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Oval|Lab Grown|IGI

1.28ct F IF Oval Lab Grown Diamond

EX • F/IF • IGI LG598350656

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG598350656

Diamond specifications and retailer prices

From €2,309 EUR
$2,580 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: €2,309 EUR at Brilliant Earth
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 Brilliant Earth

About this 1.28ct lab-grown oval diamond

This 1.28ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG598350656 or 598350656. 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. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598350656
Dimensions9.02 × 6.20 × 3.75 mm
L/W Ratio1.45
Girdle conditionFaceted
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
9.02 mm6.20 mm1.28 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598350656
Side View
Table 61.0%Crown 34.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: €2,309 EUR|Low: €2,309 EUR|High: €2,309 EUR|Avg: €2,309 EUR
December 30, 2025
Brilliant Earth€2,309 EUR

4 data points across 1 retailer

1 retailer

B
Brilliant Earth
8269079Y · Nov 2
€2,309 EUR
$2,580 USD
View

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B
1.28ct Oval
€2,309 EUR