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Round|Lab Grown|IGI

3.81ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG828668903

Shape and cutting style on the report: Round brilliant

Certificate IGI LG828668903

Diamond specifications and retailer prices

From $541 CAD
$387 USD
As of November 1, 2026
Save $2,274 CAD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,815 CAD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG828668903 or 828668903. Listed at 9 retailers as of October 28, 2026, with prices from $541 to $2,815, a $2,274 spread on the same certified stone. Rare Carat lists it at $2,815. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828668903
Dimensions10.07 × 10.05 × 6.07 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.07 mm10.05 mm3.81 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828668903
Side View
Table 61.0%Crown 33.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,815 CAD|Low: $541 CAD|High: $2,857 CAD|Avg: $1,678 CAD|-1.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9$541 CAD
Retailer 7$605 CAD
Retailer 5$937 CAD
Retailer 3$1,069 CAD
Retailer 6$1,880 CAD
Retailer 4$1,886 CAD
Retailer 8$2,154 CAD
Retailer 2$2,619 CAD
Rare Carat$2,815 CAD

21 data points across 9 retailers

9 retailers$541 CAD to $2,815 CAD

A
Cheapest Retailer
-
$541 CAD
$387 USD
A
Retailer 2
-
$605 CAD
$433 USD
View
Retailer 3
-
$937 CAD
£528 GBP
View
Price last confirmed 15 days ago
A
Retailer 4
-
$1,069 CAD
€729 EUR
View
B+
Retailer 5
-
$1,880 CAD
$1,346 USD
View
B
Retailer 6
-
$1,886 CAD
$1,350 USD
View
B+
Retailer 7
-
$2,154 CAD
$1,542 USD
View
B+
Retailer 8
-
$2,619 CAD
£1,476 GBP
View
Most Expensive
B
Rare Carat
LGRD30-137515 · Oct 28
$2,815 CAD
$2,015 USD
View
8 more retailers have this diamond
Prices start from $541 CADSave up to $2,274 CAD

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.

A
3.81ct Round
$541 CAD