Round|Lab Grown|IGI

5.55ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG784604647

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784604647

Diamond specifications and retailer prices

From $12,420 NZD

$7,000 USD

As of October 31, 2026

Save $76,215 NZD (86%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: $88,635 NZD at Mervis Diamond Importers · As of October 31, 2026

View at Mervis Diamond Importers

About this 5.55ct lab-grown round diamond

This 5.55ct lab-grown round sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784604647 or 784604647. Listed at 22 retailers as of October 31, 2026, with prices from $12,420 to $88,635, a $76,215 spread on the same certified stone. Mervis Diamond Importers lists it at $88,635. 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

5.55

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.9°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG784604647

Dimensions11.31 × 11.35 × 7.02 mm

L/W Ratio1.00

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG784604647

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 31

Current: $88,635 NZD|Low: $12,420 NZD|High: $88,635 NZD|Avg: $30,340 NZD

Mervis Diamond Importers

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

November 1, 2026

Retailer 6$12,420 NZD

Retailer 12$15,298 NZD

Retailer 11$15,303 NZD

Retailer 13$15,348 NZD

Retailer 2$17,783 NZD

Retailer 7$17,849 NZD

Retailer 14$18,667 NZD

Retailer 10$22,438 NZD

Retailer 9$28,032 NZD

Retailer 8$28,852 NZD

Retailer 15$35,409 NZD

Retailer 4$37,782 NZD

Retailer 5$48,541 NZD

Retailer 3$69,215 NZD

Mervis Diamond Importers$88,635 NZD

42 data points across 15 retailers

22 retailers$12,420 NZD to $88,635 NZD

Cheapest Retailer

$12,420 NZD

$7,000 USD

Final sale: no returns

Retailer 2

$13,242 NZD

$7,463 USD

View

Price last confirmed 21 days ago

Retailer 3

$13,770 NZD

$7,761 USD

View

Price last confirmed 18 days ago

Retailer 4

$15,298 NZD

$8,622 USD

View

Retailer 5

$15,303 NZD

$8,625 USD

View

Retailer 6

$15,348 NZD

$8,650 USD

View

Retailer 7

$15,360 NZD

$8,657 USD

View

Price last confirmed 29 days ago

Retailer 8

$15,360 NZD

$8,657 USD

View

Price last confirmed 19 days ago

Retailer 9

$17,783 NZD

£7,892 GBP

View

Retailer 10

$17,849 NZD

$10,060 USD

View

Price last confirmed 27 days ago

Retailer 11

$18,667 NZD

$10,521 USD

View

Retailer 12

$19,068 NZD

$10,747 USD

View

Price last confirmed 24 days ago

Retailer 13

$22,438 NZD

€12,044 EUR

View

Retailer 14

$26,685 NZD

$15,040 USD

View

Retailer 15

$28,032 NZD

£12,440 GBP

View

Retailer 16

$28,852 NZD

ZAR 262,700 ZAR

View

B+

Retailer 17

$32,746 NZD

$18,456 USD

View

B+

Retailer 18

$35,409 NZD

$19,957 USD

View

B+

Retailer 19

$37,782 NZD

$21,294 USD

View

B+

Retailer 20

$48,541 NZD

$27,358 USD

View

Retailer 21

$69,215 NZD

$39,010 USD

View

Most Expensive

Mervis Diamond Importers

1974989030 · Oct 31

$88,635 NZD

$49,955 USD

View

21 more retailers have this diamond

Prices start from $12,420 NZDSave up to $76,215 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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5.55ct Round

$12,420 NZD