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Radiant|Lab Grown|IGI

1.71ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG825652793

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

Certificate IGI LG825652793

Diamond specifications and retailer prices

From €522 EUR
$583 USD
As of October 30, 2026
Save €4,115 EUR (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €4,637 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.71ct lab-grown radiant diamond

This 1.71ct 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 LG825652793 or 825652793. Listed at 16 retailers as of October 30, 2026, with prices from €522 to €4,637, a €4,115 spread on the same certified stone. Do Amore Diamonds lists it at €4,637. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825652793
Dimensions8.57 × 5.95 × 3.97 mm
L/W Ratio1.44
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
8.57 mm5.95 mm1.71 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825652793
Side View
Table 62.0%Crown 37.6°Girdle: MediumPavilion 34.8°Culet: NoneDepth 66.7%

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 30
Current: €4,637 EUR|Low: €522 EUR|High: €5,066 EUR|Avg: €1,955 EUR
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 18
October 30, 2026
Retailer 14€522 EUR
Retailer 7€584 EUR
Retailer 17€764 EUR
Retailer 13€779 EUR
Retailer 3€966 EUR
Retailer 16€994 EUR
Retailer 11€1,110 EUR
Retailer 8€1,131 EUR
Retailer 18€1,606 EUR
Retailer 6€1,815 EUR
Retailer 4€1,879 EUR
Retailer 9€2,259 EUR
Retailer 10€2,487 EUR
Retailer 5€2,819 EUR
Retailer 15€3,023 EUR
Retailer 2€3,401 EUR
Retailer 12€3,630 EUR
Do Amore Diamonds€4,637 EUR

33 data points across 18 retailers

16 retailers€522 EUR to €4,637 EUR

A
Cheapest Retailer
-
€522 EUR
$583 USD
A
Retailer 2
-
€584 EUR
$653 USD
View
A
Retailer 3
-
€764 EUR
$853 USD
View
A
Retailer 4
-
€779 EUR
$870 USD
View
A
Retailer 5
-
€966 EUR
$1,079 USD
View
A
Retailer 6
-
€994 EUR
$1,111 USD
View
A
Retailer 7
-
€999 EUR
$1,116 USD
View
B+
Retailer 8
-
€1,606 EUR
$1,794 USD
View
B+
Retailer 9
-
€1,815 EUR
$2,028 USD
View
B+
Retailer 10
-
€1,879 EUR
$2,099 USD
View
Retailer 11
-
€2,259 EUR
$2,524 USD
View
Price last confirmed 15 days ago
B
Retailer 12
-
€2,819 EUR
£2,480 GBP
View
B
Retailer 13
-
€3,023 EUR
$3,377 USD
View
B
Retailer 14
-
€3,401 EUR
$3,800 USD
View
B
Retailer 15
-
€3,630 EUR
$4,055 USD
View
Most Expensive
B
Do Amore Diamonds
27-1AF18A6C7 · Oct 31
€4,637 EUR
$5,180 USD
View
15 more retailers have this diamond
Prices start from €522 EURSave up to €4,115 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
1.71ct Radiant
€522 EUR