Round|Lab Grown|IGI

3.70ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG840632431

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840632431

Diamond specifications and retailer prices

From $2,693 CAD

$1,928 USD

As of November 1, 2026

Save $14,782 CAD (85%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: $17,475 CAD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 3.7ct lab-grown round diamond

This 3.7ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840632431 or 840632431. Listed at 22 retailers as of October 31, 2026, with prices from $2,693 to $17,475, a $14,782 spread on the same certified stone. Brilliant Earth lists it at $17,475. 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

3.70

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33°

Pavilion angle41°

OriginLab Grown

Grading LabIGI

CertificateIGI LG840632431

Dimensions9.93 × 9.99 × 6.06 mm

L/W Ratio1.01

Girdle conditionFaceted

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 LG840632431

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: $17,475 CAD|Low: $2,693 CAD|High: $19,571 CAD|Avg: $7,033 CAD|-10.7%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

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Retailer 11

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Retailer 22

November 1, 2026

Retailer 6$2,693 CAD

Retailer 21$2,929 CAD

Retailer 22$3,031 CAD

Retailer 4$3,123 CAD

Retailer 12$3,355 CAD

Retailer 16$3,360 CAD

Retailer 14$3,911 CAD

Retailer 13$4,279 CAD

Retailer 20$4,494 CAD

Retailer 7$4,892 CAD

Retailer 18$5,019 CAD

Retailer 3$5,129 CAD

Retailer 8$5,856 CAD

Retailer 17$7,254 CAD

Retailer 19$8,150 CAD

Retailer 2$8,922 CAD

Retailer 9$8,996 CAD

Retailer 10$10,578 CAD

Retailer 5$10,938 CAD

Retailer 11$11,587 CAD

Retailer 15$13,131 CAD

Brilliant Earth$17,475 CAD

19 data points across 22 retailers

22 retailers$2,693 CAD to $17,475 CAD

Cheapest Retailer

$2,693 CAD

$1,928 USD

Retailer 2

$2,929 CAD

$2,097 USD

View

Retailer 3

$3,031 CAD

$2,170 USD

View

Final sale: no returns

Retailer 4

$3,123 CAD

$2,236 USD

View

Retailer 5

$3,355 CAD

$2,402 USD

View

B+

Retailer 6

$3,360 CAD

$2,405 USD

View

Retailer 7

$3,911 CAD

£2,205 GBP

View

Price last confirmed 15 days ago

B+

Retailer 8

$4,279 CAD

£2,412 GBP

View

B+

Retailer 9

$4,494 CAD

$3,217 USD

View

B+

Retailer 10

$4,892 CAD

$3,502 USD

View

B+

Retailer 11

$5,019 CAD

€3,422 EUR

View

B+

Retailer 12

$5,129 CAD

$3,672 USD

View

Retailer 13

$5,856 CAD

$4,192 USD

View

B+

Retailer 14

$7,254 CAD

ZAR 83,889 ZAR

View

B+

Retailer 15

$8,150 CAD

$5,834 USD

View

B+

Retailer 16

$8,922 CAD

£5,029 GBP

View

Retailer 17

$8,996 CAD

$6,440 USD

View

Retailer 18

$10,578 CAD

SGD 10,233 SGD

View

Retailer 19

$10,938 CAD

$7,830 USD

View

Retailer 20

$11,587 CAD

$8,295 USD

View

Retailer 21

$13,131 CAD

$9,400 USD

View

Most Expensive

Brilliant Earth

21826977A · Oct 31

$17,475 CAD

$12,510 USD

View

21 more retailers have this diamond

Prices start from $2,693 CADSave up to $14,782 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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3.70ct Round

$2,693 CAD