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1.06ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG780676250

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780676250

Diamond specifications and retailer prices

From €274 EUR
As of November 6, 2026
Save €153 EUR (36%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €428 EUR at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.06ct lab-grown round diamond

This 1.06ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG780676250 or 780676250. Listed at 3 retailers as of November 5, 2026, with prices from €274 to €428, a €153 spread on the same certified stone. Brilliant Earth lists it at €428. 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

1.06
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780676250
Dimensions6.54 × 6.50 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.54 mm6.50 mm1.06 ctF / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780676250
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €274 EUR|Low: €250 EUR|High: €315 EUR|Avg: €275 EUR|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4€250 EUR
Retailer 3€260 EUR
Retailer 1€274 EUR
Retailer 2€315 EUR

7 data points across 4 retailers

3 retailers€274 EUR to €428 EUR

A
Cheapest Retailer
-
€274 EUR
B+
Retailer 2
-
€315 EUR
View
Most Expensive
B
Brilliant Earth
20603045A · Nov 5
€428 EUR
$480 USD
View
2 more retailers have this diamond
Prices start from €274 EURSave up to €153 EUR

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
1.06ct Round
€274 EUR