B+

Retailer 12

$3,237 CAD

$2,313 USD

View

B+

Retailer 13

$3,265 CAD

$2,333 USD

View

B+

Retailer 14

$3,932 CAD

SGD 3,796 SGD

View

B+

Retailer 15

$4,123 CAD

A$4,532 AUD

View

Price last confirmed 21 days ago

B+

Retailer 16

$4,302 CAD

£2,420 GBP

View

Most Expensive

Rare Carat

CN215-15A · Oct 28

$5,116 CAD

$3,655 USD

View

16 more retailers have this diamond

Prices start from $890 CADSave up to $4,225 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.

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3.15ct Radiant

$890 CAD