Radiant|Lab Grown|IGI

2.64ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG570357402

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

Certificate IGI LG570357402

Diamond specifications and retailer prices

From €309 EUR

$347 USD

As of October 30, 2026

Save €1,679 EUR (84%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: €1,988 EUR at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 2.64ct lab-grown radiant diamond

This 2.64ct lab-grown radiant sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG570357402 or 570357402. Listed at 12 retailers as of October 30, 2026, with prices from €309 to €1,988, a €1,679 spread on the same certified stone. Brilliant Earth lists it at €1,988. 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

2.64

Carat

Color

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle40.1°

Pavilion angle36.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG570357402

Dimensions9.81 × 6.80 × 4.65 mm

L/W Ratio1.44

Culet sizePointed

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 LG570357402

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 30

Current: €1,988 EUR|Low: €297 EUR|High: €3,361 EUR|Avg: €1,196 EUR|-40.8%

Brilliant Earth

Retailer 2

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Retailer 6

Retailer 7

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Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

Retailer 17

October 31, 2026

Retailer 13€309 EUR

Retailer 17€347 EUR

Retailer 16€358 EUR

Retailer 4€514 EUR

Retailer 2€594 EUR

Retailer 15€618 EUR

Retailer 10€620 EUR

Retailer 6€892 EUR

Retailer 12€1,125 EUR

Retailer 7€1,225 EUR

Retailer 14€1,233 EUR

Retailer 8€1,237 EUR

Retailer 3€1,483 EUR

Retailer 11€1,507 EUR

Retailer 5€1,723 EUR

Brilliant Earth€1,988 EUR

Retailer 9€2,686 EUR

20 data points across 17 retailers

12 retailers€309 EUR to €1,988 EUR

Cheapest Retailer

€309 EUR

$347 USD

Retailer 2

€347 EUR

$389 USD

View

Final sale: no returns

Retailer 3

€358 EUR

$402 USD

View

Retailer 4

€514 EUR

HK$4,500 HKD

View

Retailer 5

€594 EUR

View

B+

Retailer 6

€618 EUR

$693 USD

View

Retailer 7

€620 EUR

$695 USD

View

B+

Retailer 8

€1,125 EUR

$1,262 USD

View

B+

Retailer 9

€1,233 EUR

$1,383 USD

View

B+

Retailer 10

€1,483 EUR

SGD 2,247 SGD

View

B+

Retailer 11

€1,507 EUR

£1,331 GBP

View

Most Expensive

Brilliant Earth

15433373A · Oct 30

€1,988 EUR

$2,230 USD

View

11 more retailers have this diamond

Prices start from €309 EURSave up to €1,679 EUR

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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