Cushion|Lab Grown|IGI

4.10ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG768629789

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG768629789

Diamond specifications and retailer prices

From €3,790 EUR

$4,234 USD

As of November 1, 2026

Save €13,223 EUR (78%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: €17,013 EUR at Blue Nile · As of October 31, 2026

View at Blue Nile

About this 4.1ct lab-grown cushion diamond

This 4.1ct lab-grown cushion 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 LG768629789 or 768629789. Listed at 14 retailers as of October 31, 2026, with prices from €3,790 to €17,013, a €13,223 spread on the same certified stone. Blue Nile lists it at €17,013. 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

4.10

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.8°

Pavilion angle35.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG768629789

Dimensions10.51 × 8.75 × 5.76 mm

L/W Ratio1.20

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 LG768629789

Side View

Caratlytics Score

How it works →

A+

Exceptional

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: €17,013 EUR|Low: €3,790 EUR|High: €19,352 EUR|Avg: €9,616 EUR|+65.4%

Blue Nile

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

November 1, 2026

Retailer 11€3,790 EUR

Retailer 10€3,893 EUR

Retailer 4€5,534 EUR

Retailer 8€5,675 EUR

Retailer 7€6,715 EUR

Retailer 9€7,140 EUR

Retailer 6€7,179 EUR

Retailer 2€9,078 EUR

Retailer 3€9,331 EUR

Retailer 12€10,063 EUR

Retailer 13€11,368 EUR

Retailer 5€12,595 EUR

Retailer 14€15,606 EUR

Blue Nile€17,013 EUR

33 data points across 14 retailers

14 retailers€3,790 EUR to €17,013 EUR

A+

Cheapest Retailer

€3,790 EUR

$4,234 USD

Retailer 2

€3,893 EUR

$4,349 USD

View

Retailer 3

€5,534 EUR

HK$48,300 HKD

View

Retailer 4

€5,675 EUR

£4,992 GBP

View

Retailer 5

€6,715 EUR

$7,502 USD

View

Retailer 6

€7,140 EUR

View

Retailer 7

€7,179 EUR

$8,020 USD

View

Price last confirmed 14 days ago

B+

Retailer 8

€9,078 EUR

£7,986 GBP

View

B+

Retailer 9

€9,331 EUR

ZAR 168,419 ZAR

View

B+

Retailer 10

€10,063 EUR

$11,243 USD

View

B+

Retailer 11

€11,368 EUR

$12,700 USD

View

B+

Retailer 12

€12,595 EUR

$14,071 USD

View

B+

Retailer 13

€15,606 EUR

$17,435 USD

View

Most Expensive

Blue Nile

29977205 · Oct 31

€17,013 EUR

$19,007 USD

View

13 more retailers have this diamond

Prices start from €3,790 EURSave up to €13,223 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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A+

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