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Round|Lab Grown|IGI

3.11ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG706512306

Shape and cutting style on the report: Round brilliant

Certificate IGI LG706512306

Diamond specifications and retailer prices

From HK$3,130 HKD
As of November 5, 2026
Save HK$13,894 HKD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$17,024 HKD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.11ct lab-grown round diamond

This 3.11ct lab-grown round 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 LG706512306 or 706512306. Listed at 16 retailers as of November 5, 2026, with prices from HK$3,130 to HK$17,024, a HK$13,894 spread on the same certified stone. Brilliant Earth lists it at HK$17,024. 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

3.11
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706512306
Dimensions9.32 × 9.34 × 5.79 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.32 mm9.34 mm3.11 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706512306
Side View
Table 57.0%Crown 34.6°Girdle: MediumPavilion 41°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$17,024 HKD|Low: HK$2,934 HKD|High: HK$17,024 HKD|Avg: HK$7,554 HKD
Brilliant Earth
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
Retailer 15
November 6, 2026
Retailer 13HK$3,130 HKD
Retailer 6HK$3,507 HKD
Retailer 7HK$3,883 HKD
Retailer 15HK$3,883 HKD
Retailer 10HK$5,021 HKD
Retailer 8HK$5,366 HKD
Retailer 2HK$6,064 HKD
Retailer 14HK$6,151 HKD
Retailer 9HK$6,253 HKD
Retailer 3HK$6,872 HKD
Retailer 5HK$7,806 HKD
Retailer 11HK$9,430 HKD
Retailer 4HK$12,474 HKD
Retailer 12HK$15,157 HKD
Brilliant EarthHK$17,024 HKD

37 data points across 15 retailers

16 retailersHK$3,130 HKD to HK$17,024 HKD

A
Cheapest Retailer
-
HK$3,130 HKD
A
Retailer 2
-
HK$3,507 HKD
View
Retailer 3
-
HK$3,883 HKD
View
Price last confirmed 12 days ago
A
Retailer 4
-
HK$3,883 HKD
View
A
Retailer 5
-
HK$5,021 HKD
View
A
Retailer 6
-
HK$5,366 HKD
View
A
Retailer 7
-
HK$6,064 HKD
View
B+
Retailer 8
-
HK$6,151 HKD
View
A
Retailer 9
-
HK$6,253 HKD
View
A
Retailer 10
-
HK$6,872 HKD
View
B+
Retailer 11
-
HK$7,806 HKD
View
B+
Retailer 12
-
HK$9,430 HKD
View
B
Retailer 13
-
HK$12,474 HKD
View
Retailer 14
-
HK$14,710 HKD
View
Price last confirmed 40 days ago
B
Retailer 15
-
HK$15,157 HKD
View
Most Expensive
B
Brilliant Earth
18656417A · Nov 5
HK$17,024 HKD
$2,170 USD
View
15 more retailers have this diamond
Prices start from HK$3,130 HKDSave up to HK$13,894 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
3.11ct Round
HK$3,130 HKD