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Radiant|Lab Grown|IGI

1.56ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG818681522

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

Certificate IGI LG818681522

Diamond specifications and retailer prices

From €712 EUR
$795 USD
As of October 31, 2026
Save €3,531 EUR (83%) vs most expensive(unlock to see where)
14 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 LG818681522 or 818681522. Listed at 14 retailers as of October 31, 2026, with prices from €712 to €4,243, a €3,531 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 angle40°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681522
Dimensions8.33 × 5.75 × 3.95 mm
L/W Ratio1.45
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
8.33 mm5.75 mm1.56 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681522
Side View
Table 63.0%Crown 40°Girdle: Slightly ThickPavilion 36.5°Culet: NoneDepth 68.7%

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: Oct 31
Current: €4,243 EUR|Low: €649 EUR|High: €4,610 EUR|Avg: €2,208 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 9€712 EUR
Retailer 12€818 EUR
Retailer 10€917 EUR
Retailer 7€1,012 EUR
Retailer 2€1,050 EUR
Retailer 11€1,530 EUR
Retailer 3€2,061 EUR
Retailer 6€2,857 EUR
Retailer 5€3,008 EUR
Retailer 4€3,025 EUR
Retailer 8€3,316 EUR
Do Amore Diamonds€4,243 EUR

29 data points across 12 retailers

14 retailers€712 EUR to €4,243 EUR

Retailer 1
-
€516 EUR
$576 USD
Price last confirmed 15 days ago
Retailer 2
-
€577 EUR
$645 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
€712 EUR
$795 USD
View
A
Retailer 4
-
€818 EUR
$914 USD
View
A
Retailer 5
-
€911 EUR
$1,018 USD
View
A
Retailer 6
-
€917 EUR
$1,024 USD
View
B+
Retailer 7
-
€1,050 EUR
View
B+
Retailer 8
-
€1,530 EUR
$1,709 USD
View
Retailer 9
-
€1,682 EUR
$1,879 USD
View
Price last confirmed 15 days ago
Retailer 10
-
€2,061 EUR
$2,303 USD
View
Price last confirmed 16 days ago
B
Retailer 11
-
€2,857 EUR
£2,513 GBP
View
B
Retailer 12
-
€3,008 EUR
$3,360 USD
View
B
Retailer 13
-
€3,316 EUR
$3,705 USD
View
Most Expensive
B
Do Amore Diamonds
27-4BFC466F1 · Oct 31
€4,243 EUR
$4,740 USD
View
13 more retailers have this diamond
Prices start from €712 EURSave up to €3,531 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
€712 EUR