Oval|Lab Grown|IGI

4.23ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG812638527

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG812638527

Diamond specifications and retailer prices

From $4,400 NZD

$2,471 USD

As of October 29, 2026

Save $23,766 NZD (84%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: $28,166 NZD at Yadav Diamonds · As of October 29, 2026

View at Yadav Diamonds

About this 4.23ct lab-grown oval diamond

This 4.23ct 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 LG812638527 or 812638527. Listed at 22 retailers as of October 29, 2026, with prices from $4,400 to $28,166, a $23,766 spread on the same certified stone. Yadav Diamonds lists it at $28,166. 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

4.23

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34°

Pavilion angle40.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG812638527

Dimensions13.35 × 9.26 × 5.52 mm

L/W Ratio1.44

Girdle conditionFaceted

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG812638527

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: $10,710 NZD|Low: $3,184 NZD|High: $28,166 NZD|Avg: $10,155 NZD|+13.8%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

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Retailer 14

Retailer 15

Retailer 16

Retailer 17

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Retailer 19

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Retailer 21

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Retailer 23

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Retailer 25

Retailer 26

Yadav Diamonds

October 29, 2026

Retailer 12$4,400 NZD

Retailer 18$4,503 NZD

Retailer 6$4,852 NZD

Retailer 22$5,149 NZD

Retailer 16$5,404 NZD

Retailer 17$6,303 NZD

Retailer 19$6,492 NZD

Retailer 20$6,909 NZD

Retailer 14$7,300 NZD

Retailer 10$7,319 NZD

Retailer 4$8,498 NZD

Retailer 13$9,457 NZD

Retailer 5$9,551 NZD

Retailer 1$10,710 NZD

Retailer 7$11,830 NZD

Retailer 8$12,486 NZD

Retailer 9$12,493 NZD

Retailer 2$12,743 NZD

Retailer 21$13,545 NZD

Retailer 24$15,081 NZD

Retailer 3$15,241 NZD

Retailer 23$17,553 NZD

Retailer 25$18,939 NZD

Retailer 15$21,102 NZD

Retailer 11$21,527 NZD

Retailer 26$24,411 NZD

Yadav Diamonds$28,166 NZD

25 data points across 27 retailers

22 retailers$4,400 NZD to $28,166 NZD

Retailer 1

$3,801 NZD

$2,135 USD

Price last confirmed 36 days ago

Retailer 2

$4,348 NZD

$2,442 USD

View

Price last confirmed 36 days ago

Retailer 3

$4,400 NZD

$2,471 USD

View

Final sale: no returns

Retailer 4

$4,852 NZD

$2,725 USD

View

Retailer 5

$5,149 NZD

$2,892 USD

View

Retailer 6

$5,404 NZD

$3,035 USD

View

Price last confirmed 26 days ago

Retailer 7

$6,909 NZD

£3,055 GBP

View

Retailer 8

$8,498 NZD

$4,773 USD

View

Retailer 9

$9,551 NZD

£4,224 GBP

View

B+

Retailer 10

$10,710 NZD

ZAR 97,177 ZAR

View

B+

Retailer 11

$11,830 NZD

$6,644 USD

View

B+

Retailer 12

$12,486 NZD

$7,013 USD

View

B+

Retailer 13

$12,493 NZD

$7,017 USD

View

B+

Retailer 14

$12,743 NZD

$7,157 USD

View

B+

Retailer 15

$13,545 NZD

£5,990 GBP

View

B+

Retailer 16

$15,081 NZD

$8,470 USD

View

B+

Retailer 17

$15,241 NZD

£6,740 GBP

View

Retailer 18

$17,553 NZD

$9,858 USD

View

Retailer 19

$18,939 NZD

$10,637 USD

View

Retailer 20

$21,527 NZD

A$18,601 AUD

View

Price last confirmed 28 days ago

Retailer 21

$24,411 NZD

$13,710 USD

View

Most Expensive

Yadav Diamonds

13362555 · Oct 29

$28,166 NZD

$15,819 USD

View

21 more retailers have this diamond

Prices start from $4,400 NZDSave up to $23,766 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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