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Radiant|Lab Grown|IGI

1.31ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804649668

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

Certificate IGI LG804649668

Diamond specifications and retailer prices

From €265 EUR
As of November 4, 2026
Save €2,319 EUR (90%) vs most expensive(unlock to see where)
21 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 LG804649668 or 804649668. Listed at 21 retailers as of November 4, 2026, with a 876% 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 angle37.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804649668
Dimensions7.73 × 5.35 × 3.67 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
7.73 mm5.35 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804649668
Side View
Table 65.0%Crown 37.6°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 68.6%

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 4
Current: €2,624 EUR|Low: €265 EUR|High: €3,582 EUR|Avg: €1,009 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
Retailer 17
November 5, 2026
Retailer 17€265 EUR
Retailer 2€299 EUR
Retailer 9€429 EUR
Retailer 13€437 EUR
Retailer 12€486 EUR
Retailer 6€524 EUR
Retailer 8€530 EUR
Retailer 11€556 EUR
Retailer 7€581 EUR
Retailer 14€792 EUR
Retailer 4€885 EUR
Retailer 15€901 EUR
Retailer 16€987 EUR
Retailer 3€1,057 EUR
Retailer 5€1,174 EUR
Retailer 10€2,584 EUR
Rare Carat€2,624 EUR

30 data points across 17 retailers

21 retailers€265 EUR to €2,584 EUR

A
Cheapest Retailer
-
€265 EUR
Final sale: no returns
A
Retailer 2
-
€299 EUR
View
Retailer 3
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€332 EUR
View
Price last confirmed 35 days ago
Retailer 4
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€388 EUR
View
Price last confirmed 40 days ago
Retailer 5
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€429 EUR
View
Price last confirmed 34 days ago
A
Retailer 6
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€437 EUR
View
A
Retailer 7
-
€486 EUR
View
A
Retailer 8
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€524 EUR
View
A
Retailer 9
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€530 EUR
View
A
Retailer 10
-
€556 EUR
View
A
Retailer 11
-
€581 EUR
View
B+
Retailer 12
-
€792 EUR
View
B+
Retailer 13
-
€885 EUR
View
B+
Retailer 14
-
€901 EUR
View
B+
Retailer 15
-
€987 EUR
View
B+
Retailer 16
-
€1,057 EUR
View
B+
Retailer 17
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€1,174 EUR
View
Retailer 18
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€1,379 EUR
View
Price last confirmed 37 days ago
B
Retailer 19
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€2,112 EUR
View
B
Retailer 20
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€2,584 EUR
View
Most Expensive
Rare Carat
ACP-208191 · Oct 21
€2,624 EUR
$2,945 USD
View
Price last confirmed 15 days ago
20 more retailers have this diamond
Prices start from €265 EURSave up to €2,319 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
€265 EUR