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Radiant|Lab Grown|IGI

1.27ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG831604107

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

Certificate IGI LG831604107

Diamond specifications and retailer prices

From €330 EUR
As of November 4, 2026
Save €2,610 EUR (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €2,940 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.27ct lab-grown radiant diamond

This 1.27ct 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 LG831604107 or 831604107. Listed at 16 retailers as of November 4, 2026, with prices from €330 to €2,940, a €2,610 spread on the same certified stone. Brilliant Earth lists it at €2,940. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604107
Dimensions7.86 × 5.25 × 3.47 mm
L/W Ratio1.50
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
7.86 mm5.25 mm1.27 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604107
Side View
Table 65.0%Crown 42.9°Girdle: MediumPavilion 32.3°Culet: NoneDepth 66.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €2,940 EUR|Low: €330 EUR|High: €2,940 EUR|Avg: €1,028 EUR
Brilliant Earth
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 5€330 EUR
Retailer 2€374 EUR
Retailer 4€399 EUR
Retailer 8€499 EUR
Retailer 14€503 EUR
Retailer 12€631 EUR
Retailer 16€634 EUR
Retailer 9€648 EUR
Retailer 15€771 EUR
Retailer 11€867 EUR
Retailer 6€1,171 EUR
Retailer 3€1,214 EUR
Retailer 7€1,320 EUR
Retailer 13€1,436 EUR
Retailer 10€1,461 EUR
Brilliant Earth€2,940 EUR

20 data points across 16 retailers

16 retailers€330 EUR to €2,940 EUR

A
Cheapest Retailer
-
€330 EUR
Final sale: no returns
A
Retailer 2
-
€374 EUR
View
A
Retailer 3
-
€399 EUR
View
A
Retailer 4
-
€499 EUR
View
A
Retailer 5
-
€503 EUR
View
A
Retailer 6
-
€631 EUR
View
A
Retailer 7
-
€634 EUR
View
A
Retailer 8
-
€648 EUR
View
B+
Retailer 9
-
€771 EUR
View
B+
Retailer 10
-
€867 EUR
View
B+
Retailer 11
-
€1,171 EUR
View
B+
Retailer 12
-
€1,214 EUR
View
B+
Retailer 13
-
€1,320 EUR
View
B+
Retailer 14
-
€1,436 EUR
View
B+
Retailer 15
-
€1,461 EUR
View
Most Expensive
B
Brilliant Earth
22154082A · Nov 4
€2,940 EUR
$3,300 USD
View
15 more retailers have this diamond
Prices start from €330 EURSave up to €2,610 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
1.27ct Radiant
€330 EUR