Round|Lab Grown|IGI

1.91ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG836614302

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836614302

Diamond specifications and retailer prices

From £372 GBP

$495 USD

As of October 29, 2026

Save £2,842 GBP (88%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: £3,214 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.91ct lab-grown round diamond

This 1.91ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836614302 or 836614302. Listed at 23 retailers as of October 29, 2026, with prices from £372 to £3,214, a £2,842 spread on the same certified stone. Brilliant Earth lists it at £3,214. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.2°

Pavilion angle41°

OriginLab Grown

Grading LabIGI

CertificateIGI LG836614302

Dimensions7.89 × 7.95 × 4.92 mm

L/W Ratio1.01

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 LG836614302

Side View

Caratlytics Score

How it works →

A+

Exceptional

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: £3,214 GBP|Low: £372 GBP|High: £3,214 GBP|Avg: £1,224 GBP

Brilliant Earth

Retailer 2

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October 30, 2026

Retailer 7£372 GBP

Retailer 21£416 GBP

Retailer 23£432 GBP

Retailer 11£461 GBP

Retailer 15£499 GBP

Retailer 19£567 GBP

Retailer 20£591 GBP

Retailer 9£647 GBP

Retailer 3£717 GBP

Retailer 2£764 GBP

Retailer 17£765 GBP

Retailer 18£792 GBP

Retailer 6£1,144 GBP

Retailer 12£1,213 GBP

Retailer 5£1,239 GBP

Retailer 10£1,502 GBP

Retailer 8£1,585 GBP

Retailer 4£1,616 GBP

Retailer 22£1,650 GBP

Retailer 13£1,935 GBP

Retailer 16£2,539 GBP

Retailer 14£2,617 GBP

Brilliant Earth£3,214 GBP

22 data points across 23 retailers

23 retailers£372 GBP to £3,214 GBP

A+

Cheapest Retailer

£372 GBP

$495 USD

Retailer 2

£416 GBP

$554 USD

View

Retailer 3

£432 GBP

$575 USD

View

Final sale: no returns

Retailer 4

£461 GBP

$614 USD

View

Retailer 5

£499 GBP

$664 USD

View

Price last confirmed 14 days ago

Retailer 6

£567 GBP

$755 USD

View

Retailer 7

£591 GBP

View

Retailer 8

£647 GBP

$862 USD

View

Retailer 9

£717 GBP

$955 USD

View

Retailer 10

£764 GBP

View

Retailer 11

£765 GBP

€970 EUR

View

Retailer 12

£792 GBP

ZAR 17,043 ZAR

View

B+

Retailer 13

£1,144 GBP

$1,523 USD

View

B+

Retailer 14

£1,213 GBP

$1,615 USD

View

B+

Retailer 15

£1,239 GBP

$1,650 USD

View

B+

Retailer 16

£1,502 GBP

$2,000 USD

View

B+

Retailer 17

£1,585 GBP

SGD 2,853 SGD

View

B+

Retailer 18

£1,616 GBP

$2,152 USD

View

B+

Retailer 19

£1,650 GBP

$2,197 USD

View

B+

Retailer 20

£1,935 GBP

View

Retailer 21

£2,539 GBP

$3,381 USD

View

Retailer 22

£2,617 GBP

$3,485 USD

View

Most Expensive

Brilliant Earth

21738688A · Oct 29

£3,214 GBP

$4,280 USD

View

22 more retailers have this diamond

Prices start from £372 GBPSave up to £2,842 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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