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3.81ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG644469308

Shape and cutting style on the report: Round brilliant

Certificate IGI LG644469308

Diamond specifications and retailer prices

From HK$10,669 HKD
CA$1,889 CAD
As of November 2, 2026
Save HK$3,438 HKD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$14,107 HKD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.81ct lab-grown round diamond

This 3.81ct 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 LG644469308 or 644469308. Listed at 2 retailers as of November 1, 2026, with prices from HK$10,669 to HK$14,107, a HK$3,438 spread on the same certified stone. The Diamond Guys lists it at HK$14,107. 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

3.81
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644469308
Dimensions10.12 × 10.05 × 6.11 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.12 mm10.05 mm3.81 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644469308
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: HK$8,870 HKD|Low: HK$2,158 HKD|High: HK$26,128 HKD|Avg: HK$10,139 HKD|-8.7%
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$5,841 HKD
Retailer 5HK$6,340 HKD
Retailer 8HK$7,069 HKD
Retailer 10HK$7,242 HKD
Retailer 7HK$8,380 HKD
Retailer 4HK$8,607 HKD
Retailer 1HK$8,870 HKD
Retailer 6HK$10,669 HKD
Retailer 11HK$13,731 HKD
The Diamond GuysHK$14,107 HKD
Retailer 2HK$18,515 HKD
Retailer 9HK$22,361 HKD

59 data points across 12 retailers

2 retailersHK$10,669 HKD to HK$14,107 HKD

B+
Cheapest Retailer
-
HK$10,669 HKD
CA$1,889 CAD
Most Expensive
B
The Diamond Guys
1954434352 · Nov 1
HK$14,107 HKD
$1,798 USD
View
1 more retailer has this diamond
Prices start from HK$10,669 HKDSave up to HK$3,438 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+
3.81ct Round
HK$10,669 HKD