Round|Lab Grown|IGI

6.00ct D IF Round Lab Grown Diamond

EX • D/IF • IGI LG729550851

Shape and cutting style on the report: Round brilliant

Certificate IGI LG729550851

Diamond specifications and retailer prices

From $14,556 CAD

$10,420 USD

As of October 29, 2026

Save $36,929 CAD (72%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: $51,485 CAD at Taylor and Hart · As of October 30, 2026

View at Taylor and Hart

About this 6ct lab-grown round diamond

This 6ct 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 LG729550851 or 729550851. Listed at 25 retailers as of October 29, 2026, with prices from $14,556 to $51,485, a $36,929 spread on the same certified stone. Taylor and Hart lists it at $51,485. 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

6.00

Carat

Color

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.1°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG729550851

Dimensions11.80 × 11.84 × 6.98 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizePointed

Cert comments

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG729550851

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: $33,968 CAD|Low: $14,556 CAD|High: $87,140 CAD|Avg: $29,133 CAD|+2.3%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

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Retailer 16

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Retailer 20

Taylor and Hart

October 31, 2026

Retailer 5$14,556 CAD

Retailer 17$14,852 CAD

Retailer 15$15,138 CAD

Retailer 12$15,824 CAD

Retailer 4$16,300 CAD

Retailer 6$16,623 CAD

Retailer 9$16,884 CAD

Retailer 16$16,989 CAD

Retailer 13$17,915 CAD

Retailer 14$19,995 CAD

Retailer 7$24,184 CAD

Retailer 2$25,551 CAD

Retailer 8$26,664 CAD

Retailer 19$30,802 CAD

Retailer 18$30,883 CAD

Retailer 3$32,672 CAD

Retailer 1$33,968 CAD

Retailer 11$38,210 CAD

Retailer 20$47,044 CAD

Taylor and Hart$51,485 CAD

Retailer 10$87,140 CAD

38 data points across 21 retailers

25 retailers$14,556 CAD to $51,485 CAD

Cheapest Retailer

$14,556 CAD

$10,420 USD

Retailer 2

$14,852 CAD

$10,632 USD

View

Retailer 3

$15,138 CAD

$10,837 USD

View

Retailer 4

$15,824 CAD

$11,328 USD

View

Retailer 5

$16,300 CAD

$11,669 USD

View

Final sale: no returns

Retailer 6

$16,623 CAD

$11,900 USD

View

Retailer 7

$16,884 CAD

$12,087 USD

View

Retailer 8

$16,989 CAD

$12,162 USD

View

Retailer 9

$17,915 CAD

$12,825 USD

View

Price last confirmed 14 days ago

Retailer 10

$18,689 CAD

$13,379 USD

View

Retailer 11

$19,995 CAD

£11,271 GBP

View

Retailer 12

$20,248 CAD

$14,495 USD

View

Price last confirmed 16 days ago

B+

Retailer 13

$24,184 CAD

£13,632 GBP

View

B+

Retailer 14

$25,551 CAD

$18,291 USD

View

B+

Retailer 15

$26,664 CAD

£15,030 GBP

View

B+

Retailer 16

$29,285 CAD

$20,964 USD

View

B+

Retailer 17

$30,802 CAD

$22,050 USD

View

B+

Retailer 18

$30,883 CAD

$22,108 USD

View

B+

Retailer 19

$32,672 CAD

ZAR 377,849 ZAR

View

B+

Retailer 20

$33,968 CAD

€23,159 EUR

View

Retailer 21

$38,210 CAD

A$42,082 AUD

View

Price last confirmed 9 days ago

Retailer 22

$47,044 CAD

$33,677 USD

View

Retailer 23

$50,484 CAD

$36,140 USD

View

Price last confirmed 17 days ago

Most Expensive

Taylor and Hart

DOPP65X · Oct 30

$51,485 CAD

$36,857 USD

View

23 more retailers have this diamond

Prices start from $14,556 CADSave up to $36,929 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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6.00ct Round

$14,556 CAD