Round|Lab Grown|IGI

2.56ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG809661864

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809661864

Diamond specifications and retailer prices

From €538 EUR

$603 USD

As of November 1, 2026

Save €4,143 EUR (89%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: €4,681 EUR at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 2.56ct lab-grown round diamond

This 2.56ct lab-grown round sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG809661864 or 809661864. Listed at 26 retailers as of November 1, 2026, with prices from €538 to €4,681, a €4,143 spread on the same certified stone. Brilliant Earth lists it at €4,681. 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

2.56

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.5°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG809661864

Dimensions8.80 × 8.75 × 5.39 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 LG809661864

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 1

Current: €4,681 EUR|Low: €538 EUR|High: €5,733 EUR|Avg: €1,575 EUR|-18.4%

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

Retailer 16

November 3, 2026

Retailer 6€538 EUR

Retailer 8€596 EUR

Retailer 16€840 EUR

Retailer 14€843 EUR

Retailer 5€894 EUR

Retailer 13€909 EUR

Retailer 2€926 EUR

Retailer 12€1,324 EUR

Retailer 11€1,324 EUR

Retailer 7€1,399 EUR

Retailer 9€1,438 EUR

Retailer 3€1,645 EUR

Retailer 4€2,071 EUR

Retailer 10€2,489 EUR

Retailer 15€4,453 EUR

Brilliant Earth€4,681 EUR

41 data points across 16 retailers

26 retailers€538 EUR to €4,681 EUR

Retailer 1

€481 EUR

$539 USD

Price last confirmed 41 days ago

Retailer 2

€481 EUR

$539 USD

View

Price last confirmed 23 days ago

Retailer 3

€538 EUR

$603 USD

View

Final sale: no returns

Retailer 4

€539 EUR

$604 USD

View

Price last confirmed 40 days ago

Retailer 5

€588 EUR

$660 USD

View

Price last confirmed 38 days ago

Retailer 6

€596 EUR

$669 USD

View

Price last confirmed 23 days ago

Retailer 7

€596 EUR

$669 USD

View

Price last confirmed 31 days ago

Retailer 8

€840 EUR

$942 USD

View

Retailer 9

€843 EUR

$945 USD

View

Retailer 10

€894 EUR

$1,003 USD

View

Retailer 11

€909 EUR

View

Retailer 12

€926 EUR

£817 GBP

View

Retailer 13

€1,324 EUR

A$2,284 AUD

View

Retailer 14

€1,324 EUR

$1,485 USD

View

B+

Retailer 15

€1,399 EUR

$1,569 USD

View

Price last confirmed 7 days ago

Retailer 16

€1,438 EUR

ZAR 26,057 ZAR

View

Retailer 17

€1,568 EUR

$1,759 USD

View

Price last confirmed 43 days ago

Retailer 18

€1,568 EUR

$1,759 USD

View

Price last confirmed 26 days ago

B+

Retailer 19

€1,645 EUR

$1,845 USD

View

B+

Retailer 20

€1,920 EUR

$2,153 USD

View

B+

Retailer 21

€1,936 EUR

$2,171 USD

View

B+

Retailer 22

€2,029 EUR

$2,276 USD

View

B+

Retailer 23

€2,071 EUR

$2,323 USD

View

B+

Retailer 24

€2,489 EUR

£2,198 GBP

View

Retailer 25

€4,453 EUR

$4,995 USD

View

Most Expensive

Brilliant Earth

20436236A · Nov 2

€4,681 EUR

$5,250 USD

View

25 more retailers have this diamond

Prices start from €538 EURSave up to €4,143 EUR

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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