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Radiant|Lab Grown|IGI

1.56ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG780665764

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

Certificate IGI LG780665764

Diamond specifications and retailer prices

From €419 EUR
$468 USD
As of October 30, 2026
Save €3,296 EUR (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €3,715 EUR at Do Amore Diamonds · As of November 1, 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 LG780665764 or 780665764. Listed at 15 retailers as of October 30, 2026, with prices from €419 to €3,715, a €3,296 spread on the same certified stone. Do Amore Diamonds lists it at €3,715. 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 angle38.9°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665764
Dimensions8.08 × 5.75 × 4.02 mm
L/W Ratio1.41
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
8.08 mm5.75 mm1.56 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665764
Side View
Table 64.0%Crown 38.9°Girdle: MediumPavilion 36.4°Culet: NoneDepth 69.9%

Caratlytics Score

How it works →
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: €3,715 EUR|Low: €419 EUR|High: €4,565 EUR|Avg: €1,670 EUR|-17.2%
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
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 10€419 EUR
Retailer 3€469 EUR
Retailer 7€575 EUR
Retailer 5€618 EUR
Retailer 12€651 EUR
Retailer 6€802 EUR
Retailer 11€811 EUR
Retailer 8€919 EUR
Retailer 13€1,395 EUR
Retailer 15€1,496 EUR
Retailer 14€1,506 EUR
Retailer 2€2,391 EUR
Retailer 9€2,873 EUR
Retailer 4€3,316 EUR
Do Amore Diamonds€3,715 EUR

36 data points across 15 retailers

15 retailers€419 EUR to €3,715 EUR

A
Cheapest Retailer
-
€419 EUR
$468 USD
A
Retailer 2
-
€469 EUR
$524 USD
View
A
Retailer 3
-
€575 EUR
$642 USD
View
Final sale: no returns
A
Retailer 4
-
€618 EUR
$690 USD
View
A
Retailer 5
-
€651 EUR
$727 USD
View
A
Retailer 6
-
€802 EUR
$896 USD
View
A
Retailer 7
-
€811 EUR
$906 USD
View
A
Retailer 8
-
€919 EUR
View
B+
Retailer 9
-
€1,395 EUR
$1,558 USD
View
B+
Retailer 10
-
€1,496 EUR
$1,671 USD
View
B+
Retailer 11
-
€1,506 EUR
$1,683 USD
View
B
Retailer 12
-
€2,391 EUR
£2,103 GBP
View
B
Retailer 13
-
€2,873 EUR
$3,210 USD
View
B
Retailer 14
-
€3,316 EUR
$3,705 USD
View
Most Expensive
B
Do Amore Diamonds
27-291578E5F · Nov 1
€3,715 EUR
$4,150 USD
View
14 more retailers have this diamond
Prices start from €419 EURSave up to €3,296 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
€419 EUR