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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 $1,152 SGD
As of November 4, 2026
Save $4,225 SGD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,377 SGD 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 $1,152 to $5,377, a $4,225 spread on the same certified stone. Brilliant Earth lists it at $5,377. 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: $5,377 SGD|Low: $1,152 SGD|High: $5,377 SGD|Avg: $2,637 SGD|+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$1,152 SGD
Retailer 12$1,259 SGD
Retailer 11$1,418 SGD
Retailer 9$1,593 SGD
Retailer 8$1,618 SGD
Retailer 2$1,925 SGD
Retailer 7$2,002 SGD
Retailer 6$2,604 SGD
Retailer 3$3,499 SGD
Retailer 4$4,702 SGD
Retailer 5$4,929 SGD
Brilliant Earth$5,377 SGD

44 data points across 12 retailers

13 retailers$1,152 SGD to $5,377 SGD

A
Cheapest Retailer
-
$1,152 SGD
Final sale: no returns
A
Retailer 2
-
$1,259 SGD
View
B+
Retailer 3
-
$1,418 SGD
View
B+
Retailer 4
-
$1,593 SGD
View
B+
Retailer 5
-
$1,618 SGD
View
B+
Retailer 6
-
$1,925 SGD
View
B+
Retailer 7
-
$2,002 SGD
View
B
Retailer 8
-
$2,604 SGD
View
B
Retailer 9
-
$3,499 SGD
View
B
Retailer 10
-
$3,707 SGD
View
B
Retailer 11
-
$4,702 SGD
View
B
Retailer 12
-
$4,929 SGD
View
Most Expensive
B
Brilliant Earth
9754017A · Nov 5
$5,377 SGD
$4,210 USD
View
12 more retailers have this diamond
Prices start from $1,152 SGDSave up to $4,225 SGD

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
$1,152 SGD