Marquise|Lab Grown|IGI

5.50ct E VVS2 Marquise Lab Grown Diamond

EX • E/VVS2 • IGI LG715509994

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG715509994

Diamond specifications and retailer prices

From $2,415 NZD

$1,361 USD

As of October 29, 2026

Save $15,843 NZD (87%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: $22,338 NZD at Brilliant Earth · As of October 17, 2026

View at Brilliant Earth

About this 5.5ct lab-grown marquise diamond

This 5.5ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG715509994 or 715509994. Listed at 21 retailers as of October 29, 2026, with a 656% 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

5.50

Carat

Colour

VVS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.3°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG715509994

Dimensions17.04 × 9.37 × 5.96 mm

L/W Ratio1.82

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG715509994

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 29

Current: $18,258 NZD|Low: $1,723 NZD|High: $22,338 NZD|Avg: $6,699 NZD|-18.3%

Brilliant Earth

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

Retailer 15

Retailer 16

Retailer 17

Retailer 18

October 30, 2026

Retailer 4$2,415 NZD

Retailer 13$2,803 NZD

Retailer 10$2,884 NZD

Retailer 2$3,630 NZD

Retailer 8$3,779 NZD

Retailer 12$3,804 NZD

Retailer 18$4,494 NZD

Retailer 14$4,902 NZD

Retailer 5$6,030 NZD

Retailer 16$6,494 NZD

Retailer 15$6,687 NZD

Retailer 9$7,499 NZD

Retailer 11$8,078 NZD

Retailer 3$8,379 NZD

Retailer 7$8,766 NZD

Retailer 17$10,051 NZD

Retailer 6$12,532 NZD

Brilliant Earth$18,258 NZD

38 data points across 18 retailers

21 retailers$2,415 NZD to $18,258 NZD

Retailer 1

$2,069 NZD

$1,166 USD

Price last confirmed 28 days ago

Retailer 2

$2,346 NZD

$1,322 USD

View

Price last confirmed 31 days ago

Retailer 3

$2,415 NZD

$1,361 USD

View

Final sale: no returns

Retailer 4

$2,500 NZD

$1,409 USD

View

Price last confirmed 27 days ago

Retailer 5

$2,803 NZD

$1,580 USD

View

Retailer 6

$2,884 NZD

HK$12,700 HKD

View

Retailer 7

$3,630 NZD

£1,611 GBP

View

Retailer 8

$3,779 NZD

$2,130 USD

View

Price last confirmed 16 days ago

Retailer 9

$3,804 NZD

€2,042 EUR

View

Retailer 10

$4,494 NZD

$2,533 USD

View

Price last confirmed 14 days ago

B+

Retailer 11

$4,902 NZD

$2,763 USD

View

Retailer 12

$6,030 NZD

£2,676 GBP

View

Price last confirmed 15 days ago

Retailer 13

$6,494 NZD

$3,660 USD

View

Price last confirmed 8 days ago

B+

Retailer 14

$6,687 NZD

$3,769 USD

View

B+

Retailer 15

$7,499 NZD

$4,227 USD

View

B+

Retailer 16

$8,078 NZD

£3,585 GBP

View

Retailer 17

$8,379 NZD

SGD 6,382 SGD

View

Retailer 18

$8,766 NZD

$4,941 USD

View

Retailer 19

$10,051 NZD

$5,665 USD

View

Price last confirmed 26 days ago

Retailer 20

$18,258 NZD

$10,290 USD

View

Most Expensive

Brilliant Earth

14605965A · Oct 17

$22,338 NZD

$12,590 USD

View

Price last confirmed 13 days ago

20 more retailers have this diamond

Prices start from $2,415 NZDSave up to $15,843 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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