Radiant|Lab Grown|IGI

1.59ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG665410217

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

Certificate IGI LG665410217

Diamond specifications and retailer prices

From $534 NZD

$300 USD

As of October 27, 2026

Save $4,790 NZD (90%) vs most expensive(unlock to see where)

32 retailers carry this diamond

Most expensive: $5,324 NZD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.59ct lab-grown radiant diamond

This 1.59ct 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 LG665410217 or 665410217. Listed at 32 retailers as of October 27, 2026, with prices from $534 to $5,324, a $4,790 spread on the same certified stone. Brilliant Earth lists it at $5,324. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.9°

Pavilion angle32.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG665410217

Dimensions8.50 × 5.71 × 3.74 mm

L/W Ratio1.49

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 LG665410217

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 27

Current: $5,324 NZD|Low: $534 NZD|High: $5,324 NZD|Avg: $1,915 NZD

Brilliant Earth

Retailer 2

Retailer 3

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Retailer 5

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Retailer 22

October 30, 2026

Retailer 3$534 NZD

Retailer 16$636 NZD

Retailer 10$775 NZD

Retailer 4$940 NZD

Retailer 18$944 NZD

Retailer 21$1,086 NZD

Retailer 8$1,131 NZD

Retailer 17$1,140 NZD

Retailer 2$1,177 NZD

Retailer 9$1,495 NZD

Retailer 13$1,546 NZD

Retailer 5$1,983 NZD

Retailer 22$2,039 NZD

Retailer 15$2,208 NZD

Retailer 12$2,217 NZD

Retailer 14$2,236 NZD

Retailer 7$2,551 NZD

Retailer 19$2,661 NZD

Retailer 6$2,696 NZD

Retailer 11$2,712 NZD

Retailer 20$4,042 NZD

Brilliant Earth$5,324 NZD

37 data points across 22 retailers

32 retailers$534 NZD to $5,324 NZD

Cheapest Retailer

$534 NZD

$300 USD

Retailer 2

$534 NZD

$300 USD

View

Price last confirmed 21 days ago

Retailer 3

$557 NZD

$313 USD

View

Price last confirmed 30 days ago

Retailer 4

$636 NZD

$357 USD

View

Final sale: no returns

Retailer 5

$646 NZD

$363 USD

View

Price last confirmed 32 days ago

Retailer 6

$664 NZD

$373 USD

View

Price last confirmed 26 days ago

Retailer 7

$682 NZD

$383 USD

View

Price last confirmed 31 days ago

Retailer 8

$775 NZD

HK$3,400 HKD

View

Retailer 9

$940 NZD

$528 USD

View

Retailer 10

$944 NZD

$530 USD

View

Retailer 11

$1,086 NZD

€581 EUR

View

Retailer 12

$1,131 NZD

$635 USD

View

Retailer 13

$1,140 NZD

ZAR 10,343 ZAR

View

Retailer 14

$1,164 NZD

£515 GBP

View

Price last confirmed 14 days ago

Retailer 15

$1,177 NZD

£521 GBP

View

Retailer 16

$1,495 NZD

$840 USD

View

Retailer 17

$1,546 NZD

A$1,336 AUD

View

Retailer 18

$1,983 NZD

$1,114 USD

View

B+

Retailer 19

$2,039 NZD

$1,145 USD

View

Retailer 20

$2,133 NZD

$1,198 USD

View

Price last confirmed 19 days ago

B+

Retailer 21

$2,133 NZD

$1,198 USD

View

B+

Retailer 22

$2,208 NZD

$1,240 USD

View

B+

Retailer 23

$2,217 NZD

$1,245 USD

View

Retailer 24

$2,222 NZD

$1,248 USD

View

Price last confirmed 29 days ago

B+

Retailer 25

$2,236 NZD

SGD 1,697 SGD

View

B+

Retailer 26

$2,551 NZD

$1,433 USD

View

B+

Retailer 27

$2,661 NZD

£1,177 GBP

View

B+

Retailer 28

$2,696 NZD

$1,514 USD

View

Retailer 29

$2,712 NZD

A$2,343 AUD

View

Price last confirmed 24 days ago

Retailer 30

$4,042 NZD

$2,270 USD

View

Price last confirmed 11 days ago

Retailer 31

$5,036 NZD

£2,227 GBP

View

Most Expensive

Brilliant Earth

12598535A · Oct 29

$5,324 NZD

$2,990 USD

View

31 more retailers have this diamond

Prices start from $534 NZDSave up to $4,790 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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