Cushion|Lab Grown|IGI

6.09ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG830640303

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG830640303

Diamond specifications and retailer prices

From €1,048 EUR

$1,175 USD

As of November 2, 2026

Save €6,112 EUR (85%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: €7,159 EUR at Do Amore Diamonds · As of November 2, 2026

View at Do Amore Diamonds

About this 6.09ct lab-grown cushion diamond

This 6.09ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG830640303 or 830640303. Listed at 12 retailers as of November 2, 2026, with prices from €1,048 to €7,159, a €6,112 spread on the same certified stone. Do Amore Diamonds lists it at €7,159. 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

6.09

Carat

Color

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34°

Pavilion angle38.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG830640303

Dimensions12.88 × 9.51 × 6.44 mm

L/W Ratio1.35

Girdle conditionFaceted

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG830640303

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 2

Current: €7,159 EUR|Low: €1,048 EUR|High: €8,853 EUR|Avg: €3,607 EUR|-19.1%

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

November 2, 2026

Retailer 8€1,048 EUR

Retailer 10€1,311 EUR

Retailer 6€1,561 EUR

Retailer 5€1,808 EUR

Retailer 11€1,877 EUR

Retailer 2€2,045 EUR

Retailer 12€2,949 EUR

Retailer 3€3,410 EUR

Retailer 7€3,521 EUR

Retailer 13€3,625 EUR

Retailer 4€4,208 EUR

Retailer 9€7,000 EUR

Do Amore Diamonds€7,159 EUR

31 data points across 13 retailers

12 retailers€1,048 EUR to €7,159 EUR

Cheapest Retailer

€1,048 EUR

$1,175 USD

B+

Retailer 2

€1,311 EUR

$1,470 USD

View

B+

Retailer 3

€1,561 EUR

View

B+

Retailer 4

€1,877 EUR

$2,105 USD

View

B+

Retailer 5

€2,045 EUR

$2,294 USD

View

Retailer 6

€2,949 EUR

$3,308 USD

View

Retailer 7

€3,410 EUR

$3,825 USD

View

Price last confirmed 14 days ago

Retailer 8

€3,521 EUR

£3,110 GBP

View

Retailer 9

€3,625 EUR

SGD 5,494 SGD

View

Retailer 10

€4,208 EUR

$4,720 USD

View

Retailer 11

€7,000 EUR

$7,851 USD

View

Most Expensive

Do Amore Diamonds

27-EA09AC1F1 · Nov 2

€7,159 EUR

$8,030 USD

View

11 more retailers have this diamond

Prices start from €1,048 EURSave up to €6,112 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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6.09ct Cushion

€1,048 EUR