Cushion|Lab Grown|IGI

4.29ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG808634528

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG808634528

Diamond specifications and retailer prices

From $8,116 CAD

$5,810 USD

As of October 26, 2026

Save $41,105 CAD (84%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: $49,221 CAD at With Clarity · As of October 30, 2026

View at With Clarity

About this 4.29ct lab-grown cushion diamond

This 4.29ct 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 LG808634528 or 808634528. Listed at 21 retailers as of October 26, 2026, with prices from $8,116 to $49,221, a $41,105 spread on the same certified stone. With Clarity lists it at $49,221. 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

4.29

Carat

Color

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.7°

Pavilion angle38.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG808634528

Dimensions11.52 × 8.52 × 5.64 mm

L/W Ratio1.35

Girdle conditionFaceted

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG808634528

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 26

Current: $12,133 CAD|Low: $7,837 CAD|High: $32,450 CAD|Avg: $16,231 CAD|-0.0%

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

October 30, 2026

Retailer 11$8,116 CAD

Retailer 8$9,349 CAD

Retailer 6$9,662 CAD

Retailer 14$9,686 CAD

Retailer 2$9,789 CAD

Retailer 1$12,133 CAD

Retailer 4$13,795 CAD

Retailer 9$15,311 CAD

Retailer 13$16,400 CAD

Retailer 10$19,815 CAD

Retailer 7$20,615 CAD

Retailer 12$21,673 CAD

Retailer 5$24,997 CAD

Retailer 3$32,450 CAD

43 data points across 14 retailers

21 retailers$8,116 CAD to $49,221 CAD

Cheapest Retailer

$8,116 CAD

$5,810 USD

Retailer 2

$9,020 CAD

View

Retailer 3

$9,349 CAD

$6,693 USD

View

Final sale: no returns

Retailer 4

$9,662 CAD

$6,917 USD

View

Retailer 5

$9,674 CAD

$6,925 USD

View

Retailer 6

$9,686 CAD

$6,934 USD

View

Price last confirmed 14 days ago

Retailer 7

$9,789 CAD

$7,008 USD

View

Retailer 8

$12,133 CAD

£6,839 GBP

View

B+

Retailer 9

$13,795 CAD

£7,776 GBP

View

B+

Retailer 10

$15,311 CAD

€10,439 EUR

View

B+

Retailer 11

$16,400 CAD

$11,740 USD

View

B+

Retailer 12

$19,815 CAD

£11,169 GBP

View

B+

Retailer 13

$20,615 CAD

ZAR 238,413 ZAR

View

Retailer 14

$21,673 CAD

$15,515 USD

View

Retailer 15

$24,997 CAD

$17,894 USD

View

Retailer 16

$26,128 CAD

$18,704 USD

View

Retailer 17

$26,947 CAD

$19,291 USD

View

Retailer 18

$28,502 CAD

$20,404 USD

View

Retailer 19

$32,450 CAD

$23,230 USD

View

Price last confirmed 37 days ago

Retailer 20

$33,820 CAD

$24,211 USD

View

Most Expensive

With Clarity

808634528 · Oct 30

$49,221 CAD

$35,236 USD

View

20 more retailers have this diamond

Prices start from $8,116 CADSave up to $41,105 CAD

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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4.29ct Cushion

$8,116 CAD