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3.09ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 2486885853

Certificate GIA 2486885853

Diamond specifications and retailer prices

From HK$7,076 HKD
As of November 4, 2026
Save HK$25,952 HKD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$33,028 HKD 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 HK$7,076 to HK$33,028, a HK$25,952 spread on the same certified stone. Brilliant Earth lists it at HK$33,028. 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: HK$33,028 HKD|Low: HK$7,076 HKD|High: HK$33,028 HKD|Avg: HK$16,193 HKD|+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 10HK$7,076 HKD
Retailer 12HK$7,735 HKD
Retailer 11HK$8,708 HKD
Retailer 9HK$9,783 HKD
Retailer 8HK$9,940 HKD
Retailer 2HK$11,823 HKD
Retailer 7HK$12,293 HKD
Retailer 6HK$15,996 HKD
Retailer 3HK$21,488 HKD
Retailer 4HK$28,878 HKD
Retailer 5HK$30,275 HKD
Brilliant EarthHK$33,028 HKD

44 data points across 12 retailers

13 retailersHK$7,076 HKD to HK$33,028 HKD

A
Cheapest Retailer
-
HK$7,076 HKD
Final sale: no returns
A
Retailer 2
-
HK$7,735 HKD
View
B+
Retailer 3
-
HK$8,708 HKD
View
B+
Retailer 4
-
HK$9,783 HKD
View
B+
Retailer 5
-
HK$9,940 HKD
View
B+
Retailer 6
-
HK$11,823 HKD
View
B+
Retailer 7
-
HK$12,293 HKD
View
B
Retailer 8
-
HK$15,996 HKD
View
B
Retailer 9
-
HK$21,488 HKD
View
B
Retailer 10
-
HK$22,767 HKD
View
B
Retailer 11
-
HK$28,878 HKD
View
B
Retailer 12
-
HK$30,275 HKD
View
Most Expensive
B
Brilliant Earth
9754017A · Nov 5
HK$33,028 HKD
$4,210 USD
View
12 more retailers have this diamond
Prices start from HK$7,076 HKDSave up to HK$25,952 HKD

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
HK$7,076 HKD