Heart|Lab Grown|IGI

12.53ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG669458684

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG669458684

Diamond specifications and retailer prices

From $6,990 NZD

£3,102 GBP

As of October 30, 2026

Save $36,019 NZD (84%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: $43,009 NZD at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 12.53ct lab-grown heart diamond

This 12.53ct lab-grown heart sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG669458684 or 669458684. Listed at 21 retailers as of October 30, 2026, with prices from $6,990 to $43,009, a $36,019 spread on the same certified stone. Brilliant Earth lists it at $43,009. 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

12.53

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle31.3°

Pavilion angle39.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG669458684

Dimensions14.42 × 16.48 × 9.21 mm

L/W Ratio1.14

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG669458684

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 30

Current: $43,009 NZD|Low: $6,990 NZD|High: $51,472 NZD|Avg: $15,509 NZD|-16.4%

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

Retailer 16

Retailer 17

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Retailer 20

October 31, 2026

Retailer 14$6,990 NZD

Retailer 8$7,480 NZD

Retailer 3$7,839 NZD

Retailer 20$8,376 NZD

Retailer 16$8,678 NZD

Retailer 17$8,941 NZD

Retailer 11$8,983 NZD

Retailer 5$8,987 NZD

Retailer 18$10,843 NZD

Retailer 2$11,136 NZD

Retailer 13$11,292 NZD

Retailer 12$13,085 NZD

Retailer 15$13,431 NZD

Retailer 9$16,995 NZD

Retailer 6$19,258 NZD

Retailer 19$20,140 NZD

Retailer 10$20,311 NZD

Retailer 4$24,107 NZD

Retailer 7$30,883 NZD

Brilliant Earth$43,009 NZD

36 data points across 20 retailers

21 retailers$6,990 NZD to $43,009 NZD

Cheapest Retailer

$6,990 NZD

£3,102 GBP

Retailer 2

$7,480 NZD

$4,216 USD

View

Retailer 3

$7,839 NZD

$4,418 USD

View

Retailer 4

$8,376 NZD

$4,721 USD

View

Final sale: no returns

Retailer 5

$8,678 NZD

$4,891 USD

View

B+

Retailer 6

$8,941 NZD

$5,039 USD

View

Retailer 7

$8,983 NZD

$5,063 USD

View

Price last confirmed 19 days ago

B+

Retailer 8

$8,987 NZD

$5,065 USD

View

B+

Retailer 9

$10,843 NZD

$6,111 USD

View

B+

Retailer 10

$11,136 NZD

£4,942 GBP

View

B+

Retailer 11

$11,292 NZD

$6,364 USD

View

B+

Retailer 12

$13,085 NZD

$7,375 USD

View

B+

Retailer 13

$13,431 NZD

ZAR 122,292 ZAR

View

Retailer 14

$16,995 NZD

A$14,736 AUD

View

Price last confirmed 9 days ago

Retailer 15

$19,258 NZD

$10,854 USD

View

Retailer 16

$20,140 NZD

$11,351 USD

View

Retailer 17

$20,311 NZD

A$17,611 AUD

View

Price last confirmed 23 days ago

Retailer 18

$22,793 NZD

$12,846 USD

View

Retailer 19

$24,107 NZD

$13,587 USD

View

Retailer 20

$30,883 NZD

$17,406 USD

View

Most Expensive

Brilliant Earth

13435437A · Oct 30

$43,009 NZD

$24,240 USD

View

20 more retailers have this diamond

Prices start from $6,990 NZDSave up to $36,019 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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