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Radiant|Lab Grown|IGI

1.71ct D FL Radiant Lab Grown Diamond

VG • D/FL • IGI LG800677445

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

Certificate IGI LG800677445

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)
14 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 very-good cut grade and certified by IGI LG800677445 or 800677445. Listed at 14 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. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.71
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677445
Dimensions8.21 × 5.84 × 4.15 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
8.21 mm5.84 mm1.71 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677445
Side View
Table 60.0%Crown 42.9°Girdle: Slightly ThickPavilion 36.4°Culet: NoneDepth 71.1%

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: €495 EUR|High: €5,496 EUR|Avg: €1,973 EUR|-15.6%
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 9€522 EUR
Retailer 14€584 EUR
Retailer 6€693 EUR
Retailer 11€764 EUR
Retailer 4€779 EUR
Retailer 5€966 EUR
Retailer 10€994 EUR
Retailer 2€1,146 EUR
Retailer 12€1,606 EUR
Retailer 13€1,879 EUR
Retailer 8€2,831 EUR
Retailer 7€3,401 EUR
Retailer 3€3,630 EUR
Do Amore Diamonds€4,637 EUR

33 data points across 14 retailers

14 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
-
€693 EUR
$774 USD
View
Final sale: no returns
A
Retailer 4
-
€764 EUR
$853 USD
View
A
Retailer 5
-
€779 EUR
$870 USD
View
B+
Retailer 6
-
€966 EUR
$1,079 USD
View
A
Retailer 7
-
€994 EUR
$1,111 USD
View
B+
Retailer 8
-
€1,146 EUR
View
B+
Retailer 9
-
€1,606 EUR
$1,794 USD
View
B
Retailer 10
-
€1,879 EUR
$2,099 USD
View
B
Retailer 11
-
€2,831 EUR
£2,490 GBP
View
B
Retailer 12
-
€3,401 EUR
$3,800 USD
View
B
Retailer 13
-
€3,630 EUR
$4,055 USD
View
Most Expensive
B
Do Amore Diamonds
27-48CE8E38E · Oct 31
€4,637 EUR
$5,180 USD
View
13 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