Oval|Lab Grown|IGI

4.54ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG782627183

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG782627183

Diamond specifications and retailer prices

From $9,164 NZD

$5,147 USD

As of October 29, 2026

Save $25,712 NZD (74%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: $34,876 NZD at Taylor and Hart · As of October 28, 2026

View at Taylor and Hart

About this 4.54ct lab-grown oval diamond

This 4.54ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG782627183 or 782627183. Listed at 20 retailers as of October 28, 2026, with prices from $9,164 to $34,876, a $25,712 spread on the same certified stone. Taylor and Hart lists it at $34,876. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.54

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.1°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG782627183

Dimensions13.36 × 9.20 × 5.82 mm

L/W Ratio1.45

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG782627183

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 29

Current: $12,671 NZD|Low: $9,164 NZD|High: $52,414 NZD|Avg: $22,659 NZD|-35.3%

Retailer 1

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

Taylor and Hart

October 30, 2026

Retailer 4$9,164 NZD

Retailer 3$9,405 NZD

Retailer 10$9,802 NZD

Retailer 2$12,442 NZD

Retailer 12$12,504 NZD

Retailer 1$12,671 NZD

Retailer 14$13,757 NZD

Retailer 9$14,235 NZD

Retailer 6$15,884 NZD

Retailer 13$18,280 NZD

Retailer 8$20,279 NZD

Retailer 7$20,734 NZD

Retailer 11$21,382 NZD

Retailer 5$27,079 NZD

Taylor and Hart$34,876 NZD

41 data points across 15 retailers

20 retailers$9,164 NZD to $34,876 NZD

Cheapest Retailer

$9,164 NZD

$5,147 USD

Retailer 2

$9,405 NZD

$5,282 USD

View

Final sale: no returns

Retailer 3

$9,802 NZD

$5,505 USD

View

Retailer 4

$12,442 NZD

$6,988 USD

View

B+

Retailer 5

$12,504 NZD

$7,023 USD

View

B+

Retailer 6

$12,671 NZD

£5,604 GBP

View

Retailer 7

$13,692 NZD

$7,690 USD

View

Price last confirmed 19 days ago

B+

Retailer 8

$13,757 NZD

£6,084 GBP

View

B+

Retailer 9

$14,235 NZD

$7,995 USD

View

Retailer 10

$14,240 NZD

$7,998 USD

View

Price last confirmed 34 days ago

Retailer 11

$15,665 NZD

$8,798 USD

View

Price last confirmed 38 days ago

Retailer 12

$15,884 NZD

$8,921 USD

View

Price last confirmed 27 days ago

Retailer 13

$15,884 NZD

$8,921 USD

View

Price last confirmed 17 days ago

Retailer 14

$17,862 NZD

$10,032 USD

View

Price last confirmed 22 days ago

B+

Retailer 15

$18,280 NZD

$10,267 USD

View

B+

Retailer 16

$20,279 NZD

£8,968 GBP

View

B+

Retailer 17

$20,734 NZD

ZAR 188,126 ZAR

View

Retailer 18

$21,382 NZD

A$18,475 AUD

View

Price last confirmed 7 days ago

Retailer 19

$27,079 NZD

$15,208 USD

View

Most Expensive

Taylor and Hart

HA1J6LE · Oct 28

$34,876 NZD

$19,588 USD

View

19 more retailers have this diamond

Prices start from $9,164 NZDSave up to $25,712 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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4.54ct Oval

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