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1.26ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG666404336

Shape and cutting style on the report: Round brilliant

Certificate IGI LG666404336

Diamond specifications and retailer prices

From €454 EUR
$509 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: €454 EUR at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

About this 1.26ct lab-grown round diamond

This 1.26ct 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 LG666404336 or 666404336. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.26
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG666404336
Dimensions6.92 × 6.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.92 mm6.95 mm1.26 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG666404336
Side View
Table 59.0%Crown 33.5°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: €454 EUR|Low: €444 EUR|High: €666 EUR|Avg: €519 EUR|-31.9%
September 23, 2026
B2C Jewels€454 EUR

4 data points across 1 retailer

1 retailer

B+
B2C Jewels
26650949 · Nov 2
€454 EUR
$509 USD
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B+
1.26ct Round
€454 EUR