Oval|Lab Grown|IGI

1.72ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG468102478

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG468102478

Diamond specifications and retailer prices

From $964 NZD

$541 USD

As of October 29, 2026

13 retailers carry this diamond

Most expensive: $2,476 NZD at Brilliant Earth · As of October 15, 2026

View at Brilliant Earth

About this 1.72ct lab-grown oval diamond

This 1.72ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG468102478 or 468102478. Listed at 13 retailers as of October 29, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.72

Carat

Colour

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.8°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG468102478

Dimensions9.50 × 6.71 × 4.25 mm

L/W Ratio1.42

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 LG468102478

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 29

Current: $2,476 NZD|Low: $682 NZD|High: $2,619 NZD|Avg: $1,489 NZD|-5.4%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

October 17, 2026

Retailer 9$682 NZD

Retailer 10$830 NZD

Retailer 5$892 NZD

Retailer 2$1,042 NZD

Retailer 8$1,106 NZD

Retailer 3$1,639 NZD

Retailer 6$1,871 NZD

Retailer 7$1,989 NZD

Retailer 4$2,272 NZD

Brilliant Earth$2,476 NZD

22 data points across 10 retailers

13 retailers

Retailer 1

$410 NZD

$230 USD

Price last confirmed 18 days ago

Retailer 2

$476 NZD

$267 USD

View

Price last confirmed 15 days ago

Retailer 3

$508 NZD

$285 USD

View

Price last confirmed 26 days ago

Retailer 4

$508 NZD

$285 USD

View

Price last confirmed 13 days ago

B+

Retailer 5

$682 NZD

$383 USD

View

Price last confirmed 13 days ago

Retailer 6

$830 NZD

$466 USD

View

Price last confirmed 12 days ago

Retailer 7

$964 NZD

$541 USD

View

Retailer 8

$1,042 NZD

£461 GBP

View

Price last confirmed 12 days ago

B+

Retailer 9

$1,639 NZD

$920 USD

View

Price last confirmed 13 days ago

Retailer 10

$1,803 NZD

$1,012 USD

View

Price last confirmed 21 days ago

Retailer 11

$1,871 NZD

$1,050 USD

View

Price last confirmed 14 days ago

Retailer 12

$2,272 NZD

£1,004 GBP

View

Price last confirmed 14 days ago

Most Expensive

Brilliant Earth

16513640A · Oct 15

$2,476 NZD

$1,390 USD

View

Price last confirmed 13 days ago

12 more retailers have this diamond

Prices start from $964 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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1.72ct Oval

$964 NZD