Round|Lab Grown|IGI

2.77ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG825675109

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825675109

Diamond specifications and retailer prices

From £669 GBP

$897 USD

As of November 3, 2026

Save £1,930 GBP (74%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: £4,276 GBP at Rare Carat · As of October 21, 2026

View at Rare Carat

About this 2.77ct lab-grown round diamond

This 2.77ct lab-grown round sits in the two to three carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825675109 or 825675109. Listed at 24 retailers as of November 1, 2026, with a 289% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.77

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.8°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG825675109

Dimensions8.94 × 8.98 × 5.55 mm

L/W Ratio1.00

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 LG825675109

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: Nov 3

Current: £4,276 GBP|Low: £669 GBP|High: £4,276 GBP|Avg: £1,834 GBP

Rare Carat

Retailer 2

Retailer 3

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Retailer 6

Retailer 7

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Retailer 10

Retailer 11

Retailer 12

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Retailer 16

November 3, 2026

Retailer 5£669 GBP

Retailer 12£693 GBP

Retailer 13£824 GBP

Retailer 10£887 GBP

Retailer 8£983 GBP

Retailer 4£992 GBP

Retailer 9£1,051 GBP

Retailer 16£1,415 GBP

Retailer 15£1,652 GBP

Retailer 2£1,790 GBP

Retailer 14£1,949 GBP

Retailer 3£2,169 GBP

Retailer 6£2,321 GBP

Retailer 7£2,398 GBP

Retailer 11£2,599 GBP

Rare Carat£4,276 GBP

29 data points across 16 retailers

24 retailers£669 GBP to £2,599 GBP

Cheapest Retailer

£669 GBP

$897 USD

Final sale: no returns

Retailer 2

£693 GBP

$930 USD

View

Retailer 3

£824 GBP

$1,105 USD

View

Retailer 4

£828 GBP

$1,111 USD

View

Price last confirmed 26 days ago

Retailer 5

£847 GBP

$1,136 USD

View

Price last confirmed 16 days ago

Retailer 6

£863 GBP

$1,157 USD

View

Price last confirmed 39 days ago

Retailer 7

£887 GBP

View

Retailer 8

£983 GBP

$1,318 USD

View

Price last confirmed 17 days ago

Retailer 9

£983 GBP

$1,318 USD

View

Price last confirmed 15 days ago

Retailer 10

£987 GBP

$1,323 USD

View

Price last confirmed 39 days ago

Retailer 11

£992 GBP

$1,330 USD

View

Retailer 12

£1,001 GBP

$1,342 USD

View

Price last confirmed 32 days ago

Retailer 13

£1,051 GBP

View

Retailer 14

£1,279 GBP

HK$13,400 HKD

View

Price last confirmed 45 days ago

B+

Retailer 15

£1,415 GBP

$1,898 USD

View

B+

Retailer 16

£1,652 GBP

$2,215 USD

View

B+

Retailer 17

£1,790 GBP

ZAR 38,783 ZAR

View

Retailer 18

£1,875 GBP

$2,515 USD

View

Price last confirmed 27 days ago

B+

Retailer 19

£1,949 GBP

$2,614 USD

View

B+

Retailer 20

£2,169 GBP

$2,909 USD

View

B+

Retailer 21

£2,321 GBP

$3,113 USD

View

B+

Retailer 22

£2,398 GBP

$3,216 USD

View

B+

Retailer 23

£2,599 GBP

View

Most Expensive

Rare Carat

NJ32 14 · Oct 21

£4,276 GBP

$5,735 USD

View

Price last confirmed 13 days ago

23 more retailers have this diamond

Prices start from £669 GBPSave up to £1,930 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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£669 GBP