Round|Lab Grown|IGI

2.51ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818688390

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818688390

Diamond specifications and retailer prices

From $3,744 CAD

$2,680 USD

As of October 29, 2026

Save $11,396 CAD (75%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $15,140 CAD at Taylor and Hart · As of October 30, 2026

View at Taylor and Hart

About this 2.51ct lab-grown round diamond

This 2.51ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818688390 or 818688390. Listed at 17 retailers as of October 29, 2026, with prices from $3,744 to $15,140, a $11,396 spread on the same certified stone. Taylor and Hart lists it at $15,140. 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

2.51

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.3°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG818688390

Dimensions8.74 × 8.69 × 5.37 mm

L/W Ratio1.01

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 LG818688390

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

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

Price History

Last verified: Oct 29

Current: $5,841 CAD|Low: $2,992 CAD|High: $15,140 CAD|Avg: $7,563 CAD|+2.6%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Taylor and Hart

October 31, 2026

Retailer 7$3,744 CAD

Retailer 2$4,191 CAD

Retailer 11$4,343 CAD

Retailer 3$4,438 CAD

Retailer 1$5,841 CAD

Retailer 6$6,202 CAD

Retailer 8$6,371 CAD

Retailer 10$6,760 CAD

Retailer 9$10,908 CAD

Retailer 4$11,204 CAD

Retailer 5$11,689 CAD

Taylor and Hart$15,140 CAD

41 data points across 12 retailers

17 retailers$3,744 CAD to $15,140 CAD

B+

Cheapest Retailer

$3,744 CAD

$2,680 USD

Retailer 2

$3,744 CAD

$2,680 USD

View

Price last confirmed 36 days ago

Retailer 3

$4,073 CAD

$2,916 USD

View

Price last confirmed 38 days ago

B+

Retailer 4

$4,191 CAD

$3,000 USD

View

Final sale: no returns

Retailer 5

$4,283 CAD

$3,066 USD

View

Price last confirmed 34 days ago

Retailer 6

$4,283 CAD

$3,066 USD

View

Price last confirmed 35 days ago

Retailer 7

$4,343 CAD

$3,109 USD

View

Price last confirmed 18 days ago

B+

Retailer 8

$4,438 CAD

$3,177 USD

View

B+

Retailer 9

$5,841 CAD

£3,293 GBP

View

B+

Retailer 10

$5,969 CAD

$4,273 USD

View

B+

Retailer 11

$6,202 CAD

$4,440 USD

View

B+

Retailer 12

$6,371 CAD

$4,561 USD

View

Retailer 13

$6,760 CAD

$4,839 USD

View

Retailer 14

$10,908 CAD

$7,809 USD

View

Retailer 15

$11,204 CAD

ZAR 129,573 ZAR

View

Retailer 16

$11,689 CAD

£6,589 GBP

View

Most Expensive

Taylor and Hart

RD6C9YJ · Oct 30

$15,140 CAD

$10,838 USD

View

16 more retailers have this diamond

Prices start from $3,744 CADSave up to $11,396 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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B+

2.51ct Round

$3,744 CAD