Radiant|Lab Grown|IGI

4.56ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG731531300

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

Certificate IGI LG731531300

Diamond specifications and retailer prices

From €4,534 EUR
$5,048 USD
As of October 27, 2026
Save €26,661 EUR (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €31,196 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.56ct lab-grown radiant diamond

This 4.56ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG731531300 or 731531300. Listed at 23 retailers as of October 27, 2026, with prices from €4,534 to €31,196, a €26,661 spread on the same certified stone. Do Amore Diamonds lists it at €31,196. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.56
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731531300
Dimensions11.72 × 8.08 × 5.51 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
11.72 mm8.08 mm4.56 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731531300
Side View
Table 63.0%Crown 47.1°Girdle: MediumPavilion 32.6°Culet: NoneDepth 68.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: €31,196 EUR|Low: €4,353 EUR|High: €31,196 EUR|Avg: €9,996 EUR
Do Amore Diamonds
Retailer 2
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Retailer 23
October 29, 2026
Retailer 22€4,534 EUR
Retailer 6€4,753 EUR
Retailer 9€4,856 EUR
Retailer 12€5,078 EUR
Retailer 3€5,260 EUR
Retailer 7€5,260 EUR
Retailer 21€5,282 EUR
Retailer 14€5,424 EUR
Retailer 20€6,596 EUR
Retailer 5€6,892 EUR
Retailer 8€7,025 EUR
Retailer 13€7,409 EUR
Retailer 19€7,666 EUR
Retailer 4€8,130 EUR
Retailer 11€8,254 EUR
Retailer 2€11,878 EUR
Retailer 17€12,309 EUR
Retailer 18€12,823 EUR
Retailer 23€13,350 EUR
Retailer 15€14,478 EUR
Retailer 16€20,334 EUR
Retailer 10€20,505 EUR
Do Amore Diamonds€31,196 EUR

41 data points across 23 retailers

23 retailers€4,534 EUR to €31,196 EUR

A
Cheapest Retailer
-
€4,534 EUR
$5,048 USD
A
Retailer 2
-
€4,753 EUR
$5,291 USD
View
A
Retailer 3
-
€4,856 EUR
$5,406 USD
View
A
Retailer 4
-
€5,078 EUR
$5,653 USD
View
Final sale: no returns
A
Retailer 5
-
€5,260 EUR
$5,856 USD
View
A
Retailer 6
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€5,260 EUR
$5,856 USD
View
Price last confirmed 12 days ago
A
Retailer 7
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€5,282 EUR
$5,880 USD
View
A
Retailer 8
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€5,424 EUR
$6,038 USD
View
A
Retailer 9
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€6,596 EUR
$7,343 USD
View
A
Retailer 10
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€6,892 EUR
$7,673 USD
View
A
Retailer 11
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€7,025 EUR
HK$61,100 HKD
View
B+
Retailer 12
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€7,409 EUR
£6,495 GBP
View
B+
Retailer 13
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€7,666 EUR
$8,535 USD
View
B+
Retailer 14
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€8,130 EUR
$9,051 USD
View
B+
Retailer 15
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€8,254 EUR
£7,236 GBP
View
B+
Retailer 16
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€11,878 EUR
£10,412 GBP
View
B+
Retailer 17
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€12,309 EUR
ZAR 221,385 ZAR
View
B
Retailer 18
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€12,823 EUR
A$21,962 AUD
View
B
Retailer 19
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€13,350 EUR
$14,863 USD
View
B
Retailer 20
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€14,478 EUR
$16,119 USD
View
B
Retailer 21
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€20,334 EUR
SGD 30,591 SGD
View
B
Retailer 22
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€20,505 EUR
$22,829 USD
View
Most Expensive
B
Do Amore Diamonds
27-6167FFFBC · Oct 29
€31,196 EUR
$34,730 USD
View
22 more retailers have this diamond
Prices start from €4,534 EURSave up to €26,661 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
4.56ct Radiant
€4,534 EUR