Oval|Lab Grown|IGI

1.64ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG731533569

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG731533569

Diamond specifications and retailer prices

From £224 GBP

$298 USD

As of October 29, 2026

Save £2,307 GBP (91%) vs most expensive(unlock to see where)

28 retailers carry this diamond

Most expensive: £2,531 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.64ct lab-grown oval diamond

This 1.64ct lab-grown oval 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 LG731533569 or 731533569. Listed at 28 retailers as of October 29, 2026, with prices from £224 to £2,531, a £2,307 spread on the same certified stone. Brilliant Earth lists it at £2,531. 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

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.2°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG731533569

Dimensions9.72 × 6.66 × 4.10 mm

L/W Ratio1.46

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG731533569

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 29

Current: £2,531 GBP|Low: £215 GBP|High: £2,531 GBP|Avg: £743 GBP

Brilliant Earth

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October 29, 2026

Retailer 3£224 GBP

Retailer 11£250 GBP

Retailer 7£259 GBP

Retailer 5£277 GBP

Retailer 12£277 GBP

Retailer 14£317 GBP

Retailer 17£394 GBP

Retailer 20£403 GBP

Retailer 9£476 GBP

Retailer 16£526 GBP

Retailer 2£547 GBP

Retailer 15£713 GBP

Retailer 19£852 GBP

Retailer 6£984 GBP

Retailer 4£1,039 GBP

Retailer 8£1,131 GBP

Retailer 10£1,190 GBP

Retailer 13£1,233 GBP

Retailer 18£1,862 GBP

Brilliant Earth£2,531 GBP

44 data points across 20 retailers

28 retailers£224 GBP to £2,531 GBP

Cheapest Retailer

£224 GBP

$298 USD

Retailer 2

£250 GBP

$333 USD

View

Final sale: no returns

Retailer 3

£259 GBP

$345 USD

View

Retailer 4

£277 GBP

$369 USD

View

Retailer 5

£277 GBP

$369 USD

View

Retailer 6

£317 GBP

View

Retailer 7

£394 GBP

HK$4,100 HKD

View

Retailer 8

£394 GBP

$525 USD

View

Retailer 9

£403 GBP

$537 USD

View

Retailer 10

£476 GBP

$634 USD

View

Retailer 11

£526 GBP

ZAR 11,313 ZAR

View

Retailer 12

£547 GBP

View

Retailer 13

£693 GBP

$923 USD

View

Retailer 14

£713 GBP

A$1,461 AUD

View

B+

Retailer 15

£852 GBP

$1,134 USD

View

B+

Retailer 16

£984 GBP

$1,310 USD

View

B+

Retailer 17

£1,039 GBP

$1,384 USD

View

B+

Retailer 18

£1,065 GBP

$1,418 USD

View

B+

Retailer 19

£1,105 GBP

$1,471 USD

View

B+

Retailer 20

£1,127 GBP

$1,501 USD

View

B+

Retailer 21

£1,131 GBP

SGD 2,035 SGD

View

B+

Retailer 22

£1,190 GBP

View

B+

Retailer 23

£1,233 GBP

View

Retailer 24

£1,862 GBP

$2,480 USD

View

Retailer 25

£1,966 GBP

$2,618 USD

View

Price last confirmed 101 days ago

Retailer 26

£1,982 GBP

$2,640 USD

View

Retailer 27

£2,222 GBP

View

Most Expensive

Brilliant Earth

20152709Y · Oct 29

£2,531 GBP

$3,370 USD

View

27 more retailers have this diamond

Prices start from £224 GBPSave up to £2,307 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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