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Round|Lab Grown|GIA

3.09ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 2486885853

Certificate GIA 2486885853

Diamond specifications and retailer prices

From €804 EUR
As of November 4, 2026
Save €2,947 EUR (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,751 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2486885853. Listed at 13 retailers as of November 4, 2026, with prices from €804 to €3,751, a €2,947 spread on the same certified stone. Brilliant Earth lists it at €3,751. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabGIA
CertificateGIA 2486885853
Dimensions9.41 × 9.45 × 5.72 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
9.41 mm9.45 mm3.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2486885853
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €3,751 EUR|Low: €804 EUR|High: €3,751 EUR|Avg: €1,839 EUR|+1.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10€804 EUR
Retailer 12€878 EUR
Retailer 11€989 EUR
Retailer 9€1,111 EUR
Retailer 8€1,129 EUR
Retailer 2€1,343 EUR
Retailer 7€1,396 EUR
Retailer 6€1,817 EUR
Retailer 3€2,440 EUR
Retailer 4€3,280 EUR
Retailer 5€3,438 EUR
Brilliant Earth€3,751 EUR

44 data points across 12 retailers

13 retailers€804 EUR to €3,751 EUR

A
Cheapest Retailer
-
€804 EUR
Final sale: no returns
A
Retailer 2
-
€878 EUR
View
B+
Retailer 3
-
€989 EUR
View
B+
Retailer 4
-
€1,111 EUR
View
B+
Retailer 5
-
€1,129 EUR
View
B+
Retailer 6
-
€1,343 EUR
View
B+
Retailer 7
-
€1,396 EUR
View
B
Retailer 8
-
€1,817 EUR
View
B
Retailer 9
-
€2,440 EUR
View
B
Retailer 10
-
€2,586 EUR
View
B
Retailer 11
-
€3,280 EUR
View
B
Retailer 12
-
€3,438 EUR
View
Most Expensive
B
Brilliant Earth
9754017A · Nov 5
€3,751 EUR
$4,210 USD
View
12 more retailers have this diamond
Prices start from €804 EURSave up to €2,947 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
€804 EUR