Round|Lab Grown|IGI

6.75ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG729550871

Shape and cutting style on the report: Round brilliant

Certificate IGI LG729550871

Diamond specifications and retailer prices

From $12,397 AUD

£6,857 GBP

As of November 2, 2026

Save $43,801 AUD (78%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $56,198 AUD at With Clarity · As of November 2, 2026

View at With Clarity

About this 6.75ct lab-grown round diamond

This 6.75ct lab-grown round sits in the over five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729550871 or 729550871. Listed at 26 retailers as of November 2, 2026, with prices from $12,397 to $56,198, a $43,801 spread on the same certified stone. With Clarity lists it at $56,198. 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

6.75

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.5°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG729550871

Dimensions12.04 × 11.99 × 7.48 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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG729550871

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: Nov 2

Current: $12,397 AUD|Low: $12,397 AUD|High: $56,198 AUD|Avg: $23,011 AUD|-3.0%

Retailer 1

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

With Clarity

November 2, 2026

Retailer 1$12,397 AUD

Retailer 11$12,563 AUD

Retailer 3$12,979 AUD

Retailer 22$13,066 AUD

Retailer 10$14,069 AUD

Retailer 19$14,485 AUD

Retailer 13$14,573 AUD

Retailer 15$14,720 AUD

Retailer 14$14,791 AUD

Retailer 2$14,832 AUD

Retailer 21$16,388 AUD

Retailer 16$17,516 AUD

Retailer 5$24,344 AUD

Retailer 12$24,885 AUD

Retailer 18$26,532 AUD

Retailer 4$26,655 AUD

Retailer 8$26,684 AUD

Retailer 17$27,644 AUD

Retailer 9$28,198 AUD

Retailer 20$35,086 AUD

Retailer 6$40,589 AUD

Retailer 7$46,070 AUD

With Clarity$56,198 AUD

27 data points across 23 retailers

26 retailers$12,397 AUD to $56,198 AUD

Cheapest Retailer

$12,397 AUD

£6,857 GBP

Retailer 2

$12,563 AUD

$8,825 USD

View

Retailer 3

$12,979 AUD

$9,117 USD

View

Retailer 4

$13,066 AUD

$9,178 USD

View

B+

Retailer 5

$14,069 AUD

$9,883 USD

View

Final sale: no returns

B+

Retailer 6

$14,485 AUD

$10,175 USD

View

B+

Retailer 7

$14,573 AUD

$10,237 USD

View

Retailer 8

$14,720 AUD

$10,340 USD

View

Price last confirmed 15 days ago

B+

Retailer 9

$14,791 AUD

$10,390 USD

View

Retailer 10

$14,832 AUD

$10,419 USD

View

Retailer 11

$14,885 AUD

$10,456 USD

View

Price last confirmed 16 days ago

B+

Retailer 12

$16,388 AUD

$11,512 USD

View

B+

Retailer 13

$17,516 AUD

£9,688 GBP

View

B+

Retailer 14

$24,344 AUD

$17,100 USD

View

B+

Retailer 15

$24,885 AUD

€16,648 EUR

View

B+

Retailer 16

$25,182 AUD

$17,689 USD

View

B+

Retailer 17

$26,532 AUD

£14,675 GBP

View

Retailer 18

$26,655 AUD

$18,724 USD

View

Retailer 19

$26,684 AUD

$18,744 USD

View

Retailer 20

$27,644 AUD

View

B+

Retailer 21

$28,198 AUD

ZAR 319,998 ZAR

View

Retailer 22

$35,086 AUD

View

Retailer 23

$37,455 AUD

$26,310 USD

View

Price last confirmed 18 days ago

Retailer 24

$40,589 AUD

$28,511 USD

View

Retailer 25

$46,070 AUD

$32,362 USD

View

Most Expensive

With Clarity

729550871 · Nov 2

$56,198 AUD

$39,476 USD

View

25 more retailers have this diamond

Prices start from $12,397 AUDSave up to $43,801 AUD

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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6.75ct Round

$12,397 AUD