Round|Lab Grown|IGI

6.15ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG635428643

Shape and cutting style on the report: Round brilliant

Certificate IGI LG635428643

Diamond specifications and retailer prices

From $15,937 CAD

$11,409 USD

As of October 29, 2026

Save $60,315 CAD (79%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: $76,252 CAD at Michael Trio · As of October 31, 2026

View at Michael Trio

About this 6.15ct lab-grown round diamond

This 6.15ct lab-grown round sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG635428643 or 635428643. Listed at 24 retailers as of October 29, 2026, with prices from $15,937 to $76,252, a $60,315 spread on the same certified stone. Michael Trio lists it at $76,252. 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

6.15

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.9°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG635428643

Dimensions11.84 × 11.78 × 7.18 mm

L/W Ratio1.01

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 LG635428643

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: $76,252 CAD|Low: $15,937 CAD|High: $76,252 CAD|Avg: $32,052 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

Retailer 22

Retailer 23

Retailer 24

October 31, 2026

Retailer 3$15,937 CAD

Retailer 16$16,094 CAD

Retailer 5$16,267 CAD

Retailer 24$16,576 CAD

Retailer 6$17,939 CAD

Retailer 7$18,488 CAD

Retailer 4$19,125 CAD

Retailer 8$19,615 CAD

Retailer 23$19,619 CAD

Retailer 9$19,720 CAD

Retailer 11$20,567 CAD

Retailer 21$21,908 CAD

Retailer 13$23,760 CAD

Retailer 20$30,028 CAD

Retailer 14$33,813 CAD

Retailer 2$34,486 CAD

Retailer 18$34,671 CAD

Retailer 22$38,504 CAD

Retailer 19$39,488 CAD

Retailer 12$50,876 CAD

Retailer 10$51,088 CAD

Retailer 17$58,608 CAD

Retailer 15$71,396 CAD

Michael Trio$76,252 CAD

30 data points across 24 retailers

24 retailers$15,937 CAD to $76,252 CAD

Cheapest Retailer

$15,937 CAD

$11,409 USD

Retailer 2

$16,094 CAD

$11,521 USD

View

Retailer 3

$16,267 CAD

$11,645 USD

View

Price last confirmed 13 days ago

Retailer 4

$16,576 CAD

$11,866 USD

View

Retailer 5

$17,939 CAD

£10,112 GBP

View

Price last confirmed 14 days ago

Retailer 6

$18,488 CAD

$13,235 USD

View

Retailer 7

$19,125 CAD

$13,691 USD

View

Retailer 8

$19,615 CAD

$14,042 USD

View

Retailer 9

$19,619 CAD

$14,045 USD

View

Retailer 10

$19,720 CAD

$14,117 USD

View

Retailer 11

$20,567 CAD

$14,723 USD

View

Retailer 12

$21,908 CAD

$15,683 USD

View

Final sale: no returns

Retailer 13

$23,760 CAD

£13,393 GBP

View

B+

Retailer 14

$30,028 CAD

£16,926 GBP

View

B+

Retailer 15

$33,813 CAD

$24,206 USD

View

B+

Retailer 16

$34,486 CAD

€23,512 EUR

View

B+

Retailer 17

$34,671 CAD

$24,820 USD

View

Retailer 18

$38,504 CAD

A$42,406 AUD

View

Price last confirmed 9 days ago

B+

Retailer 19

$39,488 CAD

ZAR 456,682 ZAR

View

Retailer 20

$50,876 CAD

$36,420 USD

View

Retailer 21

$51,088 CAD

A$56,265 AUD

View

Price last confirmed 23 days ago

Retailer 22

$58,608 CAD

$41,956 USD

View

Retailer 23

$71,396 CAD

$51,110 USD

View

Most Expensive

Michael Trio

5317607170 · Oct 31

$76,252 CAD

SGD 73,766 SGD

View

23 more retailers have this diamond

Prices start from $15,937 CADSave up to $60,315 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

6.15ct Round

$15,937 CAD