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Round|Lab Grown|IGI

4.00ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG847640280

Shape and cutting style on the report: Round brilliant

Certificate IGI LG847640280

Diamond specifications and retailer prices

From $1,241 CAD
€846 EUR
As of October 29, 2026
Save $1,787 CAD (59%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,171 CAD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 4ct lab-grown round diamond

This 4ct 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 LG847640280 or 847640280. Listed at 4 retailers as of October 29, 2026, with a 144% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.00
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847640280
Dimensions10.44 × 10.35 × 6.06 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.44 mm10.35 mm4.00 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847640280
Side View
Table 61.0%Crown 32.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 58.3%

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: Oct 29
Current: $3,171 CAD|Low: $1,238 CAD|High: $3,171 CAD|Avg: $2,270 CAD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 2$1,241 CAD
Retailer 4$1,391 CAD
Retailer 3$3,028 CAD
Rare Carat$3,171 CAD

4 data points across 4 retailers

4 retailers$1,241 CAD to $3,028 CAD

A
Cheapest Retailer
-
$1,241 CAD
€846 EUR
A
Retailer 2
-
$1,391 CAD
$996 USD
View
B
Retailer 3
-
$3,028 CAD
£1,707 GBP
View
Most Expensive
Rare Carat
LGRD40-176344 · Oct 21
$3,171 CAD
$2,270 USD
View
Price last confirmed 10 days ago
3 more retailers have this diamond
Prices start from $1,241 CADSave up to $1,787 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
4.00ct Round
$1,241 CAD