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 $902 USD
As of November 4, 2026
Save $3,308 USD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,210 USD 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 $902 to $4,210, a $3,308 spread on the same certified stone. Brilliant Earth lists it at $4,210. 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
Color
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: $4,210 USD|Low: $902 USD|High: $4,210 USD|Avg: $2,064 USD|+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$902 USD
Retailer 12$986 USD
Retailer 11$1,110 USD
Retailer 9$1,247 USD
Retailer 8$1,267 USD
Retailer 2$1,507 USD
Retailer 7$1,567 USD
Retailer 6$2,039 USD
Retailer 3$2,739 USD
Retailer 4$3,681 USD
Retailer 5$3,859 USD
Brilliant Earth$4,210 USD

44 data points across 12 retailers

13 retailers$902 USD to $4,210 USD

A
Cheapest Retailer
-
$902 USD
Final sale: no returns
A
Retailer 2
-
$986 USD
View
B+
Retailer 3
-
$1,110 USD
View
B+
Retailer 4
-
$1,247 USD
View
B+
Retailer 5
-
$1,267 USD
View
B+
Retailer 6
-
$1,507 USD
View
B+
Retailer 7
-
$1,567 USD
View
B
Retailer 8
-
$2,039 USD
View
B
Retailer 9
-
$2,739 USD
View
B
Retailer 10
-
$2,902 USD
View
B
Retailer 11
-
$3,681 USD
View
B
Retailer 12
-
$3,859 USD
View
Most Expensive
B
Brilliant Earth
9754017A · Nov 5
$4,210 USD
View
12 more retailers have this diamond
Prices start from $902 USDSave up to $3,308 USD

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
$902 USD