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Marquise|Lab Grown|IGI

3.06ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG770680607

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG770680607

Diamond specifications and retailer prices

From HK$12,292 HKD
£1,235 GBP
As of November 5, 2026
1 retailer carries this diamond
Only listing: HK$12,292 HKD at Diamond Quarter
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 Diamond Quarter

About this 3.06ct lab-grown marquise diamond

This 3.06ct lab-grown marquise 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 LG770680607 or 770680607. 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

3.06
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770680607
Dimensions14.62 × 7.66 × 4.79 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.62 mm7.66 mm3.06 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770680607
Side View
Table 59.0%Crown 35.7°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 62.5%

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$12,292 HKD|Low: HK$3,644 HKD|High: HK$38,717 HKD|Avg: HK$12,283 HKD
Diamond Quarter
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
May 3, 2026
Retailer 10HK$3,809 HKD
Retailer 3HK$4,938 HKD
Retailer 4HK$5,243 HKD
Retailer 8HK$6,113 HKD
Retailer 2HK$6,685 HKD
Retailer 9HK$8,229 HKD
Retailer 7HK$9,930 HKD
Retailer 11HK$11,027 HKD
Diamond QuarterHK$12,292 HKD
Retailer 5HK$20,456 HKD
Retailer 6HK$38,717 HKD

38 data points across 11 retailers

1 retailer

B
Diamond Quarter
3.06SI1FLG275C07N · Nov 5
HK$12,292 HKD
£1,235 GBP
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
3.06ct Marquise
HK$12,292 HKD