Princess|Lab Grown|IGI

1.64ct E IF Princess Lab Grown Diamond

ID • E/IF • IGI LG678568055

Shape and cutting style on the report: Princess cut

Certificate IGI LG678568055

Diamond specifications and retailer prices

From $1,028 AUD

$722 USD

As of October 28, 2026

Save $4,367 AUD (81%) vs most expensive(unlock to see where)

27 retailers carry this diamond

Most expensive: $5,395 AUD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.64ct lab-grown princess diamond

This 1.64ct lab-grown princess sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG678568055 or 678568055. Listed at 27 retailers as of October 28, 2026, with prices from $1,028 to $5,395, a $4,367 spread on the same certified stone. Brilliant Earth lists it at $5,395. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43.4°

Pavilion angle41.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG678568055

Dimensions6.23 × 6.20 × 4.85 mm

L/W Ratio1.00

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 LG678568055

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 28

Current: $5,395 AUD|Low: $1,028 AUD|High: $5,395 AUD|Avg: $2,569 AUD

Brilliant Earth

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

October 29, 2026

Retailer 12$1,028 AUD

Retailer 9$1,066 AUD

Retailer 16$1,239 AUD

Retailer 19$1,317 AUD

Retailer 10$1,421 AUD

Retailer 5$1,526 AUD

Retailer 2$1,698 AUD

Retailer 13$1,735 AUD

Retailer 4$1,843 AUD

Retailer 14$1,958 AUD

Retailer 17$2,330 AUD

Retailer 18$2,652 AUD

Retailer 11$3,319 AUD

Retailer 20$3,420 AUD

Retailer 3$3,439 AUD

Retailer 7$3,593 AUD

Retailer 8$3,678 AUD

Retailer 6$3,723 AUD

Retailer 15$4,496 AUD

Brilliant Earth$5,395 AUD

40 data points across 20 retailers

27 retailers$1,028 AUD to $5,395 AUD

Retailer 1

$920 AUD

$646 USD

Price last confirmed 30 days ago

Retailer 2

$1,028 AUD

$722 USD

View

Final sale: no returns

Retailer 3

$1,035 AUD

$727 USD

View

Price last confirmed 36 days ago

Retailer 4

$1,052 AUD

$739 USD

View

Price last confirmed 31 days ago

Retailer 5

$1,066 AUD

$749 USD

View

Price last confirmed 13 days ago

Retailer 6

$1,239 AUD

HK$6,800 HKD

View

Retailer 7

$1,317 AUD

$925 USD

View

Retailer 8

$1,421 AUD

$998 USD

View

Retailer 9

$1,526 AUD

$1,072 USD

View

Retailer 10

$1,698 AUD

£939 GBP

View

Retailer 11

$1,735 AUD

€1,161 EUR

View

Retailer 12

$1,843 AUD

$1,295 USD

View

Retailer 13

$1,958 AUD

ZAR 22,226 ZAR

View

Retailer 14

$2,330 AUD

$1,637 USD

View

Price last confirmed 8 days ago

B+

Retailer 15

$2,474 AUD

$1,738 USD

View

Retailer 16

$2,652 AUD

View

Price last confirmed 8 days ago

Retailer 17

$2,996 AUD

$2,105 USD

View

Price last confirmed 29 days ago

B+

Retailer 18

$3,319 AUD

£1,836 GBP

View

Retailer 19

$3,420 AUD

View

Price last confirmed 21 days ago

B+

Retailer 20

$3,439 AUD

$2,416 USD

View

Retailer 21

$3,464 AUD

$2,433 USD

View

Price last confirmed 87 days ago

B+

Retailer 22

$3,593 AUD

SGD 3,411 SGD

View

B+

Retailer 23

$3,635 AUD

$2,554 USD

View

B+

Retailer 24

$3,678 AUD

$2,584 USD

View

B+

Retailer 25

$3,723 AUD

$2,615 USD

View

B+

Retailer 26

$4,496 AUD

£2,487 GBP

View

Most Expensive

Brilliant Earth

14070128A · Oct 29

$5,395 AUD

$3,790 USD

View

26 more retailers have this diamond

Prices start from $1,028 AUDSave up to $4,367 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.

Similar diamonds

1.64ct Princess

$1,028 AUD