Round|Lab Grown|IGI

3.81ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG631406611

Shape and cutting style on the report: Round brilliant

Certificate IGI LG631406611

Diamond specifications and retailer prices

From HK$10,850 HKD
CA$1,921 CAD
As of October 30, 2026
Save HK$3,499 HKD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$14,350 HKD at The Diamond Guys · As of October 30, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG631406611 or 631406611. Listed at 2 retailers as of October 30, 2026, with prices from HK$10,850 to HK$14,350, a HK$3,499 spread on the same certified stone. The Diamond Guys lists it at HK$14,350. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631406611
Dimensions10.21 × 10.13 × 6.09 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
10.21 mm10.13 mm3.81 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631406611
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.0%

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: Oct 30
Current: HK$18,340 HKD|Low: HK$2,189 HKD|High: HK$41,661 HKD|Avg: HK$11,634 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
Retailer 12
The Diamond Guys
August 3, 2026
Retailer 10HK$2,189 HKD
Retailer 4HK$5,997 HKD
Retailer 7HK$6,425 HKD
Retailer 12HK$7,422 HKD
Retailer 8HK$8,724 HKD
Retailer 5HK$8,985 HKD
Retailer 3HK$9,988 HKD
Retailer 9HK$10,850 HKD
The Diamond GuysHK$14,350 HKD
Retailer 1HK$18,340 HKD
Retailer 6HK$22,909 HKD
Retailer 2HK$24,243 HKD
Retailer 11HK$24,243 HKD

64 data points across 13 retailers

2 retailersHK$10,850 HKD to HK$14,350 HKD

B+
Cheapest Retailer
-
HK$10,850 HKD
CA$1,921 CAD
Most Expensive
B
The Diamond Guys
1954434260 · Oct 30
HK$14,350 HKD
$1,829 USD
View
1 more retailer has this diamond
Prices start from HK$10,850 HKDSave up to HK$3,499 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$10,850 HKD