Oval|Lab Grown|IGI

1.67ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG840629764

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG840629764

Diamond specifications and retailer prices

From £271 GBP

$361 USD

As of October 29, 2026

Save £3,386 GBP (93%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £3,657 GBP at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

About this 1.67ct lab-grown oval diamond

This 1.67ct 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 LG840629764 or 840629764. Listed at 19 retailers as of October 28, 2026, with prices from £271 to £3,657, a £3,386 spread on the same certified stone. Brilliant Earth lists it at £3,657. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.1°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG840629764

Dimensions9.39 × 6.75 × 4.13 mm

L/W Ratio1.39

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 LG840629764

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: Oct 29

Current: £3,657 GBP|Low: £271 GBP|High: £3,657 GBP|Avg: £1,001 GBP

Brilliant Earth

Retailer 2

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October 29, 2026

Retailer 10£271 GBP

Retailer 7£307 GBP

Retailer 5£314 GBP

Retailer 14£336 GBP

Retailer 13£348 GBP

Retailer 3£451 GBP

Retailer 15£532 GBP

Retailer 18£538 GBP

Retailer 17£577 GBP

Retailer 2£604 GBP

Retailer 4£929 GBP

Retailer 19£1,080 GBP

Retailer 11£1,110 GBP

Retailer 8£1,157 GBP

Retailer 6£1,161 GBP

Retailer 9£1,174 GBP

Retailer 12£1,320 GBP

Retailer 16£3,004 GBP

Brilliant Earth£3,657 GBP

4 data points across 19 retailers

19 retailers£271 GBP to £3,657 GBP

Cheapest Retailer

£271 GBP

$361 USD

Retailer 2

£307 GBP

$409 USD

View

Final sale: no returns

Retailer 3

£314 GBP

$418 USD

View

Retailer 4

£336 GBP

$447 USD

View

Retailer 5

£348 GBP

View

Retailer 6

£451 GBP

$600 USD

View

Retailer 7

£532 GBP

$708 USD

View

Retailer 8

£538 GBP

$717 USD

View

Retailer 9

£577 GBP

ZAR 12,419 ZAR

View

Retailer 10

£604 GBP

View

B+

Retailer 11

£929 GBP

$1,237 USD

View

B+

Retailer 12

£1,080 GBP

$1,438 USD

View

B+

Retailer 13

£1,110 GBP

$1,479 USD

View

B+

Retailer 14

£1,157 GBP

SGD 2,082 SGD

View

B+

Retailer 15

£1,161 GBP

$1,546 USD

View

B+

Retailer 16

£1,174 GBP

$1,563 USD

View

B+

Retailer 17

£1,320 GBP

View

Retailer 18

£3,004 GBP

$4,000 USD

View

Most Expensive

Brilliant Earth

22310841A · Oct 28

£3,657 GBP

$4,870 USD

View

18 more retailers have this diamond

Prices start from £271 GBPSave up to £3,386 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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1.67ct Oval

£271 GBP