Round|Lab Grown|IGI

12.55ct E VS2 Round Lab Grown Diamond

EX • E/VS2 • IGI LG788637051

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788637051

Diamond specifications and retailer prices

From $6,995 NZD

HK$30,800 HKD

As of October 31, 2026

Save $40,432 NZD (85%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $47,427 NZD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 12.55ct lab-grown round diamond

This 12.55ct lab-grown round 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 LG788637051 or 788637051. Listed at 17 retailers as of October 31, 2026, with prices from $6,995 to $47,427, a $40,432 spread on the same certified stone. Brilliant Earth lists it at $47,427. 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

12.55

Carat

Colour

VS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.4°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG788637051

Dimensions15.09 × 15.16 × 8.91 mm

L/W Ratio1.00

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 LG788637051

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 31

Current: $47,427 NZD|Low: $5,795 NZD|High: $47,427 NZD|Avg: $13,695 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

November 1, 2026

Retailer 8$5,795 NZD

Retailer 4$5,889 NZD

Retailer 7$6,178 NZD

Retailer 12$6,995 NZD

Retailer 11$7,722 NZD

Retailer 13$7,825 NZD

Retailer 14$8,161 NZD

Retailer 10$9,116 NZD

Retailer 16$9,482 NZD

Retailer 3$10,519 NZD

Retailer 6$11,081 NZD

Retailer 5$15,323 NZD

Retailer 15$17,967 NZD

Retailer 2$20,475 NZD

Retailer 9$29,904 NZD

Brilliant Earth$47,427 NZD

34 data points across 16 retailers

17 retailers$6,995 NZD to $47,427 NZD

Retailer 1

$5,326 NZD

$3,002 USD

Price last confirmed 21 days ago

Retailer 2

$5,795 NZD

$3,266 USD

View

Price last confirmed 18 days ago

Retailer 3

$6,178 NZD

$3,482 USD

View

Price last confirmed 15 days ago

Retailer 4

$6,995 NZD

HK$30,800 HKD

View

Retailer 5

$7,720 NZD

$4,351 USD

View

Price last confirmed 22 days ago

Retailer 6

$7,722 NZD

$4,352 USD

View

Retailer 7

$7,825 NZD

$4,410 USD

View

Retailer 8

$8,161 NZD

£3,622 GBP

View

Retailer 9

$9,116 NZD

€4,893 EUR

View

Retailer 10

$9,482 NZD

$5,344 USD

View

Retailer 11

$10,519 NZD

£4,668 GBP

View

Retailer 12

$11,081 NZD

$6,245 USD

View

Price last confirmed 14 days ago

B+

Retailer 13

$15,323 NZD

$8,636 USD

View

B+

Retailer 14

$17,967 NZD

$10,126 USD

View

Retailer 15

$20,475 NZD

SGD 15,594 SGD

View

Retailer 16

$29,904 NZD

$16,854 USD

View

Most Expensive

Brilliant Earth

18572424A · Oct 31

$47,427 NZD

$26,730 USD

View

16 more retailers have this diamond

Prices start from $6,995 NZDSave up to $40,432 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.

Similar diamonds

12.55ct Round

$6,995 NZD