Round|Lab Grown|IGI

6.31ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG581318516

Shape and cutting style on the report: Round brilliant

Certificate IGI LG581318516

Diamond specifications and retailer prices

From $1,327 CAD

$948 USD

As of October 29, 2026

Save $4,764 CAD (78%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $6,091 CAD at Blue Nile · As of October 29, 2026

View at Blue Nile

About this 6.31ct lab-grown round diamond

This 6.31ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG581318516 or 581318516. Listed at 16 retailers as of October 29, 2026, with prices from $1,327 to $6,091, a $4,764 spread on the same certified stone. Blue Nile lists it at $6,091. 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

6.31

Carat

Color

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35°

Pavilion angle41°

OriginLab Grown

Grading LabIGI

CertificateIGI LG581318516

Dimensions11.83 × 11.74 × 7.34 mm

L/W Ratio1.01

Girdle conditionFaceted

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

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG581318516

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: $6,091 CAD|Low: $885 CAD|High: $6,256 CAD|Avg: $2,960 CAD|+0.0%

Blue Nile

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

Retailer 15

Retailer 16

Retailer 17

Retailer 18

October 29, 2026

Retailer 9$1,239 CAD

Retailer 3$1,327 CAD

Retailer 12$1,443 CAD

Retailer 14$1,540 CAD

Retailer 16$1,540 CAD

Retailer 17$2,190 CAD

Retailer 4$2,204 CAD

Retailer 2$2,212 CAD

Retailer 15$2,301 CAD

Retailer 6$2,462 CAD

Retailer 5$3,177 CAD

Retailer 13$3,317 CAD

Retailer 18$4,328 CAD

Retailer 11$5,228 CAD

Retailer 7$5,356 CAD

Retailer 10$5,709 CAD

Retailer 8$6,074 CAD

Blue Nile$6,091 CAD

32 data points across 18 retailers

16 retailers$1,327 CAD to $6,091 CAD

Cheapest Retailer

$1,327 CAD

$948 USD

Retailer 2

$1,443 CAD

$1,031 USD

View

Retailer 3

$1,540 CAD

$1,100 USD

View

Price last confirmed 13 days ago

Retailer 4

$1,540 CAD

$1,100 USD

View

B+

Retailer 5

$2,190 CAD

$1,565 USD

View

B+

Retailer 6

$2,204 CAD

$1,575 USD

View

B+

Retailer 7

$2,212 CAD

€1,505 EUR

View

Retailer 8

$2,301 CAD

£1,295 GBP

View

Price last confirmed 13 days ago

B+

Retailer 9

$2,462 CAD

$1,759 USD

View

B+

Retailer 10

$3,177 CAD

$2,270 USD

View

B+

Retailer 11

$3,317 CAD

$2,370 USD

View

Retailer 12

$4,328 CAD

$3,092 USD

View

Retailer 13

$5,228 CAD

£2,941 GBP

View

Retailer 14

$5,356 CAD

$3,827 USD

View

Price last confirmed 11 days ago

Retailer 15

$6,074 CAD

$4,340 USD

View

Most Expensive

Blue Nile

25245800 · Oct 29

$6,091 CAD

$4,352 USD

View

15 more retailers have this diamond

Prices start from $1,327 CADSave up to $4,764 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.

Similar diamonds

6.31ct Round

$1,327 CAD