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Radiant|Lab Grown|IGI

1.24ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG831687330

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

Certificate IGI LG831687330

Diamond specifications and retailer prices

From €283 EUR
$316 USD
As of October 30, 2026
Save €1,606 EUR (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,889 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.24ct lab-grown radiant diamond

This 1.24ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831687330 or 831687330. Listed at 15 retailers as of October 30, 2026, with prices from €283 to €1,889, a €1,606 spread on the same certified stone. Brilliant Earth lists it at €1,889. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.9°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831687330
Dimensions7.29 × 5.31 × 3.67 mm
L/W Ratio1.37
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
7.29 mm5.31 mm1.24 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831687330
Side View
Table 62.0%Crown 47.9°Girdle: MediumPavilion 35.3°Culet: NoneDepth 69.1%

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: €1,889 EUR|Low: €283 EUR|High: €1,889 EUR|Avg: €710 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
October 30, 2026
Retailer 4€283 EUR
Retailer 3€298 EUR
Retailer 2€307 EUR
Retailer 15€439 EUR
Retailer 13€495 EUR
Retailer 10€512 EUR
Retailer 8€571 EUR
Retailer 11€723 EUR
Retailer 12€915 EUR
Retailer 5€957 EUR
Retailer 14€1,003 EUR
Retailer 6€1,098 EUR
Retailer 9€1,199 EUR
Retailer 7€1,229 EUR
Brilliant Earth€1,889 EUR

6 data points across 15 retailers

15 retailers€283 EUR to €1,889 EUR

A
Cheapest Retailer
-
€283 EUR
$316 USD
Final sale: no returns
A
Retailer 2
-
€298 EUR
$333 USD
View
A
Retailer 3
-
€307 EUR
£270 GBP
View
A
Retailer 4
-
€439 EUR
$490 USD
View
A
Retailer 5
-
€495 EUR
$553 USD
View
A
Retailer 6
-
€512 EUR
ZAR 9,233 ZAR
View
A
Retailer 7
-
€571 EUR
£502 GBP
View
B+
Retailer 8
-
€723 EUR
$808 USD
View
B+
Retailer 9
-
€915 EUR
$1,022 USD
View
B+
Retailer 10
-
€957 EUR
$1,069 USD
View
B+
Retailer 11
-
€1,003 EUR
$1,120 USD
View
B+
Retailer 12
-
€1,098 EUR
SGD 1,658 SGD
View
B
Retailer 13
-
€1,199 EUR
£1,055 GBP
View
B
Retailer 14
-
€1,229 EUR
$1,373 USD
View
Most Expensive
B
Brilliant Earth
22262599A · Oct 30
€1,889 EUR
$2,110 USD
View
14 more retailers have this diamond
Prices start from €283 EURSave up to €1,606 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
1.24ct Radiant
€283 EUR