Round|Lab Grown|GIA

3.09ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 2496232868

Certificate GIA 2496232868

Diamond specifications and retailer prices

From €974 EUR
As of November 4, 2026
Save €3,267 EUR (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €4,241 EUR at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2496232868. Listed at 8 retailers as of November 4, 2026, with prices from €974 to €4,241, a €3,267 spread on the same certified stone. Brilliant Earth lists it at €4,241. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 2496232868
Dimensions9.36 × 9.31 × 5.74 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
9.36 mm9.31 mm3.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2496232868
Side View
Table 58.0%Crown 35°Girdle: MED-MEDPavilion 40.8°Culet: NoneDepth 61.5%

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 4
Current: €4,241 EUR|Low: €974 EUR|High: €4,703 EUR|Avg: €2,153 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6€974 EUR
Retailer 7€1,039 EUR
Retailer 5€1,163 EUR
Retailer 2€1,303 EUR
Retailer 8€1,357 EUR
Retailer 3€1,720 EUR
Retailer 4€2,089 EUR
Brilliant Earth€4,241 EUR
Retailer 9€4,703 EUR

10 data points across 9 retailers

8 retailers€974 EUR to €4,241 EUR

A
Cheapest Retailer
-
€974 EUR
Final sale: no returns
B+
Retailer 2
-
€1,039 EUR
View
B+
Retailer 3
-
€1,163 EUR
View
B+
Retailer 4
-
€1,303 EUR
View
B+
Retailer 5
-
€1,357 EUR
View
B
Retailer 6
-
€1,720 EUR
View
B
Retailer 7
-
€2,089 EUR
View
Most Expensive
B
Brilliant Earth
16357344Y · Nov 5
€4,241 EUR
$4,760 USD
View
7 more retailers have this diamond
Prices start from €974 EURSave up to €3,267 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
€974 EUR