CaratHunter
Plans
Round|Lab Grown|IGI

1.35ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG615357191

Shape and cutting style on the report: Round brilliant

Certificate IGI LG615357191

Diamond specifications and retailer prices

From $2,297 CAD
£1,292 GBP
As of October 29, 2026
Save $109 CAD (5%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,406 CAD at Loose Grown Diamond · As of October 28, 2026
View at Loose Grown Diamond

About this 1.35ct lab-grown round diamond

This 1.35ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG615357191 or 615357191. Listed at 3 retailers as of October 28, 2026, with a relatively tight 5% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.35
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615357191
Dimensions7.12 × 7.08 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.12 mm7.08 mm1.35 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615357191
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,406 CAD|Low: $2,239 CAD|High: $5,158 CAD|Avg: $3,181 CAD|+1.5%
Loose Grown Diamond
Retailer 2
Retailer 3
October 29, 2026
Retailer 2$2,297 CAD
Loose Grown Diamond$2,406 CAD
Retailer 3$5,117 CAD

38 data points across 3 retailers

3 retailers$2,297 CAD to $2,406 CAD

B
Cheapest Retailer
-
$2,297 CAD
£1,292 GBP
Most Expensive
B
Loose Grown Diamond
615357191 · Oct 28
$2,406 CAD
$1,719 USD
View
1 more retailer has this diamond
Prices start from $2,297 CADSave up to $109 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.

B
1.35ct Round
$2,297 CAD