Round|Lab Grown|IGI

3.26ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG787656932

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787656932

Diamond specifications and retailer prices

From £1,679 GBP

$2,250 USD

As of October 29, 2026

Save £11,076 GBP (87%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: £12,755 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 3.26ct lab-grown round diamond

This 3.26ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787656932 or 787656932. Listed at 21 retailers as of October 29, 2026, with prices from £1,679 to £12,755, a £11,076 spread on the same certified stone. Brilliant Earth lists it at £12,755. 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

3.26

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.6°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG787656932

Dimensions9.46 × 9.44 × 5.88 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizePointed

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 LG787656932

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: £12,755 GBP|Low: £1,440 GBP|High: £12,755 GBP|Avg: £3,956 GBP|+0.1%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

October 30, 2026

Retailer 15£1,499 GBP

Retailer 4£1,679 GBP

Retailer 6£1,740 GBP

Retailer 7£1,740 GBP

Retailer 2£2,076 GBP

Retailer 12£2,246 GBP

Retailer 8£2,384 GBP

Retailer 5£2,487 GBP

Retailer 14£2,790 GBP

Retailer 9£4,039 GBP

Retailer 13£4,488 GBP

Retailer 10£4,995 GBP

Retailer 3£5,200 GBP

Retailer 11£8,481 GBP

Brilliant Earth£12,755 GBP

35 data points across 15 retailers

21 retailers£1,679 GBP to £12,755 GBP

Retailer 1

£1,499 GBP

$2,009 USD

Price last confirmed 20 days ago

Retailer 2

£1,631 GBP

$2,186 USD

View

Price last confirmed 17 days ago

Retailer 3

£1,679 GBP

$2,250 USD

View

Final sale: no returns

Retailer 4

£1,740 GBP

$2,331 USD

View

Price last confirmed 19 days ago

Retailer 5

£1,740 GBP

$2,331 USD

View

Price last confirmed 28 days ago

Retailer 6

£1,843 GBP

$2,470 USD

View

Retailer 7

£2,076 GBP

View

Retailer 8

£2,245 GBP

$3,008 USD

View

B+

Retailer 9

£2,246 GBP

$3,010 USD

View

Retailer 10

£2,384 GBP

View

Retailer 11

£2,391 GBP

$3,204 USD

View

Price last confirmed 23 days ago

Retailer 12

£2,487 GBP

$3,332 USD

View

B+

Retailer 13

£2,790 GBP

$3,738 USD

View

B+

Retailer 14

£4,039 GBP

ZAR 87,438 ZAR

View

B+

Retailer 15

£4,488 GBP

$6,014 USD

View

B+

Retailer 16

£4,995 GBP

View

Retailer 17

£5,200 GBP

$6,967 USD

View

Retailer 18

£5,812 GBP

SGD 10,524 SGD

View

Retailer 19

£6,087 GBP

$8,156 USD

View

Retailer 20

£8,481 GBP

€10,823 EUR

View

Most Expensive

Brilliant Earth

18816256A · Oct 29

£12,755 GBP

$17,090 USD

View

20 more retailers have this diamond

Prices start from £1,679 GBPSave up to £11,076 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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£1,679 GBP