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Round|Lab Grown|IGI

3.09ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG677505446

Shape and cutting style on the report: Round brilliant

Certificate IGI LG677505446

Diamond specifications and retailer prices

From HK$3,154 HKD
As of November 4, 2026
Save HK$11,195 HKD (78%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$14,349 HKD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

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 LG677505446 or 677505446. Listed at 4 retailers as of November 4, 2026, with prices from HK$3,154 to HK$14,349, a HK$11,195 spread on the same certified stone. The Diamond Guys lists it at HK$14,349. 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 angle33.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677505446
Dimensions9.46 × 9.39 × 5.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.46 mm9.39 mm3.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677505446
Side View
Table 59.0%Crown 33.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.1%

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$3,154 HKD|Low: HK$3,075 HKD|High: HK$22,437 HKD|Avg: HK$8,603 HKD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
The Diamond Guys
October 27, 2026
Retailer 1HK$3,154 HKD
Retailer 12HK$3,515 HKD
Retailer 14HK$3,562 HKD
Retailer 8HK$4,739 HKD
Retailer 13HK$5,499 HKD
Retailer 10HK$5,821 HKD
Retailer 7HK$6,088 HKD
Retailer 2HK$7,555 HKD
Retailer 11HK$7,571 HKD
Retailer 3HK$8,912 HKD
Retailer 9HK$9,571 HKD
Retailer 4HK$10,842 HKD
The Diamond GuysHK$14,349 HKD
Retailer 6HK$15,424 HKD
Retailer 5HK$22,437 HKD

5 data points across 15 retailers

4 retailersHK$3,154 HKD to HK$14,349 HKD

A
Cheapest Retailer
-
HK$3,154 HKD
Final sale: no returns
Retailer 2
-
HK$3,515 HKD
View
Price last confirmed 52 days ago
B
Retailer 3
-
HK$10,842 HKD
View
Most Expensive
B
The Diamond Guys
1951064792 · Nov 6
HK$14,349 HKD
$1,829 USD
View
3 more retailers have this diamond
Prices start from HK$3,154 HKDSave up to HK$11,195 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$3,154 HKD