Round|Lab Grown|IGI

3.81ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG596309813

Shape and cutting style on the report: Round brilliant

Certificate IGI LG596309813

Diamond specifications and retailer prices

From $1,641 USD

As of November 4, 2026

Save $4,344 USD (73%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $5,985 USD at Taylor and Hart · As of November 4, 2026

View at Taylor and Hart

About this 3.81ct lab-grown round diamond

This 3.81ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG596309813 or 596309813. Listed at 16 retailers as of November 4, 2026, with prices from $1,641 to $5,985, a $4,344 spread on the same certified stone. Taylor and Hart lists it at $5,985. 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

3.81

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.5°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG596309813

Dimensions10.21 × 10.13 × 6.03 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 LG596309813

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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

Price History

Last verified: Nov 4

Current: $2,367 USD|Low: $1,641 USD|High: $34,122 USD|Avg: $5,532 USD|-1.5%

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

November 5, 2026

Retailer 3$1,641 USD

Retailer 4$1,870 USD

Retailer 6$2,018 USD

Retailer 1$2,367 USD

Retailer 10$2,430 USD

Retailer 2$3,085 USD

Retailer 11$3,838 USD

Retailer 8$3,951 USD

Retailer 5$4,582 USD

Retailer 9$4,855 USD

Retailer 7$5,232 USD

Taylor and Hart$5,985 USD

30 data points across 12 retailers

16 retailers$1,641 USD to $5,985 USD

Retailer 1

$1,466 USD

Price last confirmed 44 days ago

Retailer 2

$1,641 USD

View

Final sale: no returns

Retailer 3

$1,677 USD

View

Price last confirmed 44 days ago

Retailer 4

$1,870 USD

View

Retailer 5

$2,018 USD

View

B+

Retailer 6

$2,367 USD

View

B+

Retailer 7

$2,430 USD

View

B+

Retailer 8

$3,085 USD

View

Retailer 9

$3,187 USD

View

Price last confirmed 45 days ago

B+

Retailer 10

$3,218 USD

View

B+

Retailer 11

$3,838 USD

View

B+

Retailer 12

$3,951 USD

View

Retailer 13

$4,582 USD

View

Retailer 14

$4,855 USD

View

Retailer 15

$5,232 USD

View

Most Expensive

Taylor and Hart

6EHN9BJ · Nov 4

$5,985 USD

View

15 more retailers have this diamond

Prices start from $1,641 USDSave up to $4,344 USD

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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3.81ct Round

$1,641 USD