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Radiant|Lab Grown|IGI

1.70ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784645655

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

Certificate IGI LG784645655

Diamond specifications and retailer prices

From €454 EUR
$507 USD
As of October 30, 2026
Save €3,574 EUR (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,028 EUR at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.7ct lab-grown radiant diamond

This 1.7ct 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 LG784645655 or 784645655. Listed at 14 retailers as of October 30, 2026, with prices from €454 to €4,028, a €3,574 spread on the same certified stone. Do Amore Diamonds lists it at €4,028. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645655
Dimensions8.56 × 5.94 × 3.89 mm
L/W Ratio1.44
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
8.56 mm5.94 mm1.70 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645655
Side View
Table 62.0%Crown 40.3°Girdle: MED-STKPavilion 33.5°Culet: NoneDepth 65.5%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €4,028 EUR|Low: €446 EUR|High: €4,986 EUR|Avg: €1,833 EUR|-18.5%
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
October 31, 2026
Retailer 10€454 EUR
Retailer 3€508 EUR
Retailer 6€625 EUR
Retailer 7€685 EUR
Retailer 12€687 EUR
Retailer 11€875 EUR
Retailer 5€939 EUR
Retailer 2€996 EUR
Retailer 13€1,453 EUR
Retailer 14€1,634 EUR
Retailer 9€2,712 EUR
Retailer 8€3,383 EUR
Retailer 4€3,607 EUR
Do Amore Diamonds€4,028 EUR

36 data points across 14 retailers

14 retailers€454 EUR to €4,028 EUR

A+
Cheapest Retailer
-
€454 EUR
$507 USD
A
Retailer 2
-
€508 EUR
$568 USD
View
A
Retailer 3
-
€625 EUR
$698 USD
View
Final sale: no returns
A
Retailer 4
-
€685 EUR
$765 USD
View
A
Retailer 5
-
€687 EUR
$768 USD
View
A
Retailer 6
-
€875 EUR
$977 USD
View
A
Retailer 7
-
€939 EUR
$1,049 USD
View
A
Retailer 8
-
€996 EUR
View
B+
Retailer 9
-
€1,453 EUR
$1,623 USD
View
B+
Retailer 10
-
€1,634 EUR
$1,826 USD
View
B
Retailer 11
-
€2,712 EUR
£2,386 GBP
View
B
Retailer 12
-
€3,383 EUR
$3,780 USD
View
B
Retailer 13
-
€3,607 EUR
$4,030 USD
View
Most Expensive
B
Do Amore Diamonds
27-040B88D2D · Oct 30
€4,028 EUR
$4,500 USD
View
13 more retailers have this diamond
Prices start from €454 EURSave up to €3,574 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+
1.70ct Radiant
€454 EUR