Princess|Lab Grown|IGI

1.89ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG731558371

Shape and cutting style on the report: Princess cut

Certificate IGI LG731558371

Diamond specifications and retailer prices

From $377 AUD

$264 USD

As of November 1, 2026

Save $3,205 AUD (89%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: $3,582 AUD at Brilliant Earth · As of October 26, 2026

View at Brilliant Earth

About this 1.89ct lab-grown princess diamond

This 1.89ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG731558371 or 731558371. Listed at 25 retailers as of October 26, 2026, with prices from $377 to $3,582, a $3,205 spread on the same certified stone. Brilliant Earth lists it at $3,582. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle40.2°

Pavilion angle37.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG731558371

Dimensions6.82 × 6.82 × 4.64 mm

L/W Ratio1.00

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG731558371

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1

Current: $3,582 AUD|Low: $337 AUD|High: $3,767 AUD|Avg: $1,228 AUD|-4.9%

Brilliant Earth

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November 2, 2026

Retailer 9$385 AUD

Retailer 7$447 AUD

Retailer 4$478 AUD

Retailer 15$478 AUD

Retailer 3$530 AUD

Retailer 22$706 AUD

Retailer 19$781 AUD

Retailer 5$792 AUD

Retailer 16$823 AUD

Retailer 13$838 AUD

Retailer 8$1,096 AUD

Retailer 20$1,110 AUD

Retailer 2$1,240 AUD

Retailer 6$1,501 AUD

Retailer 12$1,534 AUD

Retailer 11$1,551 AUD

Retailer 14$1,607 AUD

Retailer 18$1,653 AUD

Retailer 21$1,712 AUD

Retailer 10$1,835 AUD

Retailer 17$1,914 AUD

Brilliant Earth$3,582 AUD

39 data points across 22 retailers

25 retailers$377 AUD to $3,582 AUD

Cheapest Retailer

$377 AUD

$264 USD

Final sale: no returns

Retailer 2

$385 AUD

$270 USD

View

Retailer 3

$447 AUD

$313 USD

View

Retailer 4

$478 AUD

$335 USD

View

Retailer 5

$478 AUD

$335 USD

View

Price last confirmed 8 days ago

Retailer 6

$530 AUD

HK$2,900 HKD

View

Retailer 7

$706 AUD

$495 USD

View

Retailer 8

$781 AUD

€521 EUR

View

B+

Retailer 9

$792 AUD

$555 USD

View

Retailer 10

$823 AUD

ZAR 9,319 ZAR

View

Retailer 11

$838 AUD

£463 GBP

View

B+

Retailer 12

$1,096 AUD

$768 USD

View

B+

Retailer 13

$1,110 AUD

View

B+

Retailer 14

$1,240 AUD

$869 USD

View

B+

Retailer 15

$1,501 AUD

$1,052 USD

View

B+

Retailer 16

$1,534 AUD

$1,075 USD

View

B+

Retailer 17

$1,551 AUD

SGD 1,469 SGD

View

B+

Retailer 18

$1,607 AUD

$1,126 USD

View

B+

Retailer 19

$1,653 AUD

View

Retailer 20

$1,705 AUD

$1,195 USD

View

Price last confirmed 26 days ago

B+

Retailer 21

$1,712 AUD

$1,200 USD

View

Retailer 22

$1,722 AUD

$1,207 USD

View

Retailer 23

$1,835 AUD

$1,286 USD

View

Retailer 24

$1,914 AUD

£1,056 GBP

View

Most Expensive

Brilliant Earth

18300655A · Oct 26

$3,582 AUD

$2,510 USD

View

24 more retailers have this diamond

Prices start from $377 AUDSave up to $3,205 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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1.89ct Princess

$377 AUD