Oval|Lab Grown|IGI

1.05ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG811640964

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG811640964

Diamond specifications and retailer prices

From £156 GBP

$209 USD

As of October 29, 2026

Save £1,426 GBP (90%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £1,582 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 1.05ct lab-grown oval diamond

This 1.05ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811640964 or 811640964. Listed at 18 retailers as of October 29, 2026, with prices from £156 to £1,582, a £1,426 spread on the same certified stone. Brilliant Earth lists it at £1,582. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.2°

Pavilion angle39.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG811640964

Dimensions8.48 × 5.60 × 3.40 mm

L/W Ratio1.51

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG811640964

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: £1,582 GBP|Low: £154 GBP|High: £1,926 GBP|Avg: £531 GBP|-17.8%

Brilliant Earth

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October 30, 2026

Retailer 19£156 GBP

Retailer 4£173 GBP

Retailer 15£181 GBP

Retailer 7£193 GBP

Retailer 14£193 GBP

Retailer 13£332 GBP

Retailer 17£333 GBP

Retailer 9£335 GBP

Retailer 2£356 GBP

Retailer 16£370 GBP

Retailer 3£450 GBP

Retailer 11£542 GBP

Retailer 6£621 GBP

Retailer 18£623 GBP

Retailer 5£661 GBP

Retailer 10£688 GBP

Retailer 12£778 GBP

Retailer 8£1,396 GBP

Brilliant Earth£1,582 GBP

40 data points across 19 retailers

18 retailers£156 GBP to £1,582 GBP

Cheapest Retailer

£156 GBP

$209 USD

Retailer 2

£173 GBP

$232 USD

View

Final sale: no returns

Retailer 3

£181 GBP

$242 USD

View

Retailer 4

£193 GBP

$259 USD

View

Retailer 5

£193 GBP

$259 USD

View

Retailer 6

£332 GBP

ZAR 7,183 ZAR

View

Retailer 7

£333 GBP

$446 USD

View

Retailer 8

£356 GBP

View

Retailer 9

£370 GBP

$496 USD

View

B+

Retailer 10

£450 GBP

$603 USD

View

B+

Retailer 11

£542 GBP

SGD 982 SGD

View

B+

Retailer 12

£621 GBP

$832 USD

View

B+

Retailer 13

£623 GBP

$835 USD

View

B+

Retailer 14

£661 GBP

$885 USD

View

B+

Retailer 15

£688 GBP

$922 USD

View

B+

Retailer 16

£778 GBP

View

Retailer 17

£1,396 GBP

$1,870 USD

View

Most Expensive

Brilliant Earth

21422789A · Oct 30

£1,582 GBP

$2,120 USD

View

17 more retailers have this diamond

Prices start from £156 GBPSave up to £1,426 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.

Where to buy this spec

See every retailer carrying 1.05ct E FL oval lab-grown

Ranked by inventory count, with return policy, certs, and trust signals.

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