Heart|Lab Grown|IGI

20.50ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG843673757

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843673757

Diamond specifications and retailer prices

From $13,065 CAD

£7,362 GBP

As of November 2, 2026

Save $37,286 CAD (74%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $50,352 CAD at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 20.5ct lab-grown heart diamond

This 20.5ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843673757 or 843673757. Listed at 14 retailers as of October 31, 2026, with prices from $13,065 to $50,352, a $37,286 spread on the same certified stone. Taylor and Hart lists it at $50,352. 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

20.50

Carat

Color

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.9°

Pavilion angle38.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG843673757

Dimensions16.79 × 18.97 × 11.17 mm

L/W Ratio1.13

Girdle conditionFaceted

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG843673757

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: Nov 2

Current: $17,365 CAD|Low: $13,062 CAD|High: $50,352 CAD|Avg: $23,252 CAD|+8.1%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Taylor and Hart

November 2, 2026

Retailer 6$13,065 CAD

Retailer 10$14,025 CAD

Retailer 12$14,586 CAD

Retailer 5$15,044 CAD

Retailer 3$15,247 CAD

Retailer 13$16,078 CAD

Retailer 4$16,268 CAD

Retailer 1$17,365 CAD

Retailer 9$17,530 CAD

Retailer 8$19,188 CAD

Retailer 7$30,773 CAD

Retailer 11$36,258 CAD

Retailer 2$46,537 CAD

Taylor and Hart$50,352 CAD

15 data points across 14 retailers

14 retailers$13,065 CAD to $50,352 CAD

Cheapest Retailer

$13,065 CAD

£7,362 GBP

Retailer 2

$14,025 CAD

$10,036 USD

View

B+

Retailer 3

$14,586 CAD

$10,437 USD

View

B+

Retailer 4

$15,044 CAD

$10,765 USD

View

B+

Retailer 5

$15,247 CAD

$10,910 USD

View

B+

Retailer 6

$16,078 CAD

$11,505 USD

View

B+

Retailer 7

$16,268 CAD

$11,641 USD

View

B+

Retailer 8

$17,365 CAD

$12,426 USD

View

B+

Retailer 9

$17,530 CAD

$12,544 USD

View

B+

Retailer 10

$19,188 CAD

£10,811 GBP

View

Retailer 11

$30,773 CAD

A$33,877 AUD

View

Retailer 12

$36,258 CAD

$25,945 USD

View

Retailer 13

$46,537 CAD

$33,300 USD

View

Most Expensive

Taylor and Hart

TGOWP9E · Oct 31

$50,352 CAD

$36,030 USD

View

13 more retailers have this diamond

Prices start from $13,065 CADSave up to $37,286 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.

Similar diamonds

20.50ct Heart

$13,065 CAD