Oval|Lab Grown|IGI

1.65ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG836612046

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836612046

Diamond specifications and retailer prices

From £268 GBP

$357 USD

As of October 29, 2026

Save £3,344 GBP (93%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: £3,612 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.65ct lab-grown oval diamond

This 1.65ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836612046 or 836612046. Listed at 20 retailers as of October 29, 2026, with prices from £268 to £3,612, a £3,344 spread on the same certified stone. Brilliant Earth lists it at £3,612. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.7°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG836612046

Dimensions9.54 × 6.69 × 4.06 mm

L/W Ratio1.43

Girdle conditionFaceted

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 LG836612046

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: £598 GBP|Low: £268 GBP|High: £2,970 GBP|Avg: £780 GBP|-4.5%

Retailer 1

Retailer 2

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October 29, 2026

Retailer 4£268 GBP

Retailer 20£303 GBP

Retailer 19£311 GBP

Retailer 8£332 GBP

Retailer 16£332 GBP

Retailer 12£344 GBP

Retailer 15£447 GBP

Retailer 2£532 GBP

Retailer 14£571 GBP

Retailer 10£574 GBP

Retailer 1£598 GBP

Retailer 5£909 GBP

Retailer 3£974 GBP

Retailer 7£1,068 GBP

Retailer 6£1,099 GBP

Retailer 18£1,147 GBP

Retailer 13£1,149 GBP

Retailer 11£1,159 GBP

Retailer 17£1,300 GBP

Retailer 9£2,970 GBP

23 data points across 20 retailers

20 retailers£268 GBP to £3,612 GBP

Cheapest Retailer

£268 GBP

$357 USD

Retailer 2

£303 GBP

$404 USD

View

Final sale: no returns

Retailer 3

£311 GBP

$414 USD

View

Retailer 4

£332 GBP

$442 USD

View

Retailer 5

£332 GBP

$442 USD

View

Retailer 6

£344 GBP

View

Retailer 7

£447 GBP

$595 USD

View

Retailer 8

£532 GBP

$708 USD

View

Retailer 9

£571 GBP

ZAR 12,282 ZAR

View

Retailer 10

£598 GBP

View

B+

Retailer 11

£909 GBP

$1,210 USD

View

B+

Retailer 12

£974 GBP

$1,297 USD

View

B+

Retailer 13

£1,068 GBP

$1,422 USD

View

B+

Retailer 14

£1,099 GBP

$1,463 USD

View

B+

Retailer 15

£1,147 GBP

$1,528 USD

View

B+

Retailer 16

£1,149 GBP

SGD 2,067 SGD

View

B+

Retailer 17

£1,159 GBP

$1,544 USD

View

B+

Retailer 18

£1,300 GBP

View

Retailer 19

£2,970 GBP

$3,955 USD

View

Most Expensive

Brilliant Earth

21589416A · Oct 29

£3,612 GBP

$4,810 USD

View

19 more retailers have this diamond

Prices start from £268 GBPSave up to £3,344 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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