Round|Lab Grown|IGI

4.27ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG739546597

Shape and cutting style on the report: Round brilliant

Certificate IGI LG739546597

Diamond specifications and retailer prices

From $3,460 CAD

$2,477 USD

As of October 29, 2026

Save $16,502 CAD (83%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $19,962 CAD at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 4.27ct lab-grown round diamond

This 4.27ct 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 LG739546597 or 739546597. Listed at 26 retailers as of October 29, 2026, with prices from $3,460 to $19,962, a $16,502 spread on the same certified stone. Brilliant Earth lists it at $19,962. 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

4.27

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.8°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG739546597

Dimensions10.44 × 10.36 × 6.41 mm

L/W Ratio1.01

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 LG739546597

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: $19,962 CAD|Low: $3,120 CAD|High: $34,727 CAD|Avg: $8,810 CAD|-42.5%

Brilliant Earth

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

Retailer 23

October 30, 2026

Retailer 3$3,120 CAD

Retailer 22$3,460 CAD

Retailer 21$3,765 CAD

Retailer 17$3,874 CAD

Retailer 4$4,013 CAD

Retailer 14$4,195 CAD

Retailer 15$4,881 CAD

Retailer 2$5,396 CAD

Retailer 23$5,516 CAD

Retailer 6$5,734 CAD

Retailer 5$6,016 CAD

Retailer 8$6,035 CAD

Retailer 19$6,402 CAD

Retailer 9$6,987 CAD

Retailer 13$8,542 CAD

Retailer 20$8,611 CAD

Retailer 16$10,498 CAD

Retailer 11$10,716 CAD

Retailer 18$10,802 CAD

Retailer 10$11,266 CAD

Retailer 7$15,721 CAD

Retailer 12$19,055 CAD

Brilliant Earth$19,962 CAD

29 data points across 23 retailers

26 retailers$3,460 CAD to $19,962 CAD

Retailer 1

$3,120 CAD

£1,759 GBP

Price last confirmed 13 days ago

Retailer 2

$3,460 CAD

$2,477 USD

View

Retailer 3

$3,765 CAD

$2,695 USD

View

Retailer 4

$3,874 CAD

$2,773 USD

View

Final sale: no returns

Retailer 5

$4,013 CAD

$2,873 USD

View

Retailer 6

$4,195 CAD

$3,003 USD

View

Retailer 7

$4,881 CAD

HK$27,300 HKD

View

Retailer 8

$5,396 CAD

£3,042 GBP

View

Retailer 9

$5,516 CAD

$3,949 USD

View

Retailer 10

$5,734 CAD

$4,105 USD

View

Retailer 11

$6,016 CAD

$4,307 USD

View

Retailer 12

$6,035 CAD

$4,320 USD

View

Retailer 13

$6,402 CAD

€4,365 EUR

View

Retailer 14

$6,987 CAD

$5,002 USD

View

Retailer 15

$8,542 CAD

ZAR 98,792 ZAR

View

Retailer 16

$8,611 CAD

A$9,484 AUD

View

Price last confirmed 8 days ago

B+

Retailer 17

$10,498 CAD

$7,515 USD

View

B+

Retailer 18

$10,716 CAD

$7,671 USD

View

B+

Retailer 19

$10,802 CAD

£6,089 GBP

View

B+

Retailer 20

$11,266 CAD

$8,065 USD

View

B+

Retailer 21

$14,005 CAD

$10,026 USD

View

B+

Retailer 22

$14,154 CAD

SGD 13,692 SGD

View

Retailer 23

$15,503 CAD

$11,098 USD

View

Retailer 24

$15,721 CAD

A$17,314 AUD

View

Price last confirmed 22 days ago

Retailer 25

$19,055 CAD

$13,641 USD

View

Most Expensive

Brilliant Earth

16177765A · Oct 30

$19,962 CAD

$14,290 USD

View

25 more retailers have this diamond

Prices start from $3,460 CADSave up to $16,502 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

4.27ct Round

$3,460 CAD