Cushion|Lab Grown|IGI

5.09ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG787623451

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG787623451

Diamond specifications and retailer prices

From $7,555 USD

As of October 29, 2026

Save $22,765 USD (75%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: $30,320 USD at Taylor and Hart · As of October 28, 2026

View at Taylor and Hart

About this 5.09ct lab-grown cushion diamond

This 5.09ct 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 LG787623451 or 787623451. Listed at 12 retailers as of October 28, 2026, with prices from $7,555 to $30,320, a $22,765 spread on the same certified stone. Taylor and Hart lists it at $30,320. 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

5.09

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37°

Pavilion angle38.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG787623451

Dimensions11.27 × 9.37 × 6.20 mm

L/W Ratio1.20

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 LG787623451

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: $10,035 USD|Low: $7,555 USD|High: $30,683 USD|Avg: $16,865 USD|-2.2%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Taylor and Hart

October 29, 2026

Retailer 11$7,555 USD

Retailer 3$7,670 USD

Retailer 10$9,813 USD

Retailer 1$10,035 USD

Retailer 8$10,355 USD

Retailer 4$11,506 USD

Retailer 5$15,433 USD

Retailer 6$17,455 USD

Retailer 9$22,050 USD

Retailer 7$23,285 USD

Retailer 2$25,755 USD

Taylor and Hart$30,320 USD

38 data points across 12 retailers

12 retailers$7,555 USD to $30,320 USD

Cheapest Retailer

$7,555 USD

Retailer 2

$7,670 USD

View

Retailer 3

$9,813 USD

View

Retailer 4

$10,035 USD

HK$78,400 HKD

View

Retailer 5

$10,355 USD

View

Price last confirmed 11 days ago

Retailer 6

$11,506 USD

£9,060 GBP

View

Retailer 7

$15,433 USD

€14,698 EUR

View

B+

Retailer 8

$17,455 USD

£13,744 GBP

View

B+

Retailer 9

$22,050 USD

View

B+

Retailer 10

$23,285 USD

View

B+

Retailer 11

$25,755 USD

View

Most Expensive

Taylor and Hart

EYG08TA · Oct 28

$30,320 USD

View

11 more retailers have this diamond

Prices start from $7,555 USDSave up to $22,765 USD

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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