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3.09ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • GCAL 331110451

Shape and cutting style on the report: Round brilliant

Certificate GCAL 331110451

Diamond specifications and retailer prices

From €389 EUR
As of November 5, 2026
Save €1,831 EUR (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €2,220 EUR at MOH London · As of November 5, 2026
View at MOH London

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 GCAL 331110451. Listed at 16 retailers as of November 5, 2026, with prices from €389 to €2,220, a €1,831 spread on the same certified stone. MOH London lists it at €2,220. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 331110451
Dimensions9.37 × 9.42 × 5.72 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.37 mm9.42 mm3.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 331110451
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.9%

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 5
Current: €2,220 EUR|Low: €346 EUR|High: €2,238 EUR|Avg: €1,086 EUR|+22.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 9€389 EUR
Retailer 5€446 EUR
Retailer 13€483 EUR
Retailer 10€688 EUR
Retailer 3€713 EUR
Retailer 2€715 EUR
Retailer 7€771 EUR
Retailer 6€1,423 EUR
Retailer 8€1,481 EUR
Retailer 12€1,714 EUR
Retailer 4€1,835 EUR
Retailer 11€2,054 EUR
MOH London€2,220 EUR

44 data points across 13 retailers

16 retailers€389 EUR to €2,220 EUR

Retailer 1
-
€360 EUR
Price last confirmed 44 days ago
A
Retailer 2
-
€389 EUR
View
Retailer 3
-
€404 EUR
View
Price last confirmed 44 days ago
Retailer 4
-
€441 EUR
View
Price last confirmed 45 days ago
A
Retailer 5
-
€483 EUR
View
A
Retailer 6
-
€688 EUR
View
B+
Retailer 7
-
€713 EUR
View
A
Retailer 8
-
€715 EUR
View
A
Retailer 9
-
€771 EUR
View
B+
Retailer 10
-
€1,423 EUR
View
B
Retailer 11
-
€1,481 EUR
View
Retailer 12
-
€1,585 EUR
View
Price last confirmed 46 days ago
B
Retailer 13
-
€1,714 EUR
View
B
Retailer 14
-
€1,835 EUR
View
B
Retailer 15
-
€2,054 EUR
View
Most Expensive
B
MOH London
331110451 · Nov 5
€2,220 EUR
£1,962 GBP
View
15 more retailers have this diamond
Prices start from €389 EURSave up to €1,831 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 Round
€389 EUR