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Radiant|Lab Grown|IGI

1.46ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG729529443

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

Certificate IGI LG729529443

Diamond specifications and retailer prices

From €306 EUR
As of November 4, 2026
Save €3,200 EUR (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €3,506 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.46ct lab-grown radiant diamond

This 1.46ct 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 LG729529443 or 729529443. Listed at 24 retailers as of November 4, 2026, with prices from €306 to €3,506, a €3,200 spread on the same certified stone. Brilliant Earth lists it at €3,506. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.46
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729529443
Dimensions8.00 × 5.60 × 3.70 mm
L/W Ratio1.43
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
8.00 mm5.60 mm1.46 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729529443
Side View
Table 70.0%Crown 44.3°Girdle: ThickPavilion 35.4°Culet: NoneDepth 66.1%

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: €3,506 EUR|Low: €295 EUR|High: €3,506 EUR|Avg: €1,040 EUR
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 4€306 EUR
Retailer 5€380 EUR
Retailer 9€391 EUR
Retailer 7€510 EUR
Retailer 14€515 EUR
Retailer 12€588 EUR
Retailer 11€655 EUR
Retailer 2€675 EUR
Retailer 13€888 EUR
Retailer 10€927 EUR
Retailer 6€1,222 EUR
Retailer 3€1,345 EUR
Retailer 8€1,480 EUR
Retailer 15€2,064 EUR
Brilliant Earth€3,506 EUR

39 data points across 15 retailers

24 retailers€306 EUR to €3,506 EUR

A
Cheapest Retailer
-
€306 EUR
A
Retailer 2
-
€343 EUR
View
Final sale: no returns
A
Retailer 3
-
€356 EUR
View
Retailer 4
-
€380 EUR
View
Price last confirmed 11 days ago
A
Retailer 5
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€380 EUR
View
A
Retailer 6
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€391 EUR
View
A
Retailer 7
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€510 EUR
View
A
Retailer 8
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€515 EUR
View
A
Retailer 9
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€588 EUR
View
A
Retailer 10
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€605 EUR
View
A
Retailer 11
-
€655 EUR
View
A
Retailer 12
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€675 EUR
View
B+
Retailer 13
-
€888 EUR
View
B+
Retailer 14
-
€927 EUR
View
Retailer 15
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€944 EUR
View
Price last confirmed 10 days ago
B+
Retailer 16
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€981 EUR
View
B+
Retailer 17
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€1,222 EUR
View
B+
Retailer 18
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€1,259 EUR
View
Retailer 19
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€1,345 EUR
View
Price last confirmed 28 days ago
B
Retailer 20
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€1,377 EUR
View
B
Retailer 21
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€1,471 EUR
View
B+
Retailer 22
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€1,480 EUR
View
Retailer 23
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€2,064 EUR
View
Price last confirmed 18 days ago
Most Expensive
B
Brilliant Earth
15699503A · Nov 4
€3,506 EUR
$3,950 USD
View
23 more retailers have this diamond
Prices start from €306 EURSave up to €3,200 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
1.46ct Radiant
€306 EUR