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Radiant|Lab Grown|IGI

1.31ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG825661384

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

Certificate IGI LG825661384

Diamond specifications and retailer prices

From €283 EUR
As of November 4, 2026
Save €1,935 EUR (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,624 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.31ct lab-grown radiant diamond

This 1.31ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825661384 or 825661384. Listed at 19 retailers as of November 4, 2026, with a 683% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.9°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825661384
Dimensions7.53 × 5.46 × 3.78 mm
L/W Ratio1.38
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
7.53 mm5.46 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825661384
Side View
Table 63.0%Crown 25.9°Girdle: MediumPavilion 38.2°Culet: NoneDepth 69.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €2,624 EUR|Low: €283 EUR|High: €3,582 EUR|Avg: €1,081 EUR|-1.5%
Rare Carat
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 5, 2026
Retailer 3€283 EUR
Retailer 2€311 EUR
Retailer 8€429 EUR
Retailer 12€445 EUR
Retailer 11€502 EUR
Retailer 9€530 EUR
Retailer 6€536 EUR
Retailer 7€581 EUR
Retailer 13€795 EUR
Retailer 5€923 EUR
Retailer 15€934 EUR
Retailer 16€1,022 EUR
Retailer 4€1,098 EUR
Retailer 10€1,214 EUR
Retailer 14€2,218 EUR
Rare Carat€2,624 EUR

33 data points across 16 retailers

19 retailers€283 EUR to €2,218 EUR

A
Cheapest Retailer
-
€283 EUR
Final sale: no returns
A
Retailer 2
-
€311 EUR
View
Retailer 3
-
€332 EUR
View
Price last confirmed 35 days ago
Retailer 4
-
€388 EUR
View
Price last confirmed 40 days ago
Retailer 5
-
€429 EUR
View
Price last confirmed 34 days ago
A
Retailer 6
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€445 EUR
View
A
Retailer 7
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€502 EUR
View
A
Retailer 8
-
€530 EUR
View
A
Retailer 9
-
€536 EUR
View
A
Retailer 10
-
€581 EUR
View
B+
Retailer 11
-
€795 EUR
View
B+
Retailer 12
-
€923 EUR
View
B+
Retailer 13
-
€934 EUR
View
B+
Retailer 14
-
€1,022 EUR
View
B+
Retailer 15
-
€1,098 EUR
View
B+
Retailer 16
-
€1,214 EUR
View
Retailer 17
-
€1,379 EUR
View
Price last confirmed 37 days ago
B
Retailer 18
-
€2,218 EUR
View
Most Expensive
Rare Carat
PD-244044 · Oct 21
€2,624 EUR
$2,945 USD
View
Price last confirmed 15 days ago
18 more retailers have this diamond
Prices start from €283 EURSave up to €1,935 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
1.31ct Radiant
€283 EUR