Round|Lab Grown|IGI

12.50ct E VVS2 Round Lab Grown Diamond

EX • E/VVS2 • IGI LG687505151

Shape and cutting style on the report: Round brilliant

Certificate IGI LG687505151

Diamond specifications and retailer prices

From $10,797 NZD

$6,085 USD

As of October 31, 2026

Save $49,778 NZD (82%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $60,575 NZD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 12.5ct lab-grown round diamond

This 12.5ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG687505151 or 687505151. Listed at 18 retailers as of October 31, 2026, with prices from $10,797 to $60,575, a $49,778 spread on the same certified stone. Brilliant Earth lists it at $60,575. 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

12.50

Carat

Colour

VVS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.5°

Pavilion angle40.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG687505151

Dimensions14.76 × 14.62 × 9.18 mm

L/W Ratio1.01

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 LG687505151

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: $60,575 NZD|Low: $10,502 NZD|High: $62,455 NZD|Avg: $27,135 NZD|-3.0%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

November 1, 2026

Retailer 6$10,797 NZD

Retailer 2$13,881 NZD

Retailer 5$14,611 NZD

Retailer 3$17,297 NZD

Retailer 11$17,392 NZD

Retailer 7$18,022 NZD

Retailer 4$21,486 NZD

Retailer 10$30,456 NZD

Retailer 9$37,677 NZD

Retailer 8$58,770 NZD

Brilliant Earth$60,575 NZD

42 data points across 11 retailers

18 retailers$10,797 NZD to $60,575 NZD

Retailer 1

$9,003 NZD

$5,074 USD

Price last confirmed 30 days ago

Retailer 2

$9,828 NZD

$5,539 USD

View

Price last confirmed 29 days ago

Retailer 3

$10,797 NZD

$6,085 USD

View

Final sale: no returns

Retailer 4

$10,878 NZD

$6,131 USD

View

Price last confirmed 29 days ago

Retailer 5

$13,013 NZD

HK$57,300 HKD

View

B+

Retailer 6

$13,881 NZD

£6,160 GBP

View

Retailer 7

$14,524 NZD

$8,186 USD

View

Price last confirmed 52 days ago

B+

Retailer 8

$14,611 NZD

$8,235 USD

View

B+

Retailer 9

$17,392 NZD

$9,802 USD

View

B+

Retailer 10

$18,022 NZD

$10,157 USD

View

B+

Retailer 11

$19,897 NZD

$11,214 USD

View

Retailer 12

$21,486 NZD

€11,533 EUR

View

Retailer 13

$30,253 NZD

$17,051 USD

View

Retailer 14

$30,456 NZD

$17,165 USD

View

Retailer 15

$37,677 NZD

SGD 28,696 SGD

View

Retailer 16

$38,770 NZD

$21,851 USD

View

Retailer 17

$59,970 NZD

$33,799 USD

View

Most Expensive

Brilliant Earth

13745714A · Oct 31

$60,575 NZD

$34,140 USD

View

17 more retailers have this diamond

Prices start from $10,797 NZDSave up to $49,778 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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12.50ct Round

$10,797 NZD