Round|Lab Grown|IGI

5.51ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG768629057

Shape and cutting style on the report: Round brilliant

Certificate IGI LG768629057

Diamond specifications and retailer prices

From $10,721 CAD

$7,675 USD

As of November 1, 2026

Save $32,021 CAD (75%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $42,742 CAD at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 5.51ct lab-grown round diamond

This 5.51ct lab-grown round sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768629057 or 768629057. Listed at 14 retailers as of October 31, 2026, with prices from $10,721 to $42,742, a $32,021 spread on the same certified stone. Taylor and Hart lists it at $42,742. 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

5.51

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.5°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG768629057

Dimensions11.36 × 11.42 × 6.95 mm

L/W Ratio1.01

Girdle conditionFaceted

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG768629057

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 1

Current: $15,905 CAD|Low: $10,721 CAD|High: $51,001 CAD|Avg: $24,140 CAD|+0.4%

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 1, 2026

Retailer 12$10,721 CAD

Retailer 3$12,277 CAD

Retailer 2$13,860 CAD

Retailer 13$14,501 CAD

Retailer 1$15,905 CAD

Retailer 11$21,963 CAD

Retailer 6$22,142 CAD

Retailer 5$22,997 CAD

Retailer 9$24,738 CAD

Retailer 8$26,930 CAD

Retailer 7$32,045 CAD

Retailer 4$36,406 CAD

Retailer 10$40,017 CAD

Taylor and Hart$42,742 CAD

42 data points across 14 retailers

14 retailers$10,721 CAD to $42,742 CAD

Cheapest Retailer

$10,721 CAD

$7,675 USD

Retailer 2

$12,277 CAD

$8,789 USD

View

Retailer 3

$12,710 CAD

$9,099 USD

View

Price last confirmed 76 days ago

Retailer 4

$13,860 CAD

$9,922 USD

View

Retailer 5

$14,501 CAD

HK$81,100 HKD

View

Retailer 6

$15,905 CAD

£8,965 GBP

View

Retailer 7

$21,963 CAD

$15,723 USD

View

Retailer 8

$22,142 CAD

€15,096 EUR

View

B+

Retailer 9

$24,738 CAD

£13,944 GBP

View

B+

Retailer 10

$26,930 CAD

ZAR 311,441 ZAR

View

B+

Retailer 11

$32,045 CAD

$22,940 USD

View

B+

Retailer 12

$36,406 CAD

$26,062 USD

View

Retailer 13

$40,017 CAD

$28,647 USD

View

Most Expensive

Taylor and Hart

BCB6Q9W · Oct 31

$42,742 CAD

$30,598 USD

View

13 more retailers have this diamond

Prices start from $10,721 CADSave up to $32,021 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

5.51ct Round

$10,721 CAD