Cushion|Lab Grown|IGI

4.20ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG803623561

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG803623561

Diamond specifications and retailer prices

From €4,266 EUR

$4,766 USD

As of October 31, 2026

Save €26,283 EUR (86%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: €30,549 EUR at Do Amore Diamonds · As of October 30, 2026

View at Do Amore Diamonds

About this 4.2ct lab-grown cushion diamond

This 4.2ct 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 LG803623561 or 803623561. Listed at 16 retailers as of October 30, 2026, with prices from €4,266 to €30,549, a €26,283 spread on the same certified stone. Do Amore Diamonds lists it at €30,549. 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

4.20

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36°

Pavilion angle39.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG803623561

Dimensions9.40 × 9.21 × 6.25 mm

L/W Ratio1.02

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG803623561

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: Oct 31

Current: €30,549 EUR|Low: €4,266 EUR|High: €33,038 EUR|Avg: €11,782 EUR|-7.5%

Do Amore Diamonds

Retailer 2

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Retailer 18

October 31, 2026

Retailer 16€4,266 EUR

Retailer 4€4,972 EUR

Retailer 7€5,150 EUR

Retailer 15€5,174 EUR

Retailer 9€5,667 EUR

Retailer 11€7,295 EUR

Retailer 17€7,430 EUR

Retailer 6€8,076 EUR

Retailer 2€8,894 EUR

Retailer 14€11,630 EUR

Retailer 13€12,099 EUR

Retailer 10€12,867 EUR

Retailer 18€14,176 EUR

Retailer 12€15,636 EUR

Retailer 8€17,880 EUR

Retailer 3€20,137 EUR

Retailer 5€26,710 EUR

Do Amore Diamonds€30,549 EUR

36 data points across 18 retailers

16 retailers€4,266 EUR to €30,549 EUR

Cheapest Retailer

€4,266 EUR

$4,766 USD

Retailer 2

€4,972 EUR

$5,555 USD

View

Final sale: no returns

Retailer 3

€5,150 EUR

$5,754 USD

View

Price last confirmed 15 days ago

Retailer 4

€5,174 EUR

$5,780 USD

View

Retailer 5

€7,295 EUR

£6,417 GBP

View

Retailer 6

€7,430 EUR

$8,301 USD

View

B+

Retailer 7

€8,076 EUR

£7,104 GBP

View

B+

Retailer 8

€8,894 EUR

View

B+

Retailer 9

€11,630 EUR

£10,231 GBP

View

B+

Retailer 10

€12,099 EUR

ZAR 218,377 ZAR

View

B+

Retailer 11

€14,176 EUR

$15,837 USD

View

B+

Retailer 12

€15,636 EUR

$17,468 USD

View

Retailer 13

€17,880 EUR

$19,976 USD

View

Retailer 14

€20,137 EUR

$22,497 USD

View

Retailer 15

€26,710 EUR

$29,841 USD

View

Most Expensive

Do Amore Diamonds

27-81A9E32CB · Oct 30

€30,549 EUR

$34,130 USD

View

15 more retailers have this diamond

Prices start from €4,266 EURSave up to €26,283 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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