Round|Lab Grown|GIA

12.05ct E VS2 Round Lab Grown Diamond

EX • E/VS2 • GIA 5231021488

Certificate GIA 5231021488

Diamond specifications and retailer prices

From $14,594 NZD

$8,225 USD

As of October 29, 2026

Save $34,980 NZD (71%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $49,574 NZD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 12.05ct lab-grown round diamond

This 12.05ct 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 GIA 5231021488. Listed at 14 retailers as of October 29, 2026, with prices from $14,594 to $49,574, a $34,980 spread on the same certified stone. Brilliant Earth lists it at $49,574. 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

12.05

Carat

Colour

VS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34°

Pavilion angle41°

OriginLab Grown

Grading LabGIA

CertificateGIA 5231021488

Dimensions14.80 × 14.78 × 9.00 mm

L/W Ratio1.00

Star length45%

Lower girdle75%

View GIA Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 5231021488

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29

Current: $49,574 NZD|Low: $12,225 NZD|High: $91,057 NZD|Avg: $33,965 NZD|-3.5%

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

October 31, 2026

Retailer 12$12,225 NZD

Retailer 14$14,594 NZD

Retailer 3$15,177 NZD

Retailer 17$15,248 NZD

Retailer 15$18,582 NZD

Retailer 10$18,586 NZD

Retailer 13$18,829 NZD

Retailer 4$21,013 NZD

Retailer 2$29,695 NZD

Retailer 7$30,050 NZD

Retailer 16$30,231 NZD

Retailer 9$35,883 NZD

Retailer 11$45,610 NZD

Retailer 5$48,824 NZD

Brilliant Earth$49,574 NZD

Retailer 8$72,570 NZD

Retailer 6$91,057 NZD

27 data points across 17 retailers

14 retailers$14,594 NZD to $49,574 NZD

Retailer 1

$12,225 NZD

$6,890 USD

Price last confirmed 14 days ago

B+

Retailer 2

$14,594 NZD

$8,225 USD

View

B+

Retailer 3

$15,177 NZD

$8,554 USD

View

B+

Retailer 4

$15,248 NZD

$8,594 USD

View

B+

Retailer 5

$18,582 NZD

$10,473 USD

View

B+

Retailer 6

$18,586 NZD

$10,475 USD

View

B+

Retailer 7

$18,829 NZD

$10,612 USD

View

Retailer 8

$21,013 NZD

$11,843 USD

View

Retailer 9

$29,695 NZD

€15,939 EUR

View

Retailer 10

$30,231 NZD

A$26,213 AUD

View

Price last confirmed 31 days ago

Retailer 11

$45,610 NZD

$25,706 USD

View

Retailer 12

$48,824 NZD

$27,517 USD

View

Most Expensive

Brilliant Earth

16301247A · Oct 31

$49,574 NZD

$27,940 USD

View

12 more retailers have this diamond

Prices start from $14,594 NZDSave up to $34,980 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

B+

12.05ct Round

$14,594 NZD