Round|Lab Grown|IGI

6.31ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG634473125

Shape and cutting style on the report: Round brilliant

Certificate IGI LG634473125

Diamond specifications and retailer prices

From $14,085 CAD

$10,083 USD

As of October 29, 2026

Save $53,352 CAD (79%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: $67,437 CAD at Michael Trio · As of October 31, 2026

View at Michael Trio

About this 6.31ct lab-grown round diamond

This 6.31ct lab-grown round sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG634473125 or 634473125. Listed at 24 retailers as of October 29, 2026, with prices from $14,085 to $67,437, a $53,352 spread on the same certified stone. Michael Trio lists it at $67,437. 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

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.4°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG634473125

Dimensions11.83 × 11.80 × 7.34 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizePointed

Cert comments

HEARTS & ARROWS As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG634473125

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: $67,437 CAD|Low: $14,085 CAD|High: $67,437 CAD|Avg: $25,609 CAD

Michael Trio

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

Retailer 19

Retailer 20

Retailer 21

October 31, 2026

Retailer 4$14,085 CAD

Retailer 3$14,648 CAD

Retailer 19$15,073 CAD

Retailer 6$15,961 CAD

Retailer 7$16,338 CAD

Retailer 5$16,901 CAD

Retailer 9$17,439 CAD

Retailer 20$17,440 CAD

Retailer 8$17,605 CAD

Retailer 11$17,952 CAD

Retailer 17$19,330 CAD

Retailer 13$21,379 CAD

Retailer 15$23,719 CAD

Retailer 18$27,832 CAD

Retailer 14$29,882 CAD

Retailer 2$30,429 CAD

Retailer 21$34,101 CAD

Retailer 16$34,897 CAD

Retailer 10$35,447 CAD

Retailer 12$44,961 CAD

Michael Trio$67,437 CAD

29 data points across 21 retailers

24 retailers$14,085 CAD to $67,437 CAD

Cheapest Retailer

$14,085 CAD

$10,083 USD

Retailer 2

$14,308 CAD

$10,243 USD

View

Retailer 3

$14,648 CAD

$10,486 USD

View

Retailer 4

$15,073 CAD

$10,790 USD

View

Retailer 5

$15,961 CAD

£8,997 GBP

View

Price last confirmed 14 days ago

Retailer 6

$16,338 CAD

$11,696 USD

View

Retailer 7

$16,901 CAD

$12,099 USD

View

Retailer 8

$17,439 CAD

$12,484 USD

View

Retailer 9

$17,440 CAD

$12,485 USD

View

Retailer 10

$17,605 CAD

$12,603 USD

View

Retailer 11

$17,952 CAD

$12,851 USD

View

Retailer 12

$19,330 CAD

$13,838 USD

View

Final sale: no returns

Retailer 13

$21,379 CAD

£12,051 GBP

View

Retailer 14

$23,719 CAD

$16,980 USD

View

B+

Retailer 15

$27,832 CAD

£15,688 GBP

View

B+

Retailer 16

$29,882 CAD

$21,392 USD

View

B+

Retailer 17

$30,429 CAD

€20,746 EUR

View

Retailer 18

$34,101 CAD

A$37,557 AUD

View

Price last confirmed 8 days ago

B+

Retailer 19

$34,897 CAD

ZAR 403,580 ZAR

View

Retailer 20

$35,447 CAD

A$39,039 AUD

View

Price last confirmed 22 days ago

Retailer 21

$44,961 CAD

$32,186 USD

View

Retailer 22

$53,617 CAD

$38,383 USD

View

Retailer 23

$63,098 CAD

$45,170 USD

View

Most Expensive

Michael Trio

4751405420 · Oct 31

$67,437 CAD

SGD 65,238 SGD

View

23 more retailers have this diamond

Prices start from $14,085 CADSave up to $53,352 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

$14,085 CAD