Round|Lab Grown|IGI

5.80ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG780667680

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780667680

Diamond specifications and retailer prices

From $11,576 NZD

$6,524 USD

As of October 29, 2026

Save $85,197 NZD (88%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: $96,772 NZD at Mervis Diamond Importers · As of October 31, 2026

View at Mervis Diamond Importers

About this 5.8ct lab-grown round diamond

This 5.8ct 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 LG780667680 or 780667680. Listed at 24 retailers as of October 29, 2026, with prices from $11,576 to $96,772, a $85,197 spread on the same certified stone. Mervis Diamond Importers lists it at $96,772. 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

5.80

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.1°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780667680

Dimensions11.52 × 11.57 × 7.03 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 LG780667680

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: $96,772 NZD|Low: $11,576 NZD|High: $96,772 NZD|Avg: $27,554 NZD

Mervis Diamond Importers

Retailer 2

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Retailer 21

November 1, 2026

Retailer 3$11,576 NZD

Retailer 19$12,039 NZD

Retailer 11$12,237 NZD

Retailer 12$12,965 NZD

Retailer 14$13,428 NZD

Retailer 18$13,431 NZD

Retailer 20$15,695 NZD

Retailer 7$16,120 NZD

Retailer 21$16,648 NZD

Retailer 5$17,594 NZD

Retailer 2$18,156 NZD

Retailer 4$19,503 NZD

Retailer 17$23,450 NZD

Retailer 16$29,258 NZD

Retailer 15$30,112 NZD

Retailer 6$36,955 NZD

Retailer 9$39,459 NZD

Retailer 13$44,996 NZD

Retailer 10$50,135 NZD

Retailer 8$72,232 NZD

Mervis Diamond Importers$96,772 NZD

40 data points across 21 retailers

24 retailers$11,576 NZD to $96,772 NZD

Cheapest Retailer

$11,576 NZD

$6,524 USD

Retailer 2

$12,039 NZD

$6,785 USD

View

Retailer 3

$12,237 NZD

$6,897 USD

View

Retailer 4

$12,965 NZD

$7,307 USD

View

Final sale: no returns

Retailer 5

$13,428 NZD

$7,568 USD

View

Retailer 6

$13,428 NZD

$7,568 USD

View

Price last confirmed 15 days ago

Retailer 7

$13,431 NZD

$7,570 USD

View

Retailer 8

$15,695 NZD

$8,846 USD

View

Retailer 9

$16,120 NZD

$9,085 USD

View

Price last confirmed 14 days ago

Retailer 10

$16,648 NZD

$9,383 USD

View

Retailer 11

$17,594 NZD

$9,916 USD

View

Retailer 12

$18,156 NZD

£8,057 GBP

View

Retailer 13

$19,503 NZD

$10,992 USD

View

Retailer 14

$23,450 NZD

€12,587 EUR

View

Retailer 15

$28,726 NZD

$16,190 USD

View

Retailer 16

$29,258 NZD

£12,984 GBP

View

Retailer 17

$30,112 NZD

ZAR 274,174 ZAR

View

B+

Retailer 18

$34,196 NZD

$19,273 USD

View

B+

Retailer 19

$36,955 NZD

$20,828 USD

View

B+

Retailer 20

$39,459 NZD

$22,239 USD

View

B+

Retailer 21

$44,996 NZD

$25,360 USD

View

B+

Retailer 22

$50,135 NZD

$28,256 USD

View

Retailer 23

$72,232 NZD

$40,710 USD

View

Most Expensive

Mervis Diamond Importers

1974990084 · Oct 31

$96,772 NZD

$54,541 USD

View

23 more retailers have this diamond

Prices start from $11,576 NZDSave up to $85,197 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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5.80ct Round

$11,576 NZD