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Cushion|Lab Grown|IGI

3.06ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG788659677

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG788659677

Diamond specifications and retailer prices

From HK$20,691 HKD
$2,640 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: HK$20,691 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 3.06ct lab-grown cushion diamond

This 3.06ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG788659677 or 788659677. Listed at a single retailer as of November 6, 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

3.06
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788659677
Dimensions9.83 × 7.67 × 5.13 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.83 mm7.67 mm3.06 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788659677
Side View
Table 61.0%Crown 34.4°Girdle: MED-THKPavilion 36.2°Culet: NoneDepth 66.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: HK$20,691 HKD|Low: HK$2,061 HKD|High: HK$20,691 HKD|Avg: HK$8,276 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 2, 2026
Retailer 6HK$3,840 HKD
Retailer 5HK$3,903 HKD
Retailer 4HK$4,898 HKD
Retailer 3HK$5,079 HKD
Retailer 2HK$7,837 HKD
Retailer 8HK$10,737 HKD
Retailer 7HK$17,062 HKD
Brilliant EarthHK$20,691 HKD

60 data points across 8 retailers

1 retailer

B
Brilliant Earth
18559004A · Nov 6
HK$20,691 HKD
$2,640 USD
View

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B
3.06ct Cushion
HK$20,691 HKD