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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 $1,768 SGD
CA$1,921 CAD
As of October 30, 2026
Save $570 SGD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,338 SGD 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 $1,768 to $2,338, a $570 spread on the same certified stone. The Diamond Guys lists it at $2,338. 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

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $2,988 SGD|Low: $357 SGD|High: $6,788 SGD|Avg: $1,896 SGD|-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 10$357 SGD
Retailer 4$977 SGD
Retailer 7$1,047 SGD
Retailer 12$1,209 SGD
Retailer 8$1,422 SGD
Retailer 5$1,464 SGD
Retailer 3$1,627 SGD
Retailer 9$1,768 SGD
The Diamond Guys$2,338 SGD
Retailer 1$2,988 SGD
Retailer 6$3,733 SGD
Retailer 2$3,950 SGD
Retailer 11$3,950 SGD

64 data points across 13 retailers

2 retailers$1,768 SGD to $2,338 SGD

B+
Cheapest Retailer
-
$1,768 SGD
CA$1,921 CAD
Most Expensive
B
The Diamond Guys
1954434260 · Oct 30
$2,338 SGD
$1,829 USD
View
1 more retailer has this diamond
Prices start from $1,768 SGDSave up to $570 SGD

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
$1,768 SGD