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Round|Lab Grown|IGI

1.35ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG660459305

Certificate IGI LG660459305

Diamond specifications and retailer prices

From $897 CAD
As of November 6, 2026
Save $346 CAD (28%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,243 CAD at Zales · As of November 4, 2026
View at Zales

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660459305 or 660459305. Listed at 3 retailers as of November 4, 2026, with prices from $897 to $1,243, a $346 spread on the same certified stone. Zales lists it at $1,243. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG660459305
Dimensions7.12 × 7.15 mm
L/W Ratio1.00
Top View
7.12 mm7.15 mm1.35 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660459305
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $897 CAD|Low: $897 CAD|High: $2,095 CAD|Avg: $1,556 CAD|-57.2%
Retailer 1
Retailer 2
Zales
November 6, 2026
Retailer 1$897 CAD
Retailer 2$1,243 CAD
Zales$1,243 CAD

8 data points across 3 retailers

3 retailers$897 CAD to $1,243 CAD

B+
Cheapest Retailer
-
$897 CAD
B
Retailer 2
-
$1,243 CAD
View
Most Expensive
B
Zales
523919542 · Nov 4
$1,243 CAD
$890 USD
View
2 more retailers have this diamond
Prices start from $897 CADSave up to $346 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
$897 CAD