Cushion|Lab Grown|IGI

5.57ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG799640078

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799640078

Diamond specifications and retailer prices

From €8,954 EUR

$10,003 USD

As of November 1, 2026

Save €22,892 EUR (72%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: €31,845 EUR at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 5.57ct lab-grown cushion diamond

This 5.57ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799640078 or 799640078. Listed at 13 retailers as of October 31, 2026, with prices from €8,954 to €31,845, a €22,892 spread on the same certified stone. Taylor and Hart lists it at €31,845. 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

5.57

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.6°

Pavilion angle27.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG799640078

Dimensions12.46 × 9.12 × 5.50 mm

L/W Ratio1.37

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 LG799640078

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: €12,179 EUR|Low: €7,452 EUR|High: €31,845 EUR|Avg: €15,901 EUR|-6.8%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Taylor and Hart

November 1, 2026

Retailer 5€7,452 EUR

Retailer 12€8,954 EUR

Retailer 13€9,890 EUR

Retailer 2€10,123 EUR

Retailer 8€10,243 EUR

Retailer 9€10,936 EUR

Retailer 1€12,179 EUR

Retailer 4€14,678 EUR

Retailer 7€16,544 EUR

Retailer 11€18,934 EUR

Retailer 6€20,813 EUR

Retailer 10€26,232 EUR

Retailer 3€28,539 EUR

Taylor and Hart€31,845 EUR

42 data points across 14 retailers

13 retailers€8,954 EUR to €31,845 EUR

Cheapest Retailer

€8,954 EUR

$10,003 USD

Retailer 2

€9,890 EUR

$11,049 USD

View

Final sale: no returns

Retailer 3

€10,123 EUR

$11,310 USD

View

Retailer 4

€10,243 EUR

$11,444 USD

View

Price last confirmed 15 days ago

Retailer 5

€10,936 EUR

$12,218 USD

View

Retailer 6

€12,179 EUR

£10,714 GBP

View

Retailer 7

€14,678 EUR

£12,912 GBP

View

B+

Retailer 8

€16,544 EUR

£14,554 GBP

View

B+

Retailer 9

€18,934 EUR

$21,153 USD

View

B+

Retailer 10

€20,813 EUR

ZAR 375,648 ZAR

View

Retailer 11

€26,232 EUR

$29,306 USD

View

Retailer 12

€28,539 EUR

$31,883 USD

View

Most Expensive

Taylor and Hart

OFZ7J5I · Oct 31

€31,845 EUR

$35,578 USD

View

12 more retailers have this diamond

Prices start from €8,954 EURSave up to €22,892 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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5.57ct Cushion

€8,954 EUR