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Round|Lab Grown|IGI

3.57ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG582385318

Shape and cutting style on the report: Round brilliant

Certificate IGI LG582385318

Diamond specifications and retailer prices

From $1,204 CAD
€821 EUR
As of October 29, 2026
Save $3,503 CAD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,708 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.57ct lab-grown round diamond

This 3.57ct 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 LG582385318 or 582385318. Listed at 13 retailers as of October 29, 2026, with prices from $1,204 to $4,708, a $3,503 spread on the same certified stone. Brilliant Earth lists it at $4,708. 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

3.57
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582385318
Dimensions9.75 × 9.80 × 6.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.75 mm9.80 mm3.57 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582385318
Side View
Table 58.0%Crown 35.2°Girdle: MediumPavilion 41°Culet: NoneDepth 61.6%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $4,708 CAD|Low: $481 CAD|High: $5,169 CAD|Avg: $1,847 CAD|-8.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 10$673 CAD
Retailer 3$1,204 CAD
Retailer 7$1,229 CAD
Retailer 8$1,359 CAD
Retailer 9$1,405 CAD
Retailer 2$1,453 CAD
Retailer 6$1,608 CAD
Retailer 4$2,259 CAD
Retailer 5$3,672 CAD
Brilliant Earth$4,708 CAD

38 data points across 10 retailers

13 retailers$1,204 CAD to $4,708 CAD

Retailer 1
-
$601 CAD
$430 USD
Price last confirmed 37 days ago
Retailer 2
-
$673 CAD
$482 USD
View
Price last confirmed 37 days ago
Retailer 3
-
$736 CAD
$527 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$1,204 CAD
€821 EUR
View
A
Retailer 5
-
$1,229 CAD
$880 USD
View
B+
Retailer 6
-
$1,359 CAD
$973 USD
View
A
Retailer 7
-
$1,405 CAD
$1,006 USD
View
B+
Retailer 8
-
$1,453 CAD
£819 GBP
View
B+
Retailer 9
-
$1,608 CAD
$1,151 USD
View
B
Retailer 10
-
$2,259 CAD
$1,617 USD
View
Retailer 11
-
$2,397 CAD
$1,716 USD
View
Price last confirmed 34 days ago
B
Retailer 12
-
$3,672 CAD
£2,070 GBP
View
Most Expensive
B
Brilliant Earth
7626284A · Oct 29
$4,708 CAD
$3,370 USD
View
12 more retailers have this diamond
Prices start from $1,204 CADSave up to $3,503 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
3.57ct Round
$1,204 CAD