Oval|Lab Grown|IGI

1.59ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG700515365

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG700515365

Diamond specifications and retailer prices

From $1,129 NZD

$634 USD

As of October 30, 2026

Save $7,097 NZD (86%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $8,226 NZD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.59ct lab-grown oval diamond

This 1.59ct lab-grown oval 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 LG700515365 or 700515365. Listed at 26 retailers as of October 29, 2026, with prices from $1,129 to $8,226, a $7,097 spread on the same certified stone. Brilliant Earth lists it at $8,226. 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 angle35.3°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG700515365

Dimensions9.26 × 6.71 × 4.12 mm

L/W Ratio1.38

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 LG700515365

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30

Current: $8,226 NZD|Low: $1,010 NZD|High: $8,226 NZD|Avg: $2,979 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

October 30, 2026

Retailer 4$1,010 NZD

Retailer 7$1,252 NZD

Retailer 15$1,252 NZD

Retailer 2$1,292 NZD

Retailer 11$1,442 NZD

Retailer 5$1,674 NZD

Retailer 9$1,826 NZD

Retailer 8$1,952 NZD

Retailer 10$2,150 NZD

Retailer 3$3,103 NZD

Retailer 12$3,833 NZD

Retailer 14$4,122 NZD

Retailer 6$4,343 NZD

Retailer 13$5,438 NZD

Brilliant Earth$8,226 NZD

35 data points across 15 retailers

26 retailers$1,129 NZD to $8,226 NZD

Retailer 1

$1,010 NZD

$567 USD

Price last confirmed 19 days ago

Retailer 2

$1,129 NZD

$634 USD

View

Final sale: no returns

Retailer 3

$1,131 NZD

$635 USD

View

Price last confirmed 16 days ago

Retailer 4

$1,252 NZD

$703 USD

View

Price last confirmed 27 days ago

Retailer 5

$1,252 NZD

$703 USD

View

Retailer 6

$1,252 NZD

$703 USD

View

Price last confirmed 13 days ago

Retailer 7

$1,292 NZD

£571 GBP

View

Retailer 8

$1,442 NZD

$810 USD

View

Retailer 9

$1,638 NZD

$920 USD

View

Retailer 10

$1,674 NZD

$940 USD

View

B+

Retailer 11

$1,826 NZD

A$1,578 AUD

View

B+

Retailer 12

$1,952 NZD

£863 GBP

View

B+

Retailer 13

$2,146 NZD

$1,205 USD

View

B+

Retailer 14

$2,150 NZD

ZAR 19,506 ZAR

View

B+

Retailer 15

$3,103 NZD

$1,743 USD

View

Retailer 16

$3,290 NZD

$1,848 USD

View

Price last confirmed 22 days ago

Retailer 17

$3,636 NZD

£1,608 GBP

View

Retailer 18

$3,833 NZD

€2,050 EUR

View

Retailer 19

$3,945 NZD

SGD 2,994 SGD

View

Retailer 20

$4,027 NZD

$2,262 USD

View

Retailer 21

$4,054 NZD

$2,277 USD

View

Retailer 22

$4,122 NZD

$2,315 USD

View

Price last confirmed 11 days ago

Retailer 23

$4,208 NZD

$2,363 USD

View

Retailer 24

$4,343 NZD

$2,439 USD

View

Retailer 25

$5,438 NZD

£2,405 GBP

View

Most Expensive

Brilliant Earth

15189129A · Oct 29

$8,226 NZD

$4,620 USD

View

25 more retailers have this diamond

Prices start from $1,129 NZDSave up to $7,097 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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