Round|Lab Grown|IGI

11.54ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG581343778

Shape and cutting style on the report: Round brilliant

Certificate IGI LG581343778

Diamond specifications and retailer prices

From €1,562 EUR

$1,745 USD

As of October 26, 2026

Save €9,188 EUR (85%) vs most expensive(unlock to see where)

11 retailers carry this diamond

Most expensive: €10,750 EUR at Do Amore Diamonds · As of October 29, 2026

View at Do Amore Diamonds

About this 11.54ct lab-grown round diamond

This 11.54ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG581343778 or 581343778. Listed at 11 retailers as of October 26, 2026, with prices from €1,562 to €10,750, a €9,188 spread on the same certified stone. Do Amore Diamonds lists it at €10,750. 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

11.54

Carat

Color

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.8°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG581343778

Dimensions14.63 × 14.68 × 8.81 mm

L/W Ratio1.00

Girdle conditionFaceted

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 LG581343778

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 26

Current: €10,750 EUR|Low: €1,562 EUR|High: €20,621 EUR|Avg: €7,097 EUR|-31.5%

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

Retailer 16

November 1, 2026

Retailer 12€1,562 EUR

Retailer 10€1,611 EUR

Retailer 16€2,483 EUR

Retailer 3€2,793 EUR

Retailer 11€2,860 EUR

Retailer 9€3,400 EUR

Retailer 7€3,873 EUR

Retailer 5€4,063 EUR

Retailer 15€4,689 EUR

Retailer 2€4,880 EUR

Retailer 4€5,044 EUR

Retailer 13€6,346 EUR

Retailer 14€9,586 EUR

Do Amore Diamonds€10,750 EUR

Retailer 6€14,160 EUR

Retailer 8€20,621 EUR

12 data points across 16 retailers

11 retailers€1,562 EUR to €10,750 EUR

Cheapest Retailer

€1,562 EUR

$1,745 USD

Retailer 2

€1,611 EUR

£1,418 GBP

View

Retailer 3

€2,483 EUR

$2,774 USD

View

Price last confirmed 12 days ago

Retailer 4

€2,793 EUR

$3,120 USD

View

Price last confirmed 13 days ago

B+

Retailer 5

€2,860 EUR

$3,195 USD

View

B+

Retailer 6

€3,400 EUR

$3,798 USD

View

Retailer 7

€4,689 EUR

$5,239 USD

View

Price last confirmed 10 days ago

Retailer 8

€4,880 EUR

£4,293 GBP

View

Retailer 9

€6,346 EUR

$7,090 USD

View

Retailer 10

€9,586 EUR

$10,709 USD

View

Most Expensive

Do Amore Diamonds

27-148F677EE · Oct 29

€10,750 EUR

$12,010 USD

View

10 more retailers have this diamond

Prices start from €1,562 EURSave up to €9,188 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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11.54ct Round

€1,562 EUR