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Radiant|Lab Grown|IGI

1.63ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG816623867

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

Certificate IGI LG816623867

Diamond specifications and retailer prices

From €506 EUR
$568 USD
As of November 3, 2026
Save €3,310 EUR (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,816 EUR at Do Amore Diamonds · As of November 3, 2026
View at Do Amore Diamonds

About this 1.63ct lab-grown radiant diamond

This 1.63ct 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 LG816623867 or 816623867. Listed at 10 retailers as of November 3, 2026, with prices from €506 to €3,816, a €3,310 spread on the same certified stone. Do Amore Diamonds lists it at €3,816. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816623867
Dimensions8.23 × 5.89 × 3.89 mm
L/W Ratio1.40
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
8.23 mm5.89 mm1.63 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816623867
Side View
Table 67.0%Crown 46°Girdle: MediumPavilion 35.1°Culet: NoneDepth 66.0%

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: Nov 3
Current: €3,816 EUR|Low: €442 EUR|High: €4,609 EUR|Avg: €1,800 EUR|-12.3%
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
Retailer 16
November 3, 2026
Retailer 5€442 EUR
Retailer 2€506 EUR
Retailer 10€622 EUR
Retailer 14€832 EUR
Retailer 12€834 EUR
Retailer 3€1,098 EUR
Retailer 7€1,146 EUR
Retailer 6€1,203 EUR
Retailer 9€1,332 EUR
Retailer 16€1,764 EUR
Retailer 4€2,025 EUR
Retailer 8€2,417 EUR
Retailer 11€2,457 EUR
Retailer 13€3,228 EUR
Retailer 15€3,468 EUR
Do Amore Diamonds€3,816 EUR

22 data points across 16 retailers

10 retailers€506 EUR to €3,816 EUR

Cheapest Retailer
-
€506 EUR
$568 USD
Final sale: no returns
A
Retailer 2
-
€622 EUR
£550 GBP
View
A
Retailer 3
-
€832 EUR
$933 USD
View
A
Retailer 4
-
€834 EUR
$935 USD
View
B+
Retailer 5
-
€1,332 EUR
$1,494 USD
View
B+
Retailer 6
-
€1,764 EUR
$1,979 USD
View
B+
Retailer 7
-
€2,457 EUR
£2,170 GBP
View
B
Retailer 8
-
€3,228 EUR
$3,620 USD
View
B
Retailer 9
-
€3,468 EUR
$3,890 USD
View
Most Expensive
B
Do Amore Diamonds
27-746C3AFEF · Nov 3
€3,816 EUR
$4,280 USD
View
9 more retailers have this diamond
Prices start from €506 EURSave up to €3,310 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
1.63ct Radiant
€506 EUR