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3.81ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG626421301

Shape and cutting style on the report: Round brilliant

Certificate IGI LG626421301

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 LG626421301 or 626421301. 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 angle34.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626421301
Dimensions10.13 × 10.09 × 6.10 mm
L/W Ratio1.00
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
10.13 mm10.09 mm3.81 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626421301
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$17,694 HKD|Low: HK$2,118 HKD|High: HK$26,128 HKD|Avg: HK$10,639 HKD|-4.2%
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$5,775 HKD
Retailer 6HK$6,431 HKD
Retailer 9HK$6,999 HKD
Retailer 11HK$7,116 HKD
Retailer 8HK$8,254 HKD
Retailer 5HK$8,607 HKD
Retailer 4HK$8,799 HKD
Retailer 7HK$10,669 HKD
Retailer 2HK$13,652 HKD
The Diamond GuysHK$14,107 HKD
Retailer 1HK$17,694 HKD
Retailer 10HK$21,969 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
1954434350 · 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