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Radiant|Lab Grown|IGI

1.64ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804668362

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

Certificate IGI LG804668362

Diamond specifications and retailer prices

From €510 EUR
$572 USD
As of November 3, 2026
Save €3,333 EUR (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €3,843 EUR at Do Amore Diamonds · As of November 3, 2026
View at Do Amore Diamonds

About this 1.64ct lab-grown radiant diamond

This 1.64ct 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 LG804668362 or 804668362. Listed at 9 retailers as of November 3, 2026, with prices from €510 to €3,843, a €3,333 spread on the same certified stone. Do Amore Diamonds lists it at €3,843. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804668362
Dimensions8.21 × 5.86 × 3.98 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
8.21 mm5.86 mm1.64 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804668362
Side View
Table 66.0%Crown 43.7°Girdle: MediumPavilion 39.8°Culet: NoneDepth 67.9%

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: Nov 3
Current: €3,843 EUR|Low: €445 EUR|High: €4,636 EUR|Avg: €1,840 EUR|-12.2%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 18
November 3, 2026
Retailer 4€445 EUR
Retailer 2€510 EUR
Retailer 15€835 EUR
Retailer 13€838 EUR
Retailer 3€886 EUR
Retailer 18€1,105 EUR
Retailer 6€1,158 EUR
Retailer 5€1,211 EUR
Retailer 10€1,314 EUR
Retailer 11€1,340 EUR
Retailer 17€1,773 EUR
Retailer 7€2,038 EUR
Retailer 8€2,431 EUR
Retailer 12€2,472 EUR
Retailer 9€2,881 EUR
Retailer 14€3,245 EUR
Retailer 16€3,486 EUR
Do Amore Diamonds€3,843 EUR

17 data points across 18 retailers

9 retailers€510 EUR to €3,843 EUR

Cheapest Retailer
-
€510 EUR
$572 USD
Final sale: no returns
A
Retailer 2
-
€835 EUR
$937 USD
View
A
Retailer 3
-
€838 EUR
$940 USD
View
B+
Retailer 4
-
€1,340 EUR
$1,503 USD
View
B+
Retailer 5
-
€1,773 EUR
$1,989 USD
View
B+
Retailer 6
-
€2,472 EUR
£2,183 GBP
View
B
Retailer 7
-
€3,245 EUR
$3,640 USD
View
B
Retailer 8
-
€3,486 EUR
$3,910 USD
View
Most Expensive
B
Do Amore Diamonds
27-457A5424F · Nov 3
€3,843 EUR
$4,310 USD
View
8 more retailers have this diamond
Prices start from €510 EURSave up to €3,333 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
1.64ct Radiant
€510 EUR