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Radiant|Lab Grown|IGI

3.09ct F VVS1 Radiant Lab Grown Diamond

ID • F/VVS1 • IGI LG851681657

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG851681657

Diamond specifications and retailer prices

From €515 EUR
As of November 4, 2026
Save €3,655 EUR (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €4,170 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.09ct lab-grown radiant diamond

This 3.09ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG851681657 or 851681657. Listed at 23 retailers as of November 4, 2026, with prices from €515 to €4,170, a €3,655 spread on the same certified stone. Brilliant Earth lists it at €4,170. 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

3.09
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851681657
Dimensions10.29 × 7.14 × 4.87 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.29 mm7.14 mm3.09 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851681657
Side View
Table 64.0%Crown 40.7°Girdle: Slightly ThickPavilion 35.2°Culet: NoneDepth 68.2%

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 4
Current: €4,170 EUR|Low: €515 EUR|High: €4,170 EUR|Avg: €1,552 EUR
Brilliant Earth
Retailer 2
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Retailer 23
November 5, 2026
Retailer 15€515 EUR
Retailer 9€576 EUR
Retailer 23€577 EUR
Retailer 4€639 EUR
Retailer 18€691 EUR
Retailer 5€757 EUR
Retailer 12€851 EUR
Retailer 8€950 EUR
Retailer 11€952 EUR
Retailer 17€989 EUR
Retailer 2€1,352 EUR
Retailer 21€1,386 EUR
Retailer 19€1,445 EUR
Retailer 7€1,600 EUR
Retailer 6€1,680 EUR
Retailer 20€1,919 EUR
Retailer 14€2,069 EUR
Retailer 16€2,093 EUR
Retailer 3€2,139 EUR
Retailer 10€2,389 EUR
Retailer 13€2,766 EUR
Retailer 22€3,025 EUR
Brilliant Earth€4,170 EUR

7 data points across 23 retailers

23 retailers€515 EUR to €4,170 EUR

A
Cheapest Retailer
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€515 EUR
A
Retailer 2
-
€576 EUR
View
Final sale: no returns
A
Retailer 3
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€577 EUR
View
A
Retailer 4
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€639 EUR
View
A
Retailer 5
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€691 EUR
View
A
Retailer 6
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€757 EUR
View
A
Retailer 7
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€851 EUR
View
A
Retailer 8
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€950 EUR
View
A
Retailer 9
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€952 EUR
View
A
Retailer 10
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€989 EUR
View
B+
Retailer 11
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€1,352 EUR
View
B+
Retailer 12
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€1,386 EUR
View
B+
Retailer 13
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€1,445 EUR
View
B+
Retailer 14
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€1,600 EUR
View
B+
Retailer 15
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€1,680 EUR
View
B+
Retailer 16
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€1,919 EUR
View
B+
Retailer 17
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€2,069 EUR
View
B+
Retailer 18
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€2,093 EUR
View
B
Retailer 19
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€2,139 EUR
View
B
Retailer 20
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€2,389 EUR
View
B
Retailer 21
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€2,766 EUR
View
B
Retailer 22
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€3,025 EUR
View
Most Expensive
B
Brilliant Earth
22378146A · Nov 4
€4,170 EUR
$4,680 USD
View
22 more retailers have this diamond
Prices start from €515 EURSave up to €3,655 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
3.09ct Radiant
€515 EUR