Radiant|Lab Grown|IGI

1.36ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG788629964

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG788629964

Diamond specifications and retailer prices

From $357 USD

£281 GBP

As of October 30, 2026

Save $3,663 USD (91%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: $4,020 USD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.36ct lab-grown radiant diamond

This 1.36ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788629964 or 788629964. Listed at 13 retailers as of October 29, 2026, with prices from $357 to $4,020, a $3,663 spread on the same certified stone. Brilliant Earth lists it at $4,020. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.36

Carat

Color

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle40.8°

Pavilion angle34.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG788629964

Dimensions7.96 × 5.56 × 3.51 mm

L/W Ratio1.43

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG788629964

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: Oct 30

Current: $4,020 USD|Low: $356 USD|High: $4,140 USD|Avg: $1,666 USD|-2.9%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

October 30, 2026

Retailer 2$357 USD

Retailer 8$490 USD

Retailer 11$524 USD

Retailer 10$961 USD

Retailer 12$1,149 USD

Retailer 6$1,175 USD

Retailer 14$1,178 USD

Retailer 5$1,234 USD

Retailer 7$1,391 USD

Retailer 3$1,816 USD

Retailer 9$2,240 USD

Retailer 4$2,380 USD

Retailer 13$3,045 USD

Brilliant Earth$4,020 USD

31 data points across 14 retailers

13 retailers$357 USD to $4,020 USD

Retailer 1

$337 USD

Price last confirmed 28 days ago

Retailer 2

$357 USD

£281 GBP

View

Retailer 3

$407 USD

View

Price last confirmed 33 days ago

Retailer 4

$490 USD

View

Retailer 5

$524 USD

View

B+

Retailer 6

$961 USD

View

Retailer 7

$1,054 USD

View

Price last confirmed 25 days ago

B+

Retailer 8

$1,149 USD

View

B+

Retailer 9

$1,391 USD

£1,095 GBP

View

Retailer 10

$1,544 USD

View

Price last confirmed 29 days ago

Retailer 11

$2,240 USD

View

Retailer 12

$3,045 USD

View

Price last confirmed 9 days ago

Most Expensive

Brilliant Earth

21413436Y · Oct 29

$4,020 USD

View

12 more retailers have this diamond

Prices start from $357 USDSave up to $3,663 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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