Round|Lab Grown|IGI

3.09ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG621433896

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621433896

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)
2 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 LG621433896 or 621433896. Listed at 2 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 angle34.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621433896
Dimensions9.37 × 9.31 × 5.80 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
9.37 mm9.31 mm3.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621433896
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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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$2,597 HKD|Low: HK$1,906 HKD|High: HK$21,496 HKD|Avg: HK$9,510 HKD|+31.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
The Diamond Guys
September 18, 2026
Retailer 1HK$2,597 HKD
Retailer 5HK$4,699 HKD
Retailer 3HK$5,076 HKD
Retailer 4HK$5,335 HKD
Retailer 6HK$7,484 HKD
Retailer 8HK$7,492 HKD
Retailer 9HK$8,143 HKD
Retailer 7HK$8,339 HKD
Retailer 10HK$9,673 HKD
The Diamond GuysHK$12,803 HKD
Retailer 2HK$20,398 HKD

72 data points across 11 retailers

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

B+
Cheapest Retailer
-
HK$9,673 HKD
Most Expensive
B
The Diamond Guys
1954434402 · Nov 6
HK$12,803 HKD
$1,632 USD
View
1 more retailer has 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