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Round|Lab Grown|IGI

1.29ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG854634719

Certificate IGI LG854634719

Diamond specifications and retailer prices

From $321 CAD
As of November 6, 2026
Save $627 CAD (66%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $949 CAD at Taylor and Hart · As of November 6, 2026
View at Taylor and Hart

About this 1.29ct lab-grown round diamond

This 1.29ct 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 LG854634719 or 854634719. Listed at 6 retailers as of November 6, 2026, with prices from $321 to $949, a $627 spread on the same certified stone. Taylor and Hart lists it at $949. 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

1.29
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG854634719
Dimensions6.91 × 6.93 × 4.28 mm
L/W Ratio1.00
Top View
6.91 mm6.93 mm1.29 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG854634719
Side View
Table 58.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.8%

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: Nov 6
Current: $321 CAD|Low: $321 CAD|High: $949 CAD|Avg: $581 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Taylor and Hart
November 6, 2026
Retailer 1$321 CAD
Retailer 4$366 CAD
Retailer 5$469 CAD
Retailer 2$472 CAD
Retailer 3$909 CAD
Taylor and Hart$949 CAD

1 data point across 6 retailers

6 retailers$321 CAD to $949 CAD

A
Cheapest Retailer
-
$321 CAD
B+
Retailer 2
-
$366 CAD
View
A
Retailer 3
-
$469 CAD
View
A
Retailer 4
-
$472 CAD
View
B+
Retailer 5
-
$909 CAD
View
Most Expensive
B
Taylor and Hart
4387DGU · Nov 6
$949 CAD
$679 USD
View
5 more retailers have this diamond
Prices start from $321 CADSave up to $627 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
1.29ct Round
$321 CAD