Marquise|Lab Grown|IGI

3.28ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG768630643

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768630643

Diamond specifications and retailer prices

From $16,870 AUD

$11,850 USD

As of October 30, 2026

12 retailers carry this diamond

Most expensive: $28,825 AUD at With Clarity · As of October 22, 2026

View at With Clarity

About this 3.28ct lab-grown marquise diamond

This 3.28ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768630643 or 768630643. Listed at 12 retailers as of October 30, 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

3.28

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.6°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG768630643

Dimensions15.36 × 7.67 × 4.87 mm

L/W Ratio2.00

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG768630643

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 30

Current: $9,441 AUD|Low: $5,343 AUD|High: $31,221 AUD|Avg: $14,625 AUD|-7.0%

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

With Clarity

October 23, 2026

Retailer 5$5,343 AUD

Retailer 11$6,621 AUD

Retailer 9$6,789 AUD

Retailer 13$9,093 AUD

Retailer 1$9,441 AUD

Retailer 12$11,161 AUD

Retailer 7$11,834 AUD

Retailer 2$13,564 AUD

Retailer 8$15,093 AUD

Retailer 6$16,648 AUD

Retailer 4$16,870 AUD

Retailer 10$19,518 AUD

Retailer 3$25,859 AUD

With Clarity$28,825 AUD

32 data points across 14 retailers

12 retailers

Retailer 1

$6,621 AUD

$4,651 USD

Price last confirmed 7 days ago

Retailer 2

$6,789 AUD

$4,769 USD

View

Price last confirmed 7 days ago

Retailer 3

$9,093 AUD

HK$49,900 HKD

View

Price last confirmed 7 days ago

Retailer 4

$9,441 AUD

£5,222 GBP

View

Price last confirmed 7 days ago

Retailer 5

$11,161 AUD

$7,840 USD

View

Price last confirmed 9 days ago

Retailer 6

$13,564 AUD

$9,528 USD

View

Price last confirmed 7 days ago

Retailer 7

$15,093 AUD

£8,348 GBP

View

Price last confirmed 9 days ago

Retailer 8

$16,648 AUD

ZAR 188,922 ZAR

View

Price last confirmed 10 days ago

Retailer 9

$16,870 AUD

$11,850 USD

View

Retailer 10

$19,518 AUD

$13,710 USD

View

Price last confirmed 9 days ago

Retailer 11

$25,859 AUD

$18,165 USD

View

Price last confirmed 10 days ago

Most Expensive

With Clarity

768630643 · Oct 22

$28,825 AUD

$20,248 USD

View

Price last confirmed 8 days ago

11 more retailers have this diamond

Prices start from $16,870 AUD

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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3.28ct Marquise

$16,870 AUD