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Radiant|Lab Grown|IGI

1.28ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG770634043

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG770634043

Diamond specifications and retailer prices

From €2,112 EUR
$2,360 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: €2,112 EUR at Shane Co
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 Shane Co

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG770634043 or 770634043. Listed at a single retailer as of October 30, 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
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770634043
Dimensions7.87 × 5.33 × 3.60 mm
L/W Ratio1.48
Culet sizePointed
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
7.87 mm5.33 mm1.28 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770634043
Side View
Table 62.0%Crown 45.2°Girdle: MediumPavilion 36.2°Culet: NoneDepth 67.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: €1,314 EUR|Low: €197 EUR|High: €2,309 EUR|Avg: €938 EUR|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Shane Co
September 18, 2026
Retailer 9€197 EUR
Retailer 6€435 EUR
Retailer 11€534 EUR
Retailer 4€636 EUR
Retailer 5€658 EUR
Retailer 3€867 EUR
Retailer 10€1,168 EUR
Retailer 1€1,314 EUR
Retailer 8€1,364 EUR
Retailer 7€1,377 EUR
Retailer 2€1,944 EUR
Shane Co€2,112 EUR

16 data points across 12 retailers

1 retailer

B
Shane Co
26E0TPZ · Oct 30
€2,112 EUR
$2,360 USD
View

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B
1.28ct Radiant
€2,112 EUR