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 $5,507 CAD

HK$30,800 HKD

As of October 31, 2026

Save $31,832 CAD (85%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $37,339 CAD 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 $5,507 to $37,339, a $31,832 spread on the same certified stone. Brilliant Earth lists it at $37,339. 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

Color

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: $37,339 CAD|Low: $4,562 CAD|High: $37,339 CAD|Avg: $10,782 CAD

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$4,562 CAD

Retailer 4$4,636 CAD

Retailer 7$4,864 CAD

Retailer 12$5,507 CAD

Retailer 11$6,079 CAD

Retailer 13$6,160 CAD

Retailer 14$6,425 CAD

Retailer 10$7,177 CAD

Retailer 16$7,465 CAD

Retailer 3$8,281 CAD

Retailer 6$8,724 CAD

Retailer 5$12,064 CAD

Retailer 15$14,145 CAD

Retailer 2$16,120 CAD

Retailer 9$23,543 CAD

Brilliant Earth$37,339 CAD

34 data points across 16 retailers

17 retailers$5,507 CAD to $37,339 CAD

Retailer 1

$4,193 CAD

$3,002 USD

Price last confirmed 21 days ago

Retailer 2

$4,562 CAD

$3,266 USD

View

Price last confirmed 18 days ago

Retailer 3

$4,864 CAD

$3,482 USD

View

Price last confirmed 15 days ago

Retailer 4

$5,507 CAD

HK$30,800 HKD

View

Retailer 5

$6,078 CAD

$4,351 USD

View

Price last confirmed 22 days ago

Retailer 6

$6,079 CAD

$4,352 USD

View

Retailer 7

$6,160 CAD

$4,410 USD

View

Retailer 8

$6,425 CAD

£3,622 GBP

View

Retailer 9

$7,177 CAD

€4,893 EUR

View

Retailer 10

$7,465 CAD

$5,344 USD

View

Retailer 11

$8,281 CAD

£4,668 GBP

View

Retailer 12

$8,724 CAD

$6,245 USD

View

Price last confirmed 14 days ago

B+

Retailer 13

$12,064 CAD

$8,636 USD

View

B+

Retailer 14

$14,145 CAD

$10,126 USD

View

Retailer 15

$16,120 CAD

SGD 15,594 SGD

View

Retailer 16

$23,543 CAD

$16,854 USD

View

Most Expensive

Brilliant Earth

18572424A · Oct 31

$37,339 CAD

$26,730 USD

View

16 more retailers have this diamond

Prices start from $5,507 CADSave up to $31,832 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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12.55ct Round

$5,507 CAD