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 $8,252 NZD

$4,651 USD

As of October 24, 2026

Save $12,773 NZD (61%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: $35,926 NZD 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 24, 2026, with a 155% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 →

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 24

Current: $11,767 NZD|Low: $6,660 NZD|High: $38,912 NZD|Avg: $18,227 NZD|-6.6%

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$6,660 NZD

Retailer 11$8,252 NZD

Retailer 9$8,462 NZD

Retailer 13$11,333 NZD

Retailer 1$11,767 NZD

Retailer 12$13,911 NZD

Retailer 7$14,749 NZD

Retailer 2$16,906 NZD

Retailer 8$18,811 NZD

Retailer 6$20,749 NZD

Retailer 4$21,025 NZD

Retailer 10$24,326 NZD

Retailer 3$32,230 NZD

With Clarity$35,926 NZD

33 data points across 14 retailers

12 retailers$8,252 NZD to $21,025 NZD

Cheapest Retailer

$8,252 NZD

$4,651 USD

Retailer 2

$8,462 NZD

$4,769 USD

View

Retailer 3

$11,333 NZD

HK$49,900 HKD

View

Price last confirmed 7 days ago

Retailer 4

$11,767 NZD

£5,222 GBP

View

Price last confirmed 7 days ago

Retailer 5

$13,911 NZD

$7,840 USD

View

Price last confirmed 9 days ago

Retailer 6

$16,906 NZD

$9,528 USD

View

Price last confirmed 7 days ago

Retailer 7

$18,811 NZD

£8,348 GBP

View

Price last confirmed 9 days ago

Retailer 8

$20,749 NZD

ZAR 188,922 ZAR

View

Price last confirmed 10 days ago

Retailer 9

$21,025 NZD

$11,850 USD

View

Retailer 10

$24,326 NZD

$13,710 USD

View

Price last confirmed 8 days ago

Retailer 11

$32,230 NZD

$18,165 USD

View

Price last confirmed 10 days ago

Most Expensive

With Clarity

768630643 · Oct 22

$35,926 NZD

$20,248 USD

View

Price last confirmed 8 days ago

11 more retailers have this diamond

Prices start from $8,252 NZDSave up to $12,773 NZD

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

$8,252 NZD