Round|Lab Grown|IGI

13.15ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG727550593

Shape and cutting style on the report: Round brilliant

Certificate IGI LG727550593

Diamond specifications and retailer prices

From $11,444 NZD

£5,079 GBP

As of November 1, 2026

Save $44,109 NZD (79%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: $55,553 NZD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 13.15ct lab-grown round diamond

This 13.15ct lab-grown round 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 LG727550593 or 727550593. Listed at 24 retailers as of October 31, 2026, with prices from $11,444 to $55,553, a $44,109 spread on the same certified stone. Brilliant Earth lists it at $55,553. 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

13.15

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.2°

Pavilion angle41.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG727550593

Dimensions15.16 × 15.21 × 9.27 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizePointed

Cert comments

HEARTS & ARROWS 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 LG727550593

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: $55,553 NZD|Low: $11,440 NZD|High: $55,553 NZD|Avg: $23,185 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

Retailer 16

Retailer 17

November 1, 2026

Retailer 10$11,444 NZD

Retailer 5$12,283 NZD

Retailer 8$12,775 NZD

Retailer 9$14,249 NZD

Retailer 15$14,257 NZD

Retailer 3$15,259 NZD

Retailer 4$16,379 NZD

Retailer 12$17,845 NZD

Retailer 17$21,088 NZD

Retailer 16$22,057 NZD

Retailer 6$22,299 NZD

Retailer 14$23,573 NZD

Retailer 11$25,309 NZD

Retailer 13$26,002 NZD

Retailer 2$27,203 NZD

Retailer 7$48,682 NZD

Brilliant Earth$55,553 NZD

32 data points across 17 retailers

24 retailers$11,444 NZD to $55,553 NZD

Cheapest Retailer

$11,444 NZD

£5,079 GBP

B+

Retailer 2

$12,283 NZD

$6,923 USD

View

B+

Retailer 3

$12,775 NZD

$7,200 USD

View

B+

Retailer 4

$13,316 NZD

$7,505 USD

View

B+

Retailer 5

$13,756 NZD

$7,753 USD

View

Final sale: no returns

B+

Retailer 6

$14,249 NZD

$8,031 USD

View

Retailer 7

$14,249 NZD

$8,031 USD

View

Price last confirmed 19 days ago

B+

Retailer 8

$14,257 NZD

$8,035 USD

View

Retailer 9

$15,259 NZD

$8,600 USD

View

Price last confirmed 14 days ago

B+

Retailer 10

$16,379 NZD

$9,231 USD

View

B+

Retailer 11

$16,916 NZD

$9,534 USD

View

B+

Retailer 12

$17,845 NZD

£7,919 GBP

View

Retailer 13

$21,088 NZD

$11,885 USD

View

B+

Retailer 14

$22,057 NZD

ZAR 200,831 ZAR

View

Retailer 15

$22,299 NZD

$12,568 USD

View

Retailer 16

$23,573 NZD

€12,653 EUR

View

Retailer 17

$25,309 NZD

A$21,945 AUD

View

Retailer 18

$26,002 NZD

$14,655 USD

View

Retailer 19

$27,203 NZD

A$23,587 AUD

View

Retailer 20

$34,842 NZD

$19,637 USD

View

Retailer 21

$39,662 NZD

$22,354 USD

View

Retailer 22

$48,682 NZD

$27,437 USD

View

Retailer 23

$54,579 NZD

$30,761 USD

View

Most Expensive

Brilliant Earth

15446636A · Oct 31

$55,553 NZD

$31,310 USD

View

23 more retailers have this diamond

Prices start from $11,444 NZDSave up to $44,109 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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13.15ct Round

$11,444 NZD