Marquise|Lab Grown|IGI

4.02ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG660455301

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG660455301

Diamond specifications and retailer prices

From $5,025 AUD

$3,530 USD

As of October 23, 2026

Save $44,652 AUD (90%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: $49,677 AUD at Do Amore Diamonds · As of October 30, 2026

View at Do Amore Diamonds

About this 4.02ct lab-grown marquise diamond

This 4.02ct lab-grown marquise 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 LG660455301 or 660455301. Listed at 22 retailers as of October 23, 2026, with prices from $5,025 to $49,677, a $44,652 spread on the same certified stone. Do Amore Diamonds lists it at $49,677. 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

4.02

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.2°

Pavilion angle40.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG660455301

Dimensions16.73 × 8.43 × 5.20 mm

L/W Ratio1.98

Girdle conditionFaceted

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 LG660455301

Side View

Caratlytics Score

How it works →

A+

Exceptional

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 23

Current: $34,574 AUD|Low: $5,467 AUD|High: $41,079 AUD|Avg: $13,914 AUD|-15.8%

Do Amore Diamonds

Retailer 2

Retailer 3

Retailer 4

Retailer 5

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Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

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Retailer 16

October 26, 2026

Retailer 16$5,467 AUD

Retailer 6$5,628 AUD

Retailer 8$6,476 AUD

Retailer 2$6,857 AUD

Retailer 13$7,883 AUD

Retailer 11$8,579 AUD

Retailer 10$9,040 AUD

Retailer 5$9,914 AUD

Retailer 15$10,234 AUD

Retailer 4$13,543 AUD

Retailer 14$13,856 AUD

Retailer 12$14,001 AUD

Retailer 7$14,789 AUD

Retailer 9$19,899 AUD

Retailer 3$22,794 AUD

Do Amore Diamonds$34,574 AUD

34 data points across 16 retailers

22 retailers$5,025 AUD to $49,677 AUD

A+

Cheapest Retailer

$5,025 AUD

$3,530 USD

Retailer 2

$5,467 AUD

$3,841 USD

View

Price last confirmed 9 days ago

Retailer 3

$5,829 AUD

$4,095 USD

View

Price last confirmed 8 days ago

Retailer 4

$6,476 AUD

$4,550 USD

View

Price last confirmed 7 days ago

Retailer 5

$6,501 AUD

$4,567 USD

View

Price last confirmed 17 days ago

Retailer 6

$6,857 AUD

$4,817 USD

View

Retailer 7

$7,883 AUD

$5,538 USD

View

Price last confirmed 7 days ago

Retailer 8

$8,041 AUD

$5,649 USD

View

Price last confirmed 8 days ago

Retailer 9

$8,579 AUD

£4,746 GBP

View

Price last confirmed 7 days ago

Retailer 10

$9,040 AUD

$6,351 USD

View

Price last confirmed 7 days ago

Retailer 11

$9,914 AUD

£5,484 GBP

View

Retailer 12

$10,234 AUD

$7,190 USD

View

Price last confirmed 9 days ago

Retailer 13

$13,543 AUD

ZAR 153,710 ZAR

View

Price last confirmed 10 days ago

Retailer 14

$13,856 AUD

£7,665 GBP

View

Price last confirmed 9 days ago

Retailer 15

$14,001 AUD

View

Price last confirmed 7 days ago

Retailer 16

$14,789 AUD

$10,390 USD

View

Price last confirmed 7 days ago

B+

Retailer 17

$19,899 AUD

$13,980 USD

View

B+

Retailer 18

$19,899 AUD

$13,980 USD

View

Retailer 19

$21,399 AUD

$15,034 USD

View

Price last confirmed 9 days ago

Retailer 20

$22,794 AUD

$16,014 USD

View

Price last confirmed 7 days ago

Retailer 21

$34,574 AUD

$24,290 USD

View

Price last confirmed 7 days ago

Most Expensive

Do Amore Diamonds

23-660455301 · Oct 30

$49,677 AUD

$34,900 USD

View

21 more retailers have this diamond

Prices start from $5,025 AUDSave up to $44,652 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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