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Round|Lab Grown|IGI

1.09ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG689560496

Shape and cutting style on the report: Round brilliant

Certificate IGI LG689560496

Diamond specifications and retailer prices

From HK$4,707 HKD
$600 USD
As of November 5, 2026
1 retailer carries this diamond
Only listing: HK$4,707 HKD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG689560496 or 689560496. Listed at a single retailer as of November 5, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.09
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689560496
Dimensions6.63 × 6.67 × 4.04 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.63 mm6.67 mm1.09 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689560496
Side View
Table 59.0%Crown 34.1°Girdle: MediumPavilion 41°Culet: NoneDepth 60.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: HK$7,610 HKD|Low: HK$1,867 HKD|High: HK$8,081 HKD|Avg: HK$4,484 HKD|-4.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
March 5, 2026
Retailer 6HK$1,867 HKD
Retailer 5HK$3,201 HKD
Retailer 7HK$3,546 HKD
Retailer 8HK$3,679 HKD
Retailer 2HK$3,797 HKD
Retailer 4HK$4,252 HKD
Retailer 3HK$4,872 HKD
Brilliant EarthHK$7,610 HKD

29 data points across 8 retailers

1 retailer

B
Brilliant Earth
16359708A · Nov 5
HK$4,707 HKD
$600 USD
View

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.

B
1.09ct Round
HK$4,707 HKD