Cushion|Lab Grown|IGI

4.10ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG778683653

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG778683653

Diamond specifications and retailer prices

From $10,466 USD

As of October 31, 2026

Save $30,124 USD (74%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: $40,590 USD at Wholesale Diamonds Direct · As of October 27, 2026

View at Wholesale Diamonds Direct

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 LG778683653 or 778683653. Listed at 19 retailers as of October 27, 2026, with prices from $10,466 to $40,590, a $30,124 spread on the same certified stone. Wholesale Diamonds Direct lists it at $40,590. 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

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.3°

Pavilion angle37.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG778683653

Dimensions11.99 × 8.38 × 5.37 mm

L/W Ratio1.43

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG778683653

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31

Current: $18,053 USD|Low: $10,325 USD|High: $85,881 USD|Avg: $27,207 USD|-1.1%

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

Retailer 14

Wholesale Diamonds Direct

October 31, 2026

Retailer 11$10,325 USD

Retailer 4$12,126 USD

Retailer 7$12,880 USD

Retailer 5$13,485 USD

Retailer 14$13,968 USD

Retailer 10$14,242 USD

Retailer 1$18,053 USD

Retailer 12$22,040 USD

Retailer 6$22,083 USD

Retailer 9$23,241 USD

Retailer 13$25,547 USD

Retailer 8$32,818 USD

Wholesale Diamonds Direct$40,590 USD

Retailer 2$51,169 USD

Retailer 3$85,881 USD

44 data points across 15 retailers

19 retailers$10,466 USD to $40,590 USD

Retailer 1

$10,325 USD

Price last confirmed 12 days ago

B+

Retailer 2

$10,466 USD

View

B+

Retailer 3

$12,126 USD

View

B+

Retailer 4

$12,880 USD

£10,142 GBP

View

B+

Retailer 5

$13,485 USD

View

Final sale: no returns

Retailer 6

$13,968 USD

View

Price last confirmed 15 days ago

B+

Retailer 7

$14,242 USD

View

B+

Retailer 8

$18,053 USD

£14,215 GBP

View

Retailer 9

$22,040 USD

View

Retailer 10

$22,083 USD

£17,388 GBP

View

Retailer 11

$23,241 USD

£18,300 GBP

View

Retailer 12

$25,547 USD

View

Retailer 13

$32,818 USD

ZAR 530,180 ZAR

View

Retailer 14

$38,438 USD

View

Most Expensive

Wholesale Diamonds Direct

264578302 · Oct 27

$40,590 USD

View

14 more retailers have this diamond

Prices start from $10,466 USDSave up to $30,124 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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B+

4.10ct Cushion

$10,466 USD