Round|Lab Grown|IGI

1.91ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG792609315

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792609315

Diamond specifications and retailer prices

From £496 GBP

$665 USD

As of October 29, 2026

Save £3,377 GBP (87%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: £3,873 GBP at Do Amore Diamonds · As of October 29, 2026

View at Do Amore Diamonds

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 LG792609315 or 792609315. Listed at 25 retailers as of October 29, 2026, with prices from £496 to £3,873, a £3,377 spread on the same certified stone. Do Amore Diamonds lists it at £3,873. 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 angle34°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG792609315

Dimensions8.01 × 8.08 × 4.87 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 LG792609315

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: £3,873 GBP|Low: £477 GBP|High: £4,739 GBP|Avg: £1,559 GBP

Do Amore Diamonds

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October 30, 2026

Retailer 6£496 GBP

Retailer 22£564 GBP

Retailer 8£576 GBP

Retailer 14£644 GBP

Retailer 24£814 GBP

Retailer 7£911 GBP

Retailer 21£911 GBP

Retailer 10£913 GBP

Retailer 19£966 GBP

Retailer 4£998 GBP

Retailer 2£1,017 GBP

Retailer 18£1,075 GBP

Retailer 20£1,169 GBP

Retailer 12£1,457 GBP

Retailer 17£1,537 GBP

Retailer 16£1,787 GBP

Retailer 5£1,839 GBP

Retailer 9£1,936 GBP

Retailer 11£1,983 GBP

Retailer 13£2,275 GBP

Retailer 23£2,499 GBP

Retailer 15£2,686 GBP

Retailer 3£3,179 GBP

Do Amore Diamonds£3,873 GBP

32 data points across 24 retailers

25 retailers£496 GBP to £3,873 GBP

Cheapest Retailer

£496 GBP

$665 USD

Retailer 2

£564 GBP

$756 USD

View

Final sale: no returns

Retailer 3

£576 GBP

$772 USD

View

Price last confirmed 14 days ago

Retailer 4

£576 GBP

$772 USD

View

Retailer 5

£644 GBP

$863 USD

View

Retailer 6

£814 GBP

A$1,678 AUD

View

Retailer 7

£911 GBP

$1,220 USD

View

Retailer 8

£911 GBP

$1,220 USD

View

Retailer 9

£913 GBP

$1,223 USD

View

Retailer 10

£966 GBP

€1,233 EUR

View

B+

Retailer 11

£967 GBP

$1,296 USD

View

B+

Retailer 12

£998 GBP

$1,337 USD

View

B+

Retailer 13

£1,017 GBP

View

B+

Retailer 14

£1,169 GBP

ZAR 25,294 ZAR

View

B+

Retailer 15

£1,457 GBP

$1,953 USD

View

B+

Retailer 16

£1,537 GBP

$2,059 USD

View

Retailer 17

£1,787 GBP

$2,395 USD

View

Retailer 18

£1,839 GBP

$2,464 USD

View

Retailer 19

£1,936 GBP

CA$3,604 CAD

View

Retailer 20

£1,983 GBP

$2,657 USD

View

Retailer 21

£2,275 GBP

$3,048 USD

View

Retailer 22

£2,499 GBP

View

Retailer 23

£2,686 GBP

$3,599 USD

View

Retailer 24

£3,179 GBP

$4,260 USD

View

Most Expensive

Do Amore Diamonds

20-E79515 · Oct 29

£3,873 GBP

$5,190 USD

View

24 more retailers have this diamond

Prices start from £496 GBPSave up to £3,377 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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1.91ct Round

£496 GBP