Round|Lab Grown|IGI

4.28ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG754563427

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754563427

Diamond specifications and retailer prices

From $3,645 CAD

$2,609 USD

As of October 29, 2026

Save $17,966 CAD (83%) vs most expensive(unlock to see where)

29 retailers carry this diamond

Most expensive: $21,610 CAD at Do Amore Diamonds · As of October 29, 2026

View at Do Amore Diamonds

About this 4.28ct lab-grown round diamond

This 4.28ct 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 LG754563427 or 754563427. Listed at 29 retailers as of October 29, 2026, with prices from $3,645 to $21,610, a $17,966 spread on the same certified stone. Do Amore Diamonds lists it at $21,610. 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

4.28

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.3°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG754563427

Dimensions10.47 × 10.51 × 6.36 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 LG754563427

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: $21,610 CAD|Low: $3,127 CAD|High: $33,554 CAD|Avg: $9,685 CAD

Do Amore Diamonds

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

Retailer 21

Retailer 22

October 30, 2026

Retailer 22$3,127 CAD

Retailer 9$3,860 CAD

Retailer 19$3,876 CAD

Retailer 4$4,065 CAD

Retailer 10$5,006 CAD

Retailer 21$5,322 CAD

Retailer 13$5,409 CAD

Retailer 3$5,585 CAD

Retailer 8$6,049 CAD

Retailer 15$6,187 CAD

Retailer 18$6,418 CAD

Retailer 16$8,562 CAD

Retailer 20$8,631 CAD

Retailer 7$9,729 CAD

Retailer 5$10,173 CAD

Retailer 11$10,523 CAD

Retailer 17$10,827 CAD

Retailer 14$14,037 CAD

Retailer 12$14,470 CAD

Retailer 6$15,761 CAD

Retailer 2$18,788 CAD

Do Amore Diamonds$21,610 CAD

36 data points across 22 retailers

29 retailers$3,645 CAD to $21,610 CAD

Retailer 1

$3,127 CAD

£1,763 GBP

Price last confirmed 13 days ago

Retailer 2

$3,418 CAD

$2,447 USD

View

Price last confirmed 24 days ago

Retailer 3

$3,418 CAD

$2,447 USD

View

Price last confirmed 17 days ago

Retailer 4

$3,516 CAD

$2,517 USD

View

Price last confirmed 31 days ago

Retailer 5

$3,645 CAD

$2,609 USD

View

Retailer 6

$3,645 CAD

$2,609 USD

View

Price last confirmed 28 days ago

Retailer 7

$3,860 CAD

$2,763 USD

View

Retailer 8

$3,876 CAD

$2,775 USD

View

Retailer 9

$4,022 CAD

$2,879 USD

View

Price last confirmed 30 days ago

Retailer 10

$4,065 CAD

$2,910 USD

View

Final sale: no returns

Retailer 11

$4,242 CAD

$3,037 USD

View

Price last confirmed 37 days ago

Retailer 12

$5,006 CAD

HK$28,000 HKD

View

Retailer 13

$5,322 CAD

$3,810 USD

View

Retailer 14

$5,409 CAD

£3,049 GBP

View

Retailer 15

$5,585 CAD

$3,998 USD

View

Retailer 16

$6,049 CAD

$4,330 USD

View

Retailer 17

$6,187 CAD

$4,429 USD

View

Price last confirmed 30 days ago

Retailer 18

$6,418 CAD

€4,376 EUR

View

Retailer 19

$8,562 CAD

ZAR 99,021 ZAR

View

Retailer 20

$8,631 CAD

A$9,506 AUD

View

Price last confirmed 8 days ago

B+

Retailer 21

$9,729 CAD

$6,965 USD

View

B+

Retailer 22

$10,173 CAD

$7,282 USD

View

B+

Retailer 23

$10,523 CAD

$7,533 USD

View

B+

Retailer 24

$10,827 CAD

£6,103 GBP

View

B+

Retailer 25

$14,037 CAD

$10,048 USD

View

B+

Retailer 26

$14,470 CAD

SGD 13,998 SGD

View

Retailer 27

$15,761 CAD

A$17,358 AUD

View

Price last confirmed 21 days ago

B+

Retailer 28

$18,788 CAD

$13,450 USD

View

Most Expensive

Do Amore Diamonds

27-17C00EE80 · Oct 29

$21,610 CAD

$15,470 USD

View

28 more retailers have this diamond

Prices start from $3,645 CADSave up to $17,966 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

4.28ct Round

$3,645 CAD