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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 $1,102 SGD
€821 EUR
As of October 29, 2026
Save $3,206 SGD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,308 SGD 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 $1,102 to $4,308, a $3,206 spread on the same certified stone. Brilliant Earth lists it at $4,308. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,308 SGD|Low: $440 SGD|High: $4,730 SGD|Avg: $1,690 SGD|-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$616 SGD
Retailer 3$1,102 SGD
Retailer 7$1,125 SGD
Retailer 8$1,244 SGD
Retailer 9$1,286 SGD
Retailer 2$1,329 SGD
Retailer 6$1,471 SGD
Retailer 4$2,067 SGD
Retailer 5$3,361 SGD
Brilliant Earth$4,308 SGD

38 data points across 10 retailers

13 retailers$1,102 SGD to $4,308 SGD

Retailer 1
-
$550 SGD
$430 USD
Price last confirmed 37 days ago
Retailer 2
-
$616 SGD
$482 USD
View
Price last confirmed 37 days ago
Retailer 3
-
$674 SGD
$527 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$1,102 SGD
€821 EUR
View
A
Retailer 5
-
$1,125 SGD
$880 USD
View
B+
Retailer 6
-
$1,244 SGD
$973 USD
View
A
Retailer 7
-
$1,286 SGD
$1,006 USD
View
B+
Retailer 8
-
$1,329 SGD
£819 GBP
View
B+
Retailer 9
-
$1,471 SGD
$1,151 USD
View
B
Retailer 10
-
$2,067 SGD
$1,617 USD
View
Retailer 11
-
$2,194 SGD
$1,716 USD
View
Price last confirmed 33 days ago
B
Retailer 12
-
$3,361 SGD
£2,070 GBP
View
Most Expensive
B
Brilliant Earth
7626284A · Oct 29
$4,308 SGD
$3,370 USD
View
12 more retailers have this diamond
Prices start from $1,102 SGDSave up to $3,206 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.

A
3.57ct Round
$1,102 SGD