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3.11ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG792619889

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792619889

Diamond specifications and retailer prices

From HK$3,350 HKD
$427 USD
As of November 1, 2026
Save HK$13,283 HKD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$16,633 HKD at Brilliant Earth · As of November 1, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG792619889 or 792619889. Listed at 17 retailers as of November 1, 2026, with prices from HK$3,350 to HK$16,633, a HK$13,283 spread on the same certified stone. Brilliant Earth lists it at HK$16,633. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792619889
Dimensions9.39 × 9.43 × 5.73 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
9.39 mm9.43 mm3.11 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792619889
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.9%

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 1
Current: HK$16,633 HKD|Low: HK$3,350 HKD|High: HK$17,104 HKD|Avg: HK$9,336 HKD|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8HK$3,350 HKD
Retailer 5HK$5,296 HKD
Retailer 10HK$6,535 HKD
Retailer 9HK$6,551 HKD
Retailer 4HK$6,607 HKD
Retailer 2HK$6,832 HKD
Retailer 7HK$9,980 HKD
Retailer 6HK$14,122 HKD
Retailer 3HK$15,265 HKD
Brilliant EarthHK$16,633 HKD

42 data points across 10 retailers

17 retailersHK$3,350 HKD to HK$16,633 HKD

A
Cheapest Retailer
-
HK$3,350 HKD
$427 USD
A
Retailer 2
-
HK$3,750 HKD
$478 USD
View
Retailer 3
-
HK$4,158 HKD
$530 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
HK$4,158 HKD
$530 USD
View
A
Retailer 5
-
HK$5,296 HKD
$675 USD
View
A
Retailer 6
-
HK$6,535 HKD
$833 USD
View
B+
Retailer 7
-
HK$6,551 HKD
$835 USD
View
A
Retailer 8
-
HK$6,607 HKD
€802 EUR
View
A
Retailer 9
-
HK$6,832 HKD
£686 GBP
View
B+
Retailer 10
-
HK$8,183 HKD
$1,043 USD
View
B
Retailer 11
-
HK$9,980 HKD
$1,272 USD
View
Retailer 12
-
HK$10,717 HKD
$1,366 USD
View
Price last confirmed 46 days ago
B
Retailer 13
-
HK$13,353 HKD
$1,702 USD
View
B
Retailer 14
-
HK$13,612 HKD
$1,735 USD
View
B
Retailer 15
-
HK$14,122 HKD
$1,800 USD
View
B
Retailer 16
-
HK$15,265 HKD
£1,532 GBP
View
Most Expensive
B
Brilliant Earth
18909503A · Nov 1
HK$16,633 HKD
$2,120 USD
View
16 more retailers have this diamond
Prices start from HK$3,350 HKDSave up to HK$13,283 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$3,350 HKD