Round|Lab Grown|IGI

1.81ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG816630773

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816630773

Diamond specifications and retailer prices

From £445 GBP

$592 USD

As of October 29, 2026

Save £3,505 GBP (89%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: £3,950 GBP at Do Amore Diamonds · As of October 29, 2026

View at Do Amore Diamonds

About this 1.81ct lab-grown round diamond

This 1.81ct 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 LG816630773 or 816630773. Listed at 20 retailers as of October 29, 2026, with prices from £445 to £3,950, a £3,505 spread on the same certified stone. Do Amore Diamonds lists it at £3,950. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.5°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG816630773

Dimensions7.85 × 7.82 × 4.84 mm

L/W Ratio1.00

Girdle conditionFaceted

Cert comments

HEARTS & ARROWS 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 LG816630773

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: £905 GBP|Low: £497 GBP|High: £2,467 GBP|Avg: £1,153 GBP|+4.4%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

October 30, 2026

Retailer 2£497 GBP

Retailer 10£498 GBP

Retailer 4£650 GBP

Retailer 3£885 GBP

Retailer 1£905 GBP

Retailer 6£1,037 GBP

Retailer 8£1,368 GBP

Retailer 9£1,435 GBP

Retailer 5£2,401 GBP

Retailer 7£2,441 GBP

42 data points across 10 retailers

20 retailers£445 GBP to £3,950 GBP

Cheapest Retailer

£445 GBP

$592 USD

Retailer 2

£497 GBP

$662 USD

View

Final sale: no returns

Retailer 3

£498 GBP

$663 USD

View

Retailer 4

£551 GBP

$734 USD

View

Retailer 5

£551 GBP

$734 USD

View

Price last confirmed 13 days ago

Retailer 6

£650 GBP

$865 USD

View

Retailer 7

£728 GBP

$970 USD

View

Retailer 8

£825 GBP

$1,099 USD

View

Retailer 9

£885 GBP

€1,123 EUR

View

Retailer 10

£905 GBP

View

B+

Retailer 11

£1,037 GBP

ZAR 22,305 ZAR

View

B+

Retailer 12

£1,150 GBP

$1,532 USD

View

B+

Retailer 13

£1,368 GBP

$1,822 USD

View

B+

Retailer 14

£1,435 GBP

$1,911 USD

View

B+

Retailer 15

£1,601 GBP

$2,132 USD

View

Retailer 16

£1,823 GBP

$2,427 USD

View

Retailer 17

£2,051 GBP

$2,731 USD

View

Retailer 18

£2,401 GBP

View

Retailer 19

£2,441 GBP

$3,250 USD

View

Most Expensive

Do Amore Diamonds

27-E635EF368 · Oct 29

£3,950 GBP

$5,260 USD

View

19 more retailers have this diamond

Prices start from £445 GBPSave up to £3,505 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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1.81ct Round

£445 GBP