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 $15,451 NZD

£6,857 GBP

As of November 2, 2026

Save $54,591 NZD (78%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $70,042 NZD 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 $15,451 to $70,042, a $54,591 spread on the same certified stone. With Clarity lists it at $70,042. 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: $15,451 NZD|Low: $15,451 NZD|High: $70,042 NZD|Avg: $28,680 NZD|-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$15,451 NZD

Retailer 11$15,658 NZD

Retailer 3$16,176 NZD

Retailer 22$16,285 NZD

Retailer 10$17,535 NZD

Retailer 19$18,054 NZD

Retailer 13$18,164 NZD

Retailer 15$18,346 NZD

Retailer 14$18,435 NZD

Retailer 2$18,486 NZD

Retailer 21$20,426 NZD

Retailer 16$21,831 NZD

Retailer 5$30,341 NZD

Retailer 12$31,015 NZD

Retailer 18$33,068 NZD

Retailer 4$33,222 NZD

Retailer 8$33,257 NZD

Retailer 17$34,454 NZD

Retailer 9$35,145 NZD

Retailer 20$43,729 NZD

Retailer 6$50,588 NZD

Retailer 7$57,419 NZD

With Clarity$70,042 NZD

27 data points across 23 retailers

26 retailers$15,451 NZD to $70,042 NZD

Cheapest Retailer

$15,451 NZD

£6,857 GBP

Retailer 2

$15,658 NZD

$8,825 USD

View

Retailer 3

$16,176 NZD

$9,117 USD

View

Retailer 4

$16,285 NZD

$9,178 USD

View

B+

Retailer 5

$17,535 NZD

$9,883 USD

View

Final sale: no returns

B+

Retailer 6

$18,054 NZD

$10,175 USD

View

B+

Retailer 7

$18,164 NZD

$10,237 USD

View

Retailer 8

$18,346 NZD

$10,340 USD

View

Price last confirmed 15 days ago

B+

Retailer 9

$18,435 NZD

$10,390 USD

View

Retailer 10

$18,486 NZD

$10,419 USD

View

Retailer 11

$18,552 NZD

$10,456 USD

View

Price last confirmed 16 days ago

B+

Retailer 12

$20,426 NZD

$11,512 USD

View

B+

Retailer 13

$21,831 NZD

£9,688 GBP

View

B+

Retailer 14

$30,341 NZD

$17,100 USD

View

B+

Retailer 15

$31,015 NZD

€16,648 EUR

View

B+

Retailer 16

$31,386 NZD

$17,689 USD

View

B+

Retailer 17

$33,068 NZD

£14,675 GBP

View

Retailer 18

$33,222 NZD

$18,724 USD

View

Retailer 19

$33,257 NZD

$18,744 USD

View

Retailer 20

$34,454 NZD

A$29,874 AUD

View

B+

Retailer 21

$35,145 NZD

ZAR 319,998 ZAR

View

Retailer 22

$43,729 NZD

A$37,917 AUD

View

Retailer 23

$46,682 NZD

$26,310 USD

View

Price last confirmed 18 days ago

Retailer 24

$50,588 NZD

$28,511 USD

View

Retailer 25

$57,419 NZD

$32,362 USD

View

Most Expensive

With Clarity

729550871 · Nov 2

$70,042 NZD

$39,476 USD

View

25 more retailers have this diamond

Prices start from $15,451 NZDSave up to $54,591 NZD

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

$15,451 NZD