Radiant|Lab Grown|IGI

1.60ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG618488008

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG618488008

Diamond specifications and retailer prices

From $536 NZD

$302 USD

As of October 30, 2026

Save $4,805 NZD (90%) vs most expensive(unlock to see where)

29 retailers carry this diamond

Most expensive: $5,341 NZD at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 1.6ct lab-grown radiant diamond

This 1.6ct lab-grown radiant 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 LG618488008 or 618488008. Listed at 29 retailers as of October 30, 2026, with prices from $536 to $5,341, a $4,805 spread on the same certified stone. Brilliant Earth lists it at $5,341. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.8°

Pavilion angle34.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG618488008

Dimensions5.82 × 5.82 × 3.91 mm

L/W Ratio1.00

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 LG618488008

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 30

Current: $5,341 NZD|Low: $536 NZD|High: $6,512 NZD|Avg: $1,890 NZD|-18.0%

Brilliant Earth

Retailer 2

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Retailer 5

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Retailer 11

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Retailer 16

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Retailer 21

October 30, 2026

Retailer 21$536 NZD

Retailer 17$598 NZD

Retailer 9$772 NZD

Retailer 3$940 NZD

Retailer 18$940 NZD

Retailer 19$1,086 NZD

Retailer 7$1,130 NZD

Retailer 16$1,142 NZD

Retailer 2$1,181 NZD

Retailer 8$1,499 NZD

Retailer 15$1,550 NZD

Retailer 4$2,000 NZD

Retailer 20$2,042 NZD

Retailer 11$2,221 NZD

Retailer 12$2,239 NZD

Retailer 6$2,557 NZD

Retailer 13$2,679 NZD

Retailer 5$2,696 NZD

Retailer 10$2,715 NZD

Retailer 14$2,951 NZD

Brilliant Earth$5,341 NZD

35 data points across 21 retailers

29 retailers$536 NZD to $5,341 NZD

Cheapest Retailer

$536 NZD

$302 USD

Retailer 2

$536 NZD

$302 USD

View

Price last confirmed 22 days ago

Retailer 3

$559 NZD

$315 USD

View

Price last confirmed 30 days ago

Retailer 4

$598 NZD

$337 USD

View

Final sale: no returns

Retailer 5

$648 NZD

$365 USD

View

Price last confirmed 33 days ago

Retailer 6

$665 NZD

$375 USD

View

Price last confirmed 27 days ago

Retailer 7

$683 NZD

$385 USD

View

Price last confirmed 31 days ago

Retailer 8

$772 NZD

HK$3,400 HKD

View

Retailer 9

$940 NZD

$530 USD

View

Retailer 10

$940 NZD

$530 USD

View

Retailer 11

$1,086 NZD

€583 EUR

View

Retailer 12

$1,130 NZD

$637 USD

View

Retailer 13

$1,142 NZD

ZAR 10,402 ZAR

View

Retailer 14

$1,181 NZD

£524 GBP

View

Retailer 15

$1,499 NZD

$845 USD

View

Retailer 16

$1,550 NZD

A$1,344 AUD

View

B+

Retailer 17

$2,000 NZD

$1,127 USD

View

B+

Retailer 18

$2,042 NZD

$1,151 USD

View

Retailer 19

$2,138 NZD

$1,205 USD

View

Price last confirmed 20 days ago

B+

Retailer 20

$2,138 NZD

$1,205 USD

View

B+

Retailer 21

$2,221 NZD

$1,252 USD

View

Retailer 22

$2,227 NZD

$1,255 USD

View

Price last confirmed 30 days ago

B+

Retailer 23

$2,239 NZD

SGD 1,705 SGD

View

B+

Retailer 24

$2,557 NZD

$1,441 USD

View

B+

Retailer 25

$2,679 NZD

£1,189 GBP

View

B+

Retailer 26

$2,696 NZD

$1,520 USD

View

Retailer 27

$2,715 NZD

A$2,354 AUD

View

Price last confirmed 28 days ago

B+

Retailer 28

$2,951 NZD

$1,663 USD

View

Most Expensive

Brilliant Earth

9085934A · Oct 30

$5,341 NZD

$3,010 USD

View

28 more retailers have this diamond

Prices start from $536 NZDSave up to $4,805 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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