Round|Lab Grown|IGI

1.83ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG804603239

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804603239

Diamond specifications and retailer prices

From $655 NZD

$368 USD

As of October 28, 2026

Save $5,274 NZD (89%) vs most expensive(unlock to see where)

27 retailers carry this diamond

Most expensive: $5,929 NZD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.83ct lab-grown round diamond

This 1.83ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804603239 or 804603239. Listed at 27 retailers as of October 28, 2026, with prices from $655 to $5,929, a $5,274 spread on the same certified stone. Brilliant Earth lists it at $5,929. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.8°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG804603239

Dimensions7.84 × 7.78 × 4.86 mm

L/W Ratio1.01

Girdle conditionFaceted

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 LG804603239

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 28

Current: $5,929 NZD|Low: $655 NZD|High: $5,929 NZD|Avg: $2,109 NZD

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

October 29, 2026

Retailer 7$655 NZD

Retailer 4$1,024 NZD

Retailer 13$1,024 NZD

Retailer 10$1,182 NZD

Retailer 12$1,251 NZD

Retailer 2$1,295 NZD

Retailer 5$1,341 NZD

Retailer 9$1,648 NZD

Retailer 11$1,697 NZD

Retailer 16$2,135 NZD

Retailer 17$2,199 NZD

Retailer 8$2,418 NZD

Retailer 3$2,553 NZD

Retailer 6$2,862 NZD

Retailer 14$2,922 NZD

Retailer 15$4,594 NZD

Brilliant Earth$5,929 NZD

37 data points across 17 retailers

27 retailers$655 NZD to $5,929 NZD

Retailer 1

$588 NZD

$330 USD

Price last confirmed 19 days ago

Retailer 2

$605 NZD

$340 USD

View

Price last confirmed 37 days ago

Retailer 3

$655 NZD

$368 USD

View

Final sale: no returns

Retailer 4

$702 NZD

$394 USD

View

Price last confirmed 37 days ago

Retailer 5

$728 NZD

$409 USD

View

Price last confirmed 17 days ago

Retailer 6

$728 NZD

$409 USD

View

Price last confirmed 27 days ago

Retailer 7

$741 NZD

$416 USD

View

Price last confirmed 35 days ago

Retailer 8

$1,024 NZD

$575 USD

View

Retailer 9

$1,024 NZD

$575 USD

View

Retailer 10

$1,182 NZD

€632 EUR

View

Retailer 11

$1,251 NZD

ZAR 11,347 ZAR

View

Retailer 12

$1,295 NZD

£573 GBP

View

Retailer 13

$1,341 NZD

$753 USD

View

Retailer 14

$1,648 NZD

$925 USD

View

Retailer 15

$1,697 NZD

A$1,466 AUD

View

B+

Retailer 16

$2,135 NZD

$1,199 USD

View

B+

Retailer 17

$2,199 NZD

$1,235 USD

View

Retailer 18

$2,340 NZD

$1,314 USD

View

Price last confirmed 22 days ago

Retailer 19

$2,409 NZD

$1,353 USD

View

Price last confirmed 39 days ago

B+

Retailer 20

$2,418 NZD

$1,358 USD

View

B+

Retailer 21

$2,553 NZD

$1,434 USD

View

B+

Retailer 22

$2,749 NZD

$1,544 USD

View

B+

Retailer 23

$2,862 NZD

$1,607 USD

View

B+

Retailer 24

$2,922 NZD

£1,292 GBP

View

Retailer 25

$4,442 NZD

$2,495 USD

View

Retailer 26

$4,594 NZD

$2,580 USD

View

Most Expensive

Brilliant Earth

20382663A · Oct 29

$5,929 NZD

$3,330 USD

View

26 more retailers have this diamond

Prices start from $655 NZDSave up to $5,274 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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