Radiant|Lab Grown|IGI

1.56ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG836620100

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

Certificate IGI LG836620100

Diamond specifications and retailer prices

From $543 USD

As of October 30, 2026

Save $3,182 USD (85%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: $3,725 USD at Rare Carat · As of October 28, 2026

View at Rare Carat

About this 1.56ct lab-grown radiant diamond

This 1.56ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836620100 or 836620100. Listed at 21 retailers as of October 28, 2026, with prices from $543 to $3,725, a $3,182 spread on the same certified stone. Rare Carat lists it at $3,725. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41.1°

Pavilion angle36.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG836620100

Dimensions7.97 × 5.89 × 3.96 mm

L/W Ratio1.35

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 LG836620100

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: $3,725 USD|Low: $543 USD|High: $4,980 USD|Avg: $1,796 USD|-0.5%

Rare Carat

Retailer 2

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November 1, 2026

Retailer 11$543 USD

Retailer 20$608 USD

Retailer 7$655 USD

Retailer 10$673 USD

Retailer 14$715 USD

Retailer 19$810 USD

Retailer 15$1,006 USD

Retailer 3$1,039 USD

Retailer 13$1,048 USD

Retailer 5$1,152 USD

Retailer 18$1,156 USD

Retailer 4$1,508 USD

Retailer 8$1,770 USD

Retailer 6$1,966 USD

Retailer 12$2,184 USD

Retailer 17$2,303 USD

Retailer 9$2,384 USD

Retailer 2$2,809 USD

Retailer 21$3,338 USD

Retailer 16$3,540 USD

Rare Carat$3,725 USD

32 data points across 21 retailers

21 retailers$543 USD to $3,725 USD

Cheapest Retailer

$543 USD

Retailer 2

$608 USD

View

Retailer 3

$655 USD

View

Final sale: no returns

Retailer 4

$673 USD

View

Retailer 5

$715 USD

View

Price last confirmed 16 days ago

Retailer 6

$810 USD

View

Retailer 7

$1,006 USD

€958 EUR

View

Retailer 8

$1,039 USD

View

Retailer 9

$1,048 USD

£825 GBP

View

B+

Retailer 10

$1,152 USD

View

B+

Retailer 11

$1,156 USD

ZAR 18,681 ZAR

View

B+

Retailer 12

$1,508 USD

View

B+

Retailer 13

$1,770 USD

View

B+

Retailer 14

$1,966 USD

£1,548 GBP

View

B+

Retailer 15

$2,184 USD

View

B+

Retailer 16

$2,303 USD

View

B+

Retailer 17

$2,384 USD

SGD 3,222 SGD

View

Retailer 18

$2,809 USD

£2,212 GBP

View

Retailer 19

$3,338 USD

View

Retailer 20

$3,540 USD

View

Most Expensive

Rare Carat

PD-241792 · Oct 28

$3,725 USD

View

20 more retailers have this diamond

Prices start from $543 USDSave up to $3,182 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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1.56ct Radiant

$543 USD