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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 €715 EUR
$799 USD
As of November 1, 2026
Save €5,864 EUR (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €6,991 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 October 31, 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
Color
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

How it works →
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 1
Current: €6,579 EUR|Low: €715 EUR|High: €6,991 EUR|Avg: €2,323 EUR|-5.9%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 6
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Retailer 8
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Retailer 24
Retailer 25
November 1, 2026
Retailer 11€715 EUR
Retailer 3€779 EUR
Retailer 25€801 EUR
Retailer 7€830 EUR
Retailer 17€830 EUR
Retailer 23€989 EUR
Retailer 2€1,090 EUR
Retailer 8€1,096 EUR
Retailer 16€1,311 EUR
Retailer 20€1,390 EUR
Retailer 13€1,405 EUR
Retailer 6€1,568 EUR
Retailer 24€1,849 EUR
Retailer 4€1,862 EUR
Retailer 19€2,069 EUR
Retailer 21€2,127 EUR
Retailer 12€2,576 EUR
Retailer 14€2,597 EUR
Retailer 9€2,756 EUR
Retailer 15€3,267 EUR
Retailer 22€3,452 EUR
Retailer 18€4,058 EUR
Retailer 5€4,650 EUR
Retailer 10€6,355 EUR
Brilliant Earth€6,579 EUR

26 data points across 25 retailers

27 retailers€715 EUR to €6,579 EUR

A
Cheapest Retailer
-
€715 EUR
$799 USD
A
Retailer 2
-
€779 EUR
$870 USD
View
A
Retailer 3
-
€801 EUR
$895 USD
View
Final sale: no returns
A
Retailer 4
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€830 EUR
$927 USD
View
Retailer 5
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€830 EUR
$927 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€989 EUR
$1,105 USD
View
A
Retailer 7
-
€1,090 EUR
£959 GBP
View
A
Retailer 8
-
€1,096 EUR
$1,225 USD
View
A
Retailer 9
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€1,311 EUR
$1,465 USD
View
A
Retailer 10
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€1,390 EUR
View
A
Retailer 11
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€1,405 EUR
£1,236 GBP
View
A
Retailer 12
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€1,568 EUR
$1,752 USD
View
B+
Retailer 13
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€1,849 EUR
A$3,178 AUD
View
B+
Retailer 14
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€1,862 EUR
$2,080 USD
View
B+
Retailer 15
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€2,069 EUR
A$3,556 AUD
View
B+
Retailer 16
-
€2,127 EUR
ZAR 38,392 ZAR
View
B+
Retailer 17
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€2,576 EUR
$2,878 USD
View
B+
Retailer 18
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€2,597 EUR
$2,901 USD
View
B+
Retailer 19
-
€2,756 EUR
$3,079 USD
View
B+
Retailer 20
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€3,267 EUR
$3,650 USD
View
B+
Retailer 21
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€3,452 EUR
£3,037 GBP
View
Retailer 22
-
€4,058 EUR
A$6,974 AUD
View
Price last confirmed 24 days ago
B
Retailer 23
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€4,650 EUR
$5,195 USD
View
B
Retailer 24
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€6,063 EUR
$6,774 USD
View
B
Retailer 25
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€6,355 EUR
$7,100 USD
View
B
Retailer 26
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€6,579 EUR
$7,350 USD
View
Most Expensive
Brilliant Earth
21773776Y · Oct 14
€6,991 EUR
$7,810 USD
View
Price last confirmed 18 days ago
26 more retailers have this diamond
Prices start from €715 EURSave up to €5,864 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
€715 EUR