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3.51ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG626494902

Shape and cutting style on the report: Round brilliant

Certificate IGI LG626494902

Diamond specifications and retailer prices

From HK$9,831 HKD
CA$1,740 CAD
As of November 2, 2026
Save HK$3,170 HKD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$13,001 HKD at The Diamond Guys · As of November 3, 2026
View at The Diamond Guys

About this 3.51ct lab-grown round diamond

This 3.51ct 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 LG626494902 or 626494902. Listed at 2 retailers as of November 2, 2026, with prices from HK$9,831 to HK$13,001, a HK$3,170 spread on the same certified stone. The Diamond Guys lists it at HK$13,001. 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

3.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626494902
Dimensions9.85 × 9.78 × 5.93 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
9.85 mm9.78 mm3.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626494902
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
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 2
Current: HK$8,301 HKD|Low: HK$1,969 HKD|High: HK$23,852 HKD|Avg: HK$9,413 HKD|-3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
The Diamond Guys
August 3, 2026
Retailer 3HK$5,371 HKD
Retailer 4HK$5,781 HKD
Retailer 8HK$6,614 HKD
Retailer 10HK$6,646 HKD
Retailer 5HK$7,367 HKD
Retailer 7HK$7,987 HKD
Retailer 1HK$8,301 HKD
Retailer 6HK$9,831 HKD
Retailer 11HK$12,593 HKD
The Diamond GuysHK$13,001 HKD
Retailer 2HK$17,047 HKD
Retailer 9HK$20,400 HKD

58 data points across 12 retailers

2 retailersHK$9,831 HKD to HK$13,001 HKD

B+
Cheapest Retailer
-
HK$9,831 HKD
CA$1,740 CAD
Most Expensive
B
The Diamond Guys
1954434393 · Nov 3
HK$13,001 HKD
$1,657 USD
View
1 more retailer has this diamond
Prices start from HK$9,831 HKDSave up to HK$3,170 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+
3.51ct Round
HK$9,831 HKD