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Round|Lab Grown|IGI

3.09ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG623459877

Shape and cutting style on the report: Round brilliant

Certificate IGI LG623459877

Diamond specifications and retailer prices

From HK$9,673 HKD
As of November 5, 2026
Save HK$3,130 HKD (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$12,803 HKD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.09ct lab-grown round diamond

This 3.09ct 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 LG623459877 or 623459877. Listed at 3 retailers as of November 5, 2026, with prices from HK$9,673 to HK$12,803, a HK$3,130 spread on the same certified stone. The Diamond Guys lists it at HK$12,803. 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

3.09
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623459877
Dimensions9.35 × 9.29 × 5.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.35 mm9.29 mm3.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623459877
Side View
Table 56.0%Crown 35.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.1%

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$2,597 HKD|Low: HK$1,906 HKD|High: HK$33,028 HKD|Avg: HK$11,633 HKD|+31.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
September 18, 2026
Retailer 1HK$2,597 HKD
Retailer 8HK$2,965 HKD
Retailer 7HK$4,699 HKD
Retailer 5HK$5,076 HKD
Retailer 6HK$5,335 HKD
Retailer 9HK$7,484 HKD
Retailer 11HK$7,492 HKD
Retailer 12HK$8,143 HKD
Retailer 10HK$8,355 HKD
Retailer 2HK$9,673 HKD
The Diamond GuysHK$12,803 HKD
Retailer 3HK$20,398 HKD
Retailer 4HK$33,028 HKD

69 data points across 13 retailers

3 retailersHK$9,673 HKD to HK$12,803 HKD

Retailer 1
-
HK$2,965 HKD
Price last confirmed 51 days ago
B
Retailer 2
-
HK$9,673 HKD
View
Most Expensive
B
The Diamond Guys
1954434401 · Nov 6
HK$12,803 HKD
$1,632 USD
View
2 more retailers have this diamond
Prices start from HK$9,673 HKDSave up to HK$3,130 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.

B
3.09ct Round
HK$9,673 HKD