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Round|Lab Grown|IGI

3.09ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG629470448

Shape and cutting style on the report: Round brilliant

Certificate IGI LG629470448

Diamond specifications and retailer prices

From €1,115 EUR
As of November 5, 2026
Save €361 EUR (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €1,475 EUR at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.09ct lab-grown round diamond

This 3.09ct 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 LG629470448 or 629470448. Listed at 3 retailers as of November 5, 2026, with prices from €1,115 to €1,475, a €361 spread on the same certified stone. The Diamond Guys lists it at €1,475. 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

3.09
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629470448
Dimensions9.26 × 9.19 × 5.84 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
9.26 mm9.19 mm3.09 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629470448
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.4%

Caratlytics Score

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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: €299 EUR|Low: €223 EUR|High: €3,751 EUR|Avg: €1,314 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
The Diamond Guys
September 18, 2026
Retailer 1€299 EUR
Retailer 13€343 EUR
Retailer 8€347 EUR
Retailer 11€482 EUR
Retailer 12€543 EUR
Retailer 9€588 EUR
Retailer 10€612 EUR
Retailer 15€851 EUR
Retailer 14€852 EUR
Retailer 2€927 EUR
Retailer 3€940 EUR
Retailer 4€1,115 EUR
The Diamond Guys€1,475 EUR
Retailer 6€1,683 EUR
Retailer 5€2,352 EUR
Retailer 7€3,751 EUR

65 data points across 16 retailers

3 retailers€1,115 EUR to €1,475 EUR

Retailer 1
-
€343 EUR
Price last confirmed 51 days ago
B+
Retailer 2
-
€1,115 EUR
View
Most Expensive
B
The Diamond Guys
1954434405 · Nov 6
€1,475 EUR
$1,656 USD
View
2 more retailers have this diamond
Prices start from €1,115 EURSave up to €361 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+
3.09ct Round
€1,115 EUR