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 £197 GBP

$264 USD

As of November 1, 2026

Save £1,676 GBP (89%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: £1,873 GBP 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 £197 to £1,873, a £1,676 spread on the same certified stone. Brilliant Earth lists it at £1,873. 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

Unlock full score analysis

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

Price History

Last verified: Nov 1

Current: £1,873 GBP|Low: £176 GBP|High: £1,970 GBP|Avg: £615 GBP|-4.9%

Brilliant Earth

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November 1, 2026

Retailer 16£197 GBP

Retailer 9£202 GBP

Retailer 7£234 GBP

Retailer 3£250 GBP

Retailer 15£250 GBP

Retailer 23£277 GBP

Retailer 22£369 GBP

Retailer 18£408 GBP

Retailer 5£414 GBP

Retailer 19£429 GBP

Retailer 13£439 GBP

Retailer 8£573 GBP

Retailer 20£581 GBP

Retailer 4£642 GBP

Retailer 6£785 GBP

Retailer 12£802 GBP

Retailer 11£811 GBP

Retailer 14£841 GBP

Retailer 17£864 GBP

Retailer 21£896 GBP

Retailer 10£960 GBP

Retailer 2£1,001 GBP

Brilliant Earth£1,873 GBP

39 data points across 23 retailers

25 retailers£197 GBP to £1,873 GBP

Cheapest Retailer

£197 GBP

$264 USD

Final sale: no returns

Retailer 2

£202 GBP

$270 USD

View

Retailer 3

£234 GBP

$313 USD

View

Retailer 4

£250 GBP

$335 USD

View

Retailer 5

£250 GBP

$335 USD

View

Price last confirmed 7 days ago

Retailer 6

£277 GBP

HK$2,900 HKD

View

Retailer 7

£369 GBP

$495 USD

View

Retailer 8

£408 GBP

€521 EUR

View

B+

Retailer 9

£414 GBP

$555 USD

View

Retailer 10

£429 GBP

ZAR 9,286 ZAR

View

Retailer 11

£439 GBP

View

B+

Retailer 12

£573 GBP

$768 USD

View

B+

Retailer 13

£581 GBP

A$1,197 AUD

View

B+

Retailer 14

£642 GBP

$860 USD

View

B+

Retailer 15

£785 GBP

$1,052 USD

View

B+

Retailer 16

£802 GBP

$1,075 USD

View

B+

Retailer 17

£811 GBP

SGD 1,469 SGD

View

B+

Retailer 18

£841 GBP

$1,126 USD

View

B+

Retailer 19

£864 GBP

A$1,782 AUD

View

Retailer 20

£892 GBP

$1,195 USD

View

Price last confirmed 25 days ago

Retailer 21

£896 GBP

$1,200 USD

View

Retailer 22

£901 GBP

$1,207 USD

View

Retailer 23

£960 GBP

$1,286 USD

View

Retailer 24

£1,001 GBP

View

Most Expensive

Brilliant Earth

18300655A · Oct 26

£1,873 GBP

$2,510 USD

View

24 more retailers have this diamond

Prices start from £197 GBPSave up to £1,676 GBP

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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