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Radiant|Lab Grown|IGI

1.05ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG618421526

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

Certificate IGI LG618421526

Diamond specifications and retailer prices

From €236 EUR
As of November 4, 2026
Save €1,010 EUR (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,246 EUR at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG618421526 or 618421526. Listed at 22 retailers as of November 4, 2026, with prices from €236 to €1,246, a €1,010 spread on the same certified stone. Reve Diamonds lists it at €1,246. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618421526
Dimensions7.30 × 5.05 × 3.40 mm
L/W Ratio1.45
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
7.30 mm5.05 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618421526
Side View
Table 62.0%Crown 44.6°Girdle: MediumPavilion 35.2°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €555 EUR|Low: €226 EUR|High: €1,187 EUR|Avg: €522 EUR|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 15€236 EUR
Retailer 7€264 EUR
Retailer 4€273 EUR
Retailer 2€293 EUR
Retailer 5€293 EUR
Retailer 12€413 EUR
Retailer 13€435 EUR
Retailer 11€501 EUR
Retailer 10€504 EUR
Retailer 6€509 EUR
Retailer 1€555 EUR
Retailer 8€717 EUR
Retailer 14€899 EUR
Retailer 3€941 EUR
Retailer 9€1,172 EUR

44 data points across 15 retailers

22 retailers€236 EUR to €1,246 EUR

A
Cheapest Retailer
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€236 EUR
A
Retailer 2
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€264 EUR
View
Final sale: no returns
A
Retailer 3
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€273 EUR
View
A
Retailer 4
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€293 EUR
View
Retailer 5
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€293 EUR
View
Price last confirmed 11 days ago
A
Retailer 6
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€329 EUR
View
A
Retailer 7
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€413 EUR
View
A
Retailer 8
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€435 EUR
View
A
Retailer 9
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€501 EUR
View
A
Retailer 10
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€504 EUR
View
A
Retailer 11
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€509 EUR
View
A
Retailer 12
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€541 EUR
View
B+
Retailer 13
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€555 EUR
View
B+
Retailer 14
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€717 EUR
View
B+
Retailer 15
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€786 EUR
View
B+
Retailer 16
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€899 EUR
View
B
Retailer 17
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€941 EUR
View
B
Retailer 18
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€985 EUR
View
B
Retailer 19
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€1,136 EUR
View
B
Retailer 20
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€1,172 EUR
View
B
Retailer 21
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€1,177 EUR
View
Most Expensive
B
Reve Diamonds
11A87E392 · Nov 4
€1,246 EUR
$1,404 USD
View
21 more retailers have this diamond
Prices start from €236 EURSave up to €1,010 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
1.05ct Radiant
€236 EUR