Radiant|Lab Grown|IGI

3.21ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG675532318

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

Certificate IGI LG675532318

Diamond specifications and retailer prices

From €6,060 EUR

$6,770 USD

As of October 29, 2026

6 retailers carry this diamond

Most expensive: €6,060 EUR at Brilliant Earth

View at Brilliant Earth

About this 3.21ct lab-grown radiant diamond

This 3.21ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG675532318 or 675532318. Listed at 6 retailers as of October 29, 2026. 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

3.21

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.2°

Pavilion angle33.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG675532318

Dimensions11.09 × 7.43 × 4.74 mm

L/W Ratio1.49

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG675532318

Side View

Caratlytics Score

How it works →

Good

Decent quality, room for better deals

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29

Current: €6,060 EUR|Low: €866 EUR|High: €9,622 EUR|Avg: €3,598 EUR

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

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Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

Retailer 17

Retailer 18

Retailer 19

September 27, 2026

Retailer 18€1,213 EUR

Retailer 15€1,401 EUR

Retailer 14€1,485 EUR

Retailer 7€1,604 EUR

Retailer 4€1,887 EUR

Retailer 2€2,004 EUR

Retailer 3€2,317 EUR

Retailer 9€2,587 EUR

Retailer 16€3,147 EUR

Retailer 19€3,356 EUR

Retailer 6€3,914 EUR

Retailer 17€4,153 EUR

Retailer 12€4,507 EUR

Retailer 8€4,787 EUR

Retailer 13€4,826 EUR

Retailer 10€4,876 EUR

Retailer 11€5,786 EUR

Brilliant Earth€6,060 EUR

Retailer 5€9,622 EUR

11 data points across 19 retailers

6 retailers

Retailer 1

€1,179 EUR

$1,317 USD

Price last confirmed 33 days ago

Retailer 2

€1,240 EUR

$1,385 USD

View

Price last confirmed 33 days ago

Retailer 3

€1,604 EUR

HK$14,000 HKD

View

Price last confirmed 56 days ago

Retailer 4

€3,147 EUR

ZAR 56,802 ZAR

View

Price last confirmed 39 days ago

Retailer 5

€4,787 EUR

$5,348 USD

View

Price last confirmed 54 days ago

Most Expensive

Brilliant Earth

21305180Y · Oct 29

€6,060 EUR

$6,770 USD

View

5 more retailers have this diamond

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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