Round|Lab Grown|IGI

4.26ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG738511281

Shape and cutting style on the report: Round brilliant

Certificate IGI LG738511281

Diamond specifications and retailer prices

From $3,565 CAD

$2,552 USD

As of October 29, 2026

Save $15,408 CAD (81%) vs most expensive(unlock to see where)

28 retailers carry this diamond

Most expensive: $18,973 CAD at With Clarity · As of October 30, 2026

View at With Clarity

About this 4.26ct lab-grown round diamond

This 4.26ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG738511281 or 738511281. Listed at 28 retailers as of October 29, 2026, with prices from $3,565 to $18,973, a $15,408 spread on the same certified stone. With Clarity lists it at $18,973. 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

4.26

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.5°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG738511281

Dimensions10.38 × 10.33 × 6.39 mm

L/W Ratio1.00

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 LG738511281

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 29

Current: $18,816 CAD|Low: $3,565 CAD|High: $34,629 CAD|Avg: $9,579 CAD|-45.7%

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

Retailer 15

Retailer 16

Retailer 17

Retailer 18

Retailer 19

Retailer 20

With Clarity

October 30, 2026

Retailer 15$3,565 CAD

Retailer 13$3,642 CAD

Retailer 7$3,904 CAD

Retailer 5$4,488 CAD

Retailer 12$5,065 CAD

Retailer 20$5,357 CAD

Retailer 2$5,546 CAD

Retailer 19$5,660 CAD

Retailer 17$5,877 CAD

Retailer 9$6,870 CAD

Retailer 14$7,862 CAD

Retailer 18$7,926 CAD

Retailer 6$9,636 CAD

Retailer 4$9,862 CAD

Retailer 16$10,075 CAD

Retailer 10$10,427 CAD

Retailer 8$12,902 CAD

Retailer 11$12,992 CAD

Retailer 3$15,501 CAD

Retailer 1$18,816 CAD

With Clarity$18,973 CAD

37 data points across 21 retailers

28 retailers$3,565 CAD to $18,973 CAD

Retailer 1

$3,184 CAD

$2,279 USD

Price last confirmed 35 days ago

Retailer 2

$3,464 CAD

$2,480 USD

View

Price last confirmed 24 days ago

Retailer 3

$3,464 CAD

$2,480 USD

View

Price last confirmed 17 days ago

Retailer 4

$3,565 CAD

$2,552 USD

View

Final sale: no returns

Retailer 5

$3,642 CAD

$2,607 USD

View

Price last confirmed 33 days ago

Retailer 6

$3,693 CAD

$2,644 USD

View

Retailer 7

$3,693 CAD

$2,644 USD

View

Price last confirmed 28 days ago

Retailer 8

$3,713 CAD

$2,658 USD

View

Price last confirmed 37 days ago

Retailer 9

$3,904 CAD

$2,795 USD

View

Retailer 10

$4,488 CAD

HK$25,100 HKD

View

Retailer 11

$5,065 CAD

£2,855 GBP

View

Retailer 12

$5,076 CAD

$3,634 USD

View

Price last confirmed 32 days ago

Retailer 13

$5,357 CAD

$3,835 USD

View

Retailer 14

$5,546 CAD

$3,970 USD

View

Retailer 15

$5,660 CAD

$4,052 USD

View

Retailer 16

$5,877 CAD

€4,007 EUR

View

Retailer 17

$6,870 CAD

$4,918 USD

View

Retailer 18

$7,862 CAD

ZAR 90,921 ZAR

View

Retailer 19

$7,926 CAD

A$8,729 AUD

View

Price last confirmed 8 days ago

Retailer 20

$9,636 CAD

$6,898 USD

View

Price last confirmed 21 days ago

B+

Retailer 21

$9,862 CAD

$7,060 USD

View

B+

Retailer 22

$10,075 CAD

£5,679 GBP

View

B+

Retailer 23

$10,427 CAD

$7,465 USD

View

B+

Retailer 24

$12,902 CAD

$9,236 USD

View

B+

Retailer 25

$12,992 CAD

SGD 12,568 SGD

View

Retailer 26

$15,501 CAD

A$17,072 AUD

View

Price last confirmed 25 days ago

Retailer 27

$18,816 CAD

$13,470 USD

View

Most Expensive

With Clarity

738511281 · Oct 30

$18,973 CAD

$13,582 USD

View

27 more retailers have this diamond

Prices start from $3,565 CADSave up to $15,408 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.

Similar diamonds

4.26ct Round

$3,565 CAD