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3.09ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG784661357

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784661357

Diamond specifications and retailer prices

From HK$5,539 HKD
As of November 4, 2026
Save HK$8,269 HKD (60%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$13,808 HKD at Rare Carat · As of November 4, 2026
View at Rare Carat

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 IGI LG784661357 or 784661357. Listed at 7 retailers as of November 4, 2026, with prices from HK$5,539 to HK$13,808, a HK$8,269 spread on the same certified stone. Rare Carat lists it at HK$13,808. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784661357
Dimensions9.43 × 9.36 × 5.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.43 mm9.36 mm3.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784661357
Side View
Table 59.0%Crown 33.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.0%

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$13,808 HKD|Low: HK$5,343 HKD|High: HK$14,474 HKD|Avg: HK$9,269 HKD|-4.6%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4HK$5,539 HKD
Retailer 2HK$6,127 HKD
Retailer 5HK$6,527 HKD
Retailer 6HK$7,524 HKD
Retailer 7HK$11,407 HKD
Retailer 3HK$13,439 HKD
Rare CaratHK$13,808 HKD

40 data points across 7 retailers

7 retailersHK$5,539 HKD to HK$13,808 HKD

B+
Cheapest Retailer
-
HK$5,539 HKD
A
Retailer 2
-
HK$6,127 HKD
View
A
Retailer 3
-
HK$6,527 HKD
View
A
Retailer 4
-
HK$7,524 HKD
View
B
Retailer 5
-
HK$11,407 HKD
View
B
Retailer 6
-
HK$13,439 HKD
View
Most Expensive
B
Rare Carat
DM1-19_l_784661357 · Nov 4
HK$13,808 HKD
$1,760 USD
View
6 more retailers have this diamond
Prices start from HK$5,539 HKDSave up to HK$8,269 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$5,539 HKD