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Radiant|Lab Grown|IGI

1.56ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG830625504

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

Certificate IGI LG830625504

Diamond specifications and retailer prices

From €478 EUR
$534 USD
As of October 30, 2026
Save €3,765 EUR (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €4,243 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.56ct lab-grown radiant diamond

This 1.56ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830625504 or 830625504. Listed at 17 retailers as of October 30, 2026, with prices from €478 to €4,243, a €3,765 spread on the same certified stone. Do Amore Diamonds lists it at €4,243. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830625504
Dimensions8.18 × 5.61 × 3.94 mm
L/W Ratio1.46
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
8.18 mm5.61 mm1.56 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830625504
Side View
Table 63.0%Crown 42.5°Girdle: Slightly ThickPavilion 36.7°Culet: NoneDepth 70.2%

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 30
Current: €4,243 EUR|Low: €478 EUR|High: €4,610 EUR|Avg: €1,879 EUR
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 18
October 31, 2026
Retailer 16€478 EUR
Retailer 8€535 EUR
Retailer 3€710 EUR
Retailer 15€712 EUR
Retailer 5€818 EUR
Retailer 18€917 EUR
Retailer 13€1,012 EUR
Retailer 2€1,050 EUR
Retailer 4€1,530 EUR
Retailer 7€1,681 EUR
Retailer 6€1,721 EUR
Retailer 9€2,061 EUR
Retailer 17€2,650 EUR
Retailer 12€2,857 EUR
Retailer 11€3,008 EUR
Retailer 10€3,025 EUR
Retailer 14€3,316 EUR
Do Amore Diamonds€4,243 EUR

35 data points across 18 retailers

17 retailers€478 EUR to €4,243 EUR

A
Cheapest Retailer
-
€478 EUR
$534 USD
A
Retailer 2
-
€535 EUR
$598 USD
View
A
Retailer 3
-
€710 EUR
$793 USD
View
A
Retailer 4
-
€712 EUR
$795 USD
View
A
Retailer 5
-
€818 EUR
$914 USD
View
A
Retailer 6
-
€911 EUR
$1,018 USD
View
A
Retailer 7
-
€917 EUR
$1,024 USD
View
B+
Retailer 8
-
€1,050 EUR
View
B+
Retailer 9
-
€1,530 EUR
$1,709 USD
View
B
Retailer 10
-
€1,681 EUR
$1,878 USD
View
B+
Retailer 11
-
€1,721 EUR
$1,923 USD
View
Retailer 12
-
€2,061 EUR
$2,303 USD
View
Price last confirmed 16 days ago
B
Retailer 13
-
€2,650 EUR
$2,961 USD
View
B
Retailer 14
-
€2,857 EUR
£2,513 GBP
View
B
Retailer 15
-
€3,008 EUR
$3,360 USD
View
B
Retailer 16
-
€3,316 EUR
$3,705 USD
View
Most Expensive
B
Do Amore Diamonds
27-1851107BD · Oct 31
€4,243 EUR
$4,740 USD
View
16 more retailers have this diamond
Prices start from €478 EURSave up to €3,765 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
1.56ct Radiant
€478 EUR