CaratHunter
Plans
Round|Lab Grown|IGI

3.09ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG655428249

Shape and cutting style on the report: Round brilliant

Certificate IGI LG655428249

Diamond specifications and retailer prices

From HK$3,711 HKD
As of November 4, 2026
Save HK$10,214 HKD (73%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$13,925 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 LG655428249 or 655428249. Listed at 7 retailers as of November 4, 2026, with prices from HK$3,711 to HK$13,925, a HK$10,214 spread on the same certified stone. Rare Carat lists it at HK$13,925. 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 angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655428249
Dimensions9.36 × 9.40 × 5.74 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.36 mm9.40 mm3.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655428249
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.2%

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$13,925 HKD|Low: HK$3,711 HKD|High: HK$33,358 HKD|Avg: HK$11,460 HKD|-22.9%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5HK$3,711 HKD
Retailer 4HK$5,343 HKD
Retailer 7HK$5,366 HKD
Retailer 3HK$5,900 HKD
Retailer 6HK$7,484 HKD
Retailer 2HK$13,298 HKD
Rare CaratHK$13,925 HKD
Retailer 8HK$33,358 HKD

9 data points across 8 retailers

7 retailersHK$3,711 HKD to HK$13,925 HKD

A
Cheapest Retailer
-
HK$3,711 HKD
Retailer 2
-
HK$5,343 HKD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
HK$5,366 HKD
View
A
Retailer 4
-
HK$5,900 HKD
View
A
Retailer 5
-
HK$7,484 HKD
View
B
Retailer 6
-
HK$13,298 HKD
View
Most Expensive
B
Rare Carat
KI2494282KF655 · Nov 4
HK$13,925 HKD
$1,775 USD
View
6 more retailers have this diamond
Prices start from HK$3,711 HKDSave up to HK$10,214 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$3,711 HKD