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Round|Lab Grown|IGI

3.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG628498547

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628498547

Diamond specifications and retailer prices

From €1,100 EUR
As of November 5, 2026
Save €1,303 EUR (54%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €4,239 EUR at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.05ct lab-grown round diamond

This 3.05ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG628498547 or 628498547. Listed at 6 retailers as of November 5, 2026, with a 118% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.05
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628498547
Dimensions9.37 × 9.29 × 5.67 mm
L/W Ratio1.01
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
Top View
9.37 mm9.29 mm3.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628498547
Side View
Table 60.0%Crown 33.6°Girdle: MediumPavilion 41.4°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €1,434 EUR|Low: €598 EUR|High: €6,638 EUR|Avg: €1,770 EUR|-12.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
November 6, 2026
Retailer 8€598 EUR
Retailer 9€748 EUR
Retailer 4€962 EUR
Retailer 7€1,025 EUR
Retailer 6€1,222 EUR
Retailer 11€1,396 EUR
Retailer 5€1,427 EUR
Retailer 1€1,434 EUR
The Diamond Guys€1,457 EUR
Retailer 3€1,679 EUR
Retailer 12€1,928 EUR
Retailer 10€2,403 EUR
Retailer 2€6,638 EUR

2 data points across 13 retailers

6 retailers€1,100 EUR to €2,403 EUR

B+
Cheapest Retailer
-
€1,100 EUR
B+
Retailer 2
-
€1,222 EUR
View
B+
Retailer 3
-
€1,434 EUR
View
B
Retailer 4
-
€1,457 EUR
View
B
Retailer 5
-
€2,403 EUR
View
Most Expensive
The Diamond Guys
1959846517 · Nov 6
€4,239 EUR
$4,758 USD
View
Price under review
5 more retailers have this diamond
Prices start from €1,100 EURSave up to €1,303 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.

B+
3.05ct Round
€1,100 EUR