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3.55ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 1488082996

Certificate GIA 1488082996

Diamond specifications and retailer prices

From $1,648 CAD
$1,180 USD
As of October 29, 2026
Save $4,722 CAD (74%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,370 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.55ct lab-grown round diamond

This 3.55ct 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 GIA 1488082996. Listed at 5 retailers as of October 29, 2026, with prices from $1,648 to $6,370, a $4,722 spread on the same certified stone. Brilliant Earth lists it at $6,370. 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

3.55
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 1488082996
Dimensions9.88 × 9.85 × 5.94 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Girdle conditionFaceted
Cert comments
This is a man-made diamond produced by CVD (Chemical Vapor Deposition) growth process and has evidence of post-growth treatments to change the color.
Key to symbols
Growth Remnant
Top View
9.88 mm9.85 mm3.55 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1488082996
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.2%

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: $6,370 CAD|Low: $1,648 CAD|High: $6,719 CAD|Avg: $4,016 CAD|-5.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 4$1,648 CAD
Retailer 2$2,665 CAD
Retailer 3$6,094 CAD
Brilliant Earth$6,370 CAD

15 data points across 4 retailers

5 retailers$1,648 CAD to $6,370 CAD

A
Cheapest Retailer
-
$1,648 CAD
$1,180 USD
Final sale: no returns
B+
Retailer 2
-
$2,665 CAD
£1,502 GBP
View
B
Retailer 3
-
$3,537 CAD
$2,532 USD
View
B
Retailer 4
-
$6,094 CAD
£3,435 GBP
View
Most Expensive
B
Brilliant Earth
8686683A · Oct 29
$6,370 CAD
$4,560 USD
View
4 more retailers have this diamond
Prices start from $1,648 CADSave up to $4,722 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
3.55ct Round
$1,648 CAD