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Round|Lab Grown|IGI

4.56ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG677521454

Shape and cutting style on the report: Round brilliant

Certificate IGI LG677521454

Diamond specifications and retailer prices

From €2,782 EUR
$3,108 USD
As of October 31, 2026
Save €13,724 EUR (83%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: €16,505 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 4.56ct lab-grown round diamond

This 4.56ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG677521454 or 677521454. Listed at 29 retailers as of October 31, 2026, with prices from €2,782 to €16,505, a €13,724 spread on the same certified stone. Do Amore Diamonds lists it at €16,505. 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
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677521454
Dimensions10.56 × 10.61 × 6.58 mm
L/W Ratio1.00
Girdle conditionFaceted
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
10.56 mm10.61 mm4.56 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677521454
Side View
Table 56.0%Crown 35.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.2%

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: Oct 31
Current: €4,935 EUR|Low: €2,685 EUR|High: €11,386 EUR|Avg: €5,947 EUR|+2.7%
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
Retailer 16
November 2, 2026
Retailer 8€2,743 EUR
Retailer 7€2,850 EUR
Retailer 13€3,122 EUR
Retailer 2€4,041 EUR
Retailer 16€4,083 EUR
Retailer 9€4,133 EUR
Retailer 3€4,637 EUR
Retailer 1€4,935 EUR
Retailer 15€5,711 EUR
Retailer 14€6,537 EUR
Retailer 11€6,579 EUR
Retailer 5€6,989 EUR
Retailer 10€7,785 EUR
Retailer 12€9,805 EUR
Retailer 6€11,079 EUR
Retailer 4€11,386 EUR

44 data points across 16 retailers

29 retailers€2,782 EUR to €16,505 EUR

Retailer 1
-
€2,399 EUR
$2,680 USD
Price last confirmed 34 days ago
Retailer 2
-
€2,609 EUR
$2,915 USD
View
Price last confirmed 39 days ago
Retailer 3
-
€2,609 EUR
$2,915 USD
View
Price last confirmed 26 days ago
Retailer 4
-
€2,609 EUR
$2,915 USD
View
Price last confirmed 19 days ago
Retailer 5
-
€2,743 EUR
$3,065 USD
View
Price last confirmed 33 days ago
A
Retailer 6
-
€2,782 EUR
$3,108 USD
View
Retailer 7
-
€2,782 EUR
$3,108 USD
View
Price last confirmed 30 days ago
A
Retailer 8
-
€2,850 EUR
$3,184 USD
View
A
Retailer 9
-
€3,122 EUR
$3,488 USD
View
Final sale: no returns
A
Retailer 10
-
€3,827 EUR
HK$33,400 HKD
View
Retailer 11
-
€3,837 EUR
$4,287 USD
View
Price last confirmed 32 days ago
A
Retailer 12
-
€4,041 EUR
$4,515 USD
View
A
Retailer 13
-
€4,083 EUR
$4,561 USD
View
A
Retailer 14
-
€4,133 EUR
£3,636 GBP
View
A
Retailer 15
-
€4,450 EUR
$4,972 USD
View
A
Retailer 16
-
€4,637 EUR
$5,180 USD
View
A
Retailer 17
-
€4,935 EUR
View
Retailer 18
-
€5,711 EUR
$6,380 USD
View
Price last confirmed 15 days ago
B+
Retailer 19
-
€6,537 EUR
ZAR 117,987 ZAR
View
B+
Retailer 20
-
€6,579 EUR
A$11,308 AUD
View
B+
Retailer 21
-
€6,989 EUR
$7,808 USD
View
B+
Retailer 22
-
€7,674 EUR
$8,574 USD
View
B+
Retailer 23
-
€7,785 EUR
£6,848 GBP
View
B+
Retailer 24
-
€8,082 EUR
$9,029 USD
View
B+
Retailer 25
-
€9,805 EUR
A$16,852 AUD
View
B+
Retailer 26
-
€10,691 EUR
$11,944 USD
View
B
Retailer 27
-
€11,079 EUR
SGD 16,726 SGD
View
B
Retailer 28
-
€11,386 EUR
$12,720 USD
View
Most Expensive
B
Do Amore Diamonds
27-0BEDE994D · Nov 2
€16,505 EUR
$18,440 USD
View
28 more retailers have this diamond
Prices start from €2,782 EURSave up to €13,724 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 Round
€2,782 EUR