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Round|Lab Grown|IGI

3.11ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG631466058

Shape and cutting style on the report: Round brilliant

Certificate IGI LG631466058

Diamond specifications and retailer prices

From €709 EUR
As of November 3, 2026
Save €5,814 EUR (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €6,932 EUR at Brilliant Earth · As of October 14, 2026
View at Brilliant Earth

About this 3.11ct lab-grown round diamond

This 3.11ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG631466058 or 631466058. Listed at 27 retailers as of November 3, 2026, with a 820% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.11
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631466058
Dimensions9.51 × 9.45 × 5.62 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.51 mm9.45 mm3.11 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631466058
Side View
Table 58.0%Crown 33.2°Girdle: MediumPavilion 40.2°Culet: NoneDepth 59.3%

Caratlytics Score

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A
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 3
Current: €6,523 EUR|Low: €709 EUR|High: €6,932 EUR|Avg: €2,201 EUR|-5.9%
Brilliant Earth
Retailer 2
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Retailer 24
November 5, 2026
Retailer 11€709 EUR
Retailer 5€772 EUR
Retailer 4€794 EUR
Retailer 7€823 EUR
Retailer 17€823 EUR
Retailer 3€981 EUR
Retailer 18€1,078 EUR
Retailer 8€1,087 EUR
Retailer 16€1,300 EUR
Retailer 13€1,379 EUR
Retailer 21€1,382 EUR
Retailer 6€1,555 EUR
Retailer 20€1,833 EUR
Retailer 23€1,866 EUR
Retailer 24€2,051 EUR
Retailer 22€2,111 EUR
Retailer 12€2,554 EUR
Retailer 14€2,575 EUR
Retailer 9€2,732 EUR
Retailer 15€3,240 EUR
Retailer 2€3,396 EUR
Retailer 19€4,260 EUR
Retailer 10€6,302 EUR
Brilliant Earth€6,523 EUR

27 data points across 24 retailers

27 retailers€709 EUR to €6,523 EUR

A
Cheapest Retailer
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€709 EUR
A
Retailer 2
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€772 EUR
View
A
Retailer 3
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€794 EUR
View
Final sale: no returns
A
Retailer 4
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€823 EUR
View
Retailer 5
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€823 EUR
View
Price last confirmed 19 days ago
A
Retailer 6
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€981 EUR
View
A
Retailer 7
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€1,078 EUR
View
A
Retailer 8
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€1,087 EUR
View
A
Retailer 9
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€1,300 EUR
View
A
Retailer 10
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€1,379 EUR
View
A
Retailer 11
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€1,382 EUR
View
A
Retailer 12
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€1,555 EUR
View
B+
Retailer 13
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€1,833 EUR
View
B+
Retailer 14
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€1,866 EUR
View
B+
Retailer 15
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€2,051 EUR
View
B+
Retailer 16
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€2,111 EUR
View
B+
Retailer 17
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€2,554 EUR
View
B+
Retailer 18
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€2,575 EUR
View
B+
Retailer 19
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€2,732 EUR
View
B+
Retailer 20
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€3,240 EUR
View
B+
Retailer 21
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€3,396 EUR
View
Retailer 22
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€4,023 EUR
View
Price last confirmed 28 days ago
B
Retailer 23
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€4,260 EUR
View
B
Retailer 24
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€6,012 EUR
View
B
Retailer 25
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€6,302 EUR
View
B
Retailer 26
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€6,523 EUR
View
Most Expensive
Brilliant Earth
21773776Y · Oct 14
€6,932 EUR
$7,810 USD
View
Price last confirmed 21 days ago
26 more retailers have this diamond
Prices start from €709 EURSave up to €5,814 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.

A
3.11ct Round
€709 EUR