Oval|Lab Grown|IGI

12.25ct E VS2 Oval Lab Grown Diamond

EX • E/VS2 • IGI LG626428552

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG626428552

Diamond specifications and retailer prices

From $6,809 NZD

£3,022 GBP

As of November 1, 2026

Save $35,650 NZD (84%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: $42,459 NZD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 12.25ct lab-grown oval diamond

This 12.25ct lab-grown oval sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG626428552 or 626428552. Listed at 21 retailers as of October 31, 2026, with prices from $6,809 to $42,459, a $35,650 spread on the same certified stone. Brilliant Earth lists it at $42,459. 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

12.25

Carat

Colour

VS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.8°

Pavilion angle39.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG626428552

Dimensions18.07 × 13.00 × 8.13 mm

L/W Ratio1.39

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG626428552

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: Nov 1

Current: $42,459 NZD|Low: $6,806 NZD|High: $42,565 NZD|Avg: $14,307 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

November 1, 2026

Retailer 2$6,809 NZD

Retailer 15$7,308 NZD

Retailer 6$8,185 NZD

Retailer 3$8,478 NZD

Retailer 5$8,478 NZD

Retailer 11$8,481 NZD

Retailer 14$10,186 NZD

Retailer 9$11,148 NZD

Retailer 4$13,124 NZD

Retailer 13$13,725 NZD

Retailer 12$15,814 NZD

Retailer 8$18,700 NZD

Retailer 10$20,282 NZD

Retailer 7$23,548 NZD

Brilliant Earth$42,459 NZD

37 data points across 15 retailers

21 retailers$6,809 NZD to $42,459 NZD

Cheapest Retailer

$6,809 NZD

£3,022 GBP

Retailer 2

$7,308 NZD

$4,119 USD

View

Price last confirmed 11 days ago

Retailer 3

$7,660 NZD

$4,317 USD

View

Price last confirmed 11 days ago

Retailer 4

$8,185 NZD

$4,613 USD

View

Final sale: no returns

Retailer 5

$8,478 NZD

$4,778 USD

View

Price last confirmed 10 days ago

Retailer 6

$8,478 NZD

$4,778 USD

View

Price last confirmed 19 days ago

Retailer 7

$8,481 NZD

$4,780 USD

View

B+

Retailer 8

$8,746 NZD

$4,929 USD

View

B+

Retailer 9

$10,186 NZD

$5,741 USD

View

Retailer 10

$10,593 NZD

$5,970 USD

View

Price last confirmed 10 days ago

B+

Retailer 11

$11,148 NZD

£4,947 GBP

View

Retailer 12

$11,382 NZD

£5,051 GBP

View

Price last confirmed 10 days ago

B+

Retailer 13

$11,898 NZD

£5,280 GBP

View

Retailer 14

$13,124 NZD

$7,397 USD

View

Price last confirmed 10 days ago

B+

Retailer 15

$13,725 NZD

€7,367 EUR

View

Retailer 16

$15,814 NZD

$8,913 USD

View

Retailer 17

$18,700 NZD

A$16,214 AUD

View

Retailer 18

$20,282 NZD

$11,431 USD

View

Retailer 19

$23,548 NZD

$13,272 USD

View

Retailer 20

$30,130 NZD

$16,981 USD

View

Most Expensive

Brilliant Earth

20695792A · Oct 31

$42,459 NZD

$23,930 USD

View

20 more retailers have this diamond

Prices start from $6,809 NZDSave up to $35,650 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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