Radiant|Lab Grown|IGI

1.83ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG542232740

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

Certificate IGI LG542232740

Diamond specifications and retailer prices

From $193 USD

As of October 27, 2026

Save $1,657 USD (90%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: $1,850 USD at Do Amore Diamonds · As of October 29, 2026

View at Do Amore Diamonds

About this 1.83ct lab-grown radiant diamond

This 1.83ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG542232740 or 542232740. Listed at 12 retailers as of October 27, 2026, with prices from $193 to $1,850, a $1,657 spread on the same certified stone. Do Amore Diamonds lists it at $1,850. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.83

Carat

Color

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle46.5°

Pavilion angle30.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG542232740

Dimensions8.20 × 5.68 × 4.07 mm

L/W Ratio1.44

Culet sizeNone

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG542232740

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: Oct 27

Current: $1,850 USD|Low: $193 USD|High: $1,930 USD|Avg: $758 USD|-4.1%

Do Amore Diamonds

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

Retailer 15

October 29, 2026

Retailer 11$193 USD

Retailer 9$224 USD

Retailer 3$225 USD

Retailer 8$340 USD

Retailer 13$417 USD

Retailer 4$520 USD

Retailer 7$636 USD

Retailer 5$744 USD

Retailer 10$772 USD

Retailer 14$830 USD

Retailer 12$850 USD

Retailer 2$1,064 USD

Retailer 6$1,151 USD

Retailer 15$1,350 USD

Do Amore Diamonds$1,850 USD

23 data points across 15 retailers

12 retailers$193 USD to $1,850 USD

Cheapest Retailer

$193 USD

Retailer 2

$224 USD

View

Retailer 3

$225 USD

View

Final sale: no returns

Retailer 4

$340 USD

£268 GBP

View

B+

Retailer 5

$417 USD

View

Retailer 6

$772 USD

View

Price last confirmed 7 days ago

B+

Retailer 7

$830 USD

View

B+

Retailer 8

$850 USD

View

B+

Retailer 9

$1,064 USD

£838 GBP

View

Retailer 10

$1,161 USD

£914 GBP

View

Retailer 11

$1,350 USD

View

Most Expensive

Do Amore Diamonds

27-201C1C67F · Oct 29

$1,850 USD

View

11 more retailers have this diamond

Prices start from $193 USDSave up to $1,657 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.

Similar diamonds

1.83ct Radiant

$193 USD