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Radiant|Lab Grown|IGI

1.33ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG623421833

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

Certificate IGI LG623421833

Diamond specifications and retailer prices

From €281 EUR
As of November 4, 2026
Save €2,346 EUR (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €2,627 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.33ct lab-grown radiant diamond

This 1.33ct 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 LG623421833 or 623421833. Listed at 23 retailers as of November 4, 2026, with prices from €281 to €2,627, a €2,346 spread on the same certified stone. Brilliant Earth lists it at €2,627. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.1°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623421833
Dimensions7.27 × 5.55 × 3.76 mm
L/W Ratio1.31
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
7.27 mm5.55 mm1.33 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623421833
Side View
Table 65.0%Crown 48.1°Girdle: MediumPavilion 35.6°Culet: NoneDepth 67.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €2,627 EUR|Low: €270 EUR|High: €2,787 EUR|Avg: €823 EUR|-5.7%
Brilliant Earth
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€281 EUR
Retailer 4€349 EUR
Retailer 7€349 EUR
Retailer 9€359 EUR
Retailer 6€470 EUR
Retailer 14€488 EUR
Retailer 13€544 EUR
Retailer 12€602 EUR
Retailer 2€616 EUR
Retailer 10€857 EUR
Retailer 11€872 EUR
Retailer 5€1,122 EUR
Retailer 3€1,205 EUR
Retailer 8€1,395 EUR
Brilliant Earth€2,627 EUR

40 data points across 15 retailers

23 retailers€281 EUR to €2,627 EUR

A
Cheapest Retailer
-
€281 EUR
A
Retailer 2
-
€314 EUR
View
Final sale: no returns
A
Retailer 3
-
€327 EUR
View
Retailer 4
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€349 EUR
View
Price last confirmed 11 days ago
A
Retailer 5
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€349 EUR
View
A
Retailer 6
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€359 EUR
View
A
Retailer 7
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€470 EUR
View
A
Retailer 8
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€488 EUR
View
A
Retailer 9
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€544 EUR
View
A
Retailer 10
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€572 EUR
View
A
Retailer 11
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€602 EUR
View
A
Retailer 12
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€616 EUR
View
B+
Retailer 13
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€827 EUR
View
B+
Retailer 14
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€857 EUR
View
B+
Retailer 15
-
€872 EUR
View
B+
Retailer 16
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€941 EUR
View
B+
Retailer 17
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€1,122 EUR
View
B+
Retailer 18
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€1,162 EUR
View
Retailer 19
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€1,205 EUR
View
Price last confirmed 28 days ago
B
Retailer 20
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€1,240 EUR
View
B
Retailer 21
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€1,391 EUR
View
B+
Retailer 22
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€1,395 EUR
View
Most Expensive
B
Brilliant Earth
9481162A · Nov 4
€2,627 EUR
$2,960 USD
View
22 more retailers have this diamond
Prices start from €281 EURSave up to €2,346 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
1.33ct Radiant
€281 EUR