Radiant|Lab Grown|IGI

4.89ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG731557728

Shape and cutting style on the report: Cut cornered square modified brilliant

Certificate IGI LG731557728

Diamond specifications and retailer prices

From $11,571 CAD

£6,510 GBP

As of October 30, 2026

Save $37,151 CAD (76%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $48,722 CAD at Michael Trio · As of October 30, 2026

View at Michael Trio

About this 4.89ct lab-grown radiant diamond

This 4.89ct lab-grown radiant 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 LG731557728 or 731557728. Listed at 14 retailers as of October 30, 2026, with prices from $11,571 to $48,722, a $37,151 spread on the same certified stone. Michael Trio lists it at $48,722. 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

4.89

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.8°

Pavilion angle34.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG731557728

Dimensions9.34 × 9.14 × 6.15 mm

L/W Ratio1.02

Culet sizePointed

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG731557728

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 30

Current: $48,722 CAD|Low: $11,532 CAD|High: $48,722 CAD|Avg: $24,940 CAD

Michael Trio

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 2$11,571 CAD

Retailer 4$12,343 CAD

Retailer 3$13,372 CAD

Retailer 9$13,758 CAD

Retailer 10$13,758 CAD

Retailer 14$13,850 CAD

Retailer 5$19,858 CAD

Retailer 8$25,352 CAD

Retailer 11$25,431 CAD

Retailer 7$29,481 CAD

Retailer 13$35,470 CAD

Retailer 12$38,574 CAD

Retailer 6$44,024 CAD

Michael Trio$48,722 CAD

38 data points across 14 retailers

14 retailers$11,571 CAD to $48,722 CAD

Cheapest Retailer

$11,571 CAD

£6,510 GBP

B+

Retailer 2

$12,343 CAD

$8,819 USD

View

B+

Retailer 3

$13,372 CAD

$9,554 USD

View

Final sale: no returns

B+

Retailer 4

$13,758 CAD

$9,830 USD

View

B+

Retailer 5

$13,758 CAD

$9,830 USD

View

Retailer 6

$13,850 CAD

$9,896 USD

View

Price last confirmed 17 days ago

B+

Retailer 7

$19,858 CAD

£11,172 GBP

View

B+

Retailer 8

$25,352 CAD

£14,263 GBP

View

Retailer 9

$25,431 CAD

€17,305 EUR

View

Retailer 10

$29,481 CAD

ZAR 340,289 ZAR

View

Retailer 11

$35,470 CAD

$25,343 USD

View

Retailer 12

$38,574 CAD

$27,561 USD

View

Retailer 13

$44,024 CAD

$31,455 USD

View

Most Expensive

Michael Trio

5003831750 · Oct 30

$48,722 CAD

SGD 47,042 SGD

View

13 more retailers have this diamond

Prices start from $11,571 CADSave up to $37,151 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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4.89ct Radiant

$11,571 CAD