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 $11,490 CAD

$8,225 USD

As of October 29, 2026

Save $27,540 CAD (71%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $39,029 CAD 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 $11,490 to $39,029, a $27,540 spread on the same certified stone. Brilliant Earth lists it at $39,029. 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

Color

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: $39,029 CAD|Low: $9,625 CAD|High: $71,689 CAD|Avg: $26,740 CAD|-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$9,625 CAD

Retailer 14$11,490 CAD

Retailer 3$11,949 CAD

Retailer 17$12,005 CAD

Retailer 15$14,630 CAD

Retailer 10$14,633 CAD

Retailer 13$14,824 CAD

Retailer 4$16,543 CAD

Retailer 2$23,378 CAD

Retailer 7$23,658 CAD

Retailer 16$23,801 CAD

Retailer 9$28,250 CAD

Retailer 11$35,909 CAD

Retailer 5$38,439 CAD

Brilliant Earth$39,029 CAD

Retailer 8$57,134 CAD

Retailer 6$71,689 CAD

27 data points across 17 retailers

14 retailers$11,490 CAD to $39,029 CAD

Retailer 1

$9,625 CAD

$6,890 USD

Price last confirmed 14 days ago

B+

Retailer 2

$11,490 CAD

$8,225 USD

View

B+

Retailer 3

$11,949 CAD

$8,554 USD

View

B+

Retailer 4

$12,005 CAD

$8,594 USD

View

B+

Retailer 5

$14,630 CAD

$10,473 USD

View

B+

Retailer 6

$14,633 CAD

$10,475 USD

View

B+

Retailer 7

$14,824 CAD

$10,612 USD

View

Retailer 8

$16,543 CAD

$11,843 USD

View

Retailer 9

$23,378 CAD

€15,939 EUR

View

Retailer 10

$23,801 CAD

A$26,213 AUD

View

Price last confirmed 31 days ago

Retailer 11

$35,909 CAD

$25,706 USD

View

Retailer 12

$38,439 CAD

$27,517 USD

View

Most Expensive

Brilliant Earth

16301247A · Oct 31

$39,029 CAD

$27,940 USD

View

12 more retailers have this diamond

Prices start from $11,490 CADSave up to $27,540 CAD

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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12.05ct Round

$11,490 CAD