Oval|Lab Grown|IGI

11.54ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG569325826

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG569325826

Diamond specifications and retailer prices

From €1,639 EUR

£1,448 GBP

As of November 2, 2026

Save €6,511 EUR (80%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: €8,151 EUR at Adiamor · As of November 2, 2026

View at Adiamor

About this 11.54ct lab-grown oval diamond

This 11.54ct lab-grown oval 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 LG569325826 or 569325826. Listed at 12 retailers as of November 2, 2026, with prices from €1,639 to €8,151, a €6,511 spread on the same certified stone. Adiamor lists it at €8,151. 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

Colour

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.3°

Pavilion angle41.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG569325826

Dimensions18.59 × 12.85 × 8.00 mm

L/W Ratio1.45

Girdle conditionFaceted

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 LG569325826

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: Nov 2

Current: €8,151 EUR|Low: €1,639 EUR|High: €16,155 EUR|Avg: €4,999 EUR

Adiamor

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 2, 2026

Retailer 2€1,639 EUR

Retailer 13€1,760 EUR

Retailer 5€1,915 EUR

Retailer 15€2,042 EUR

Retailer 14€2,189 EUR

Retailer 3€2,408 EUR

Retailer 16€2,495 EUR

Retailer 4€2,806 EUR

Retailer 9€2,808 EUR

Retailer 11€3,195 EUR

Retailer 12€3,352 EUR

Retailer 6€4,064 EUR

Retailer 10€5,225 EUR

Adiamor€8,151 EUR

Retailer 7€14,670 EUR

Retailer 8€16,155 EUR

6 data points across 16 retailers

12 retailers€1,639 EUR to €8,151 EUR

Cheapest Retailer

€1,639 EUR

£1,448 GBP

Retailer 2

€1,760 EUR

$1,974 USD

View

Retailer 3

€1,915 EUR

$2,148 USD

View

Retailer 4

€2,042 EUR

$2,290 USD

View

Retailer 5

€2,189 EUR

$2,455 USD

View

Retailer 6

€2,408 EUR

HK$21,100 HKD

View

Retailer 7

€2,495 EUR

$2,798 USD

View

B+

Retailer 8

€2,806 EUR

$3,147 USD

View

B+

Retailer 9

€2,808 EUR

£2,480 GBP

View

B+

Retailer 10

€3,195 EUR

$3,584 USD

View

B+

Retailer 11

€3,352 EUR

$3,760 USD

View

Most Expensive

Adiamor

D-82828531 · Nov 2

€8,151 EUR

$9,142 USD

View

11 more retailers have this diamond

Prices start from €1,639 EURSave up to €6,511 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 Oval

€1,639 EUR