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Radiant|Lab Grown|IGI

2.57ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG830624738

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

Certificate IGI LG830624738

Diamond specifications and retailer prices

From €929 EUR
$1,038 USD
As of October 30, 2026
Save €7,324 EUR (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €8,253 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.57ct lab-grown radiant diamond

This 2.57ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830624738 or 830624738. Listed at 16 retailers as of October 30, 2026, with prices from €929 to €8,253, a €7,324 spread on the same certified stone. Do Amore Diamonds lists it at €8,253. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.57
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830624738
Dimensions9.80 × 6.83 × 4.48 mm
L/W Ratio1.43
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
9.80 mm6.83 mm2.57 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830624738
Side View
Table 62.0%Crown 40.2°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 65.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €8,253 EUR|Low: €929 EUR|High: €10,669 EUR|Avg: €4,250 EUR|-22.7%
Do Amore Diamonds
Retailer 2
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Retailer 18
October 31, 2026
Retailer 14€929 EUR
Retailer 4€1,011 EUR
Retailer 16€1,215 EUR
Retailer 13€1,258 EUR
Retailer 12€1,582 EUR
Retailer 15€1,718 EUR
Retailer 7€1,876 EUR
Retailer 2€2,006 EUR
Retailer 18€2,230 EUR
Retailer 17€2,252 EUR
Retailer 6€3,064 EUR
Retailer 3€3,826 EUR
Retailer 8€5,133 EUR
Retailer 11€5,594 EUR
Retailer 5€6,142 EUR
Retailer 9€6,433 EUR
Do Amore Diamonds€8,253 EUR
Retailer 10€8,350 EUR

35 data points across 18 retailers

16 retailers€929 EUR to €8,253 EUR

A
Cheapest Retailer
-
€929 EUR
$1,038 USD
A
Retailer 2
-
€1,011 EUR
$1,129 USD
View
A
Retailer 3
-
€1,215 EUR
$1,357 USD
View
A
Retailer 4
-
€1,258 EUR
$1,405 USD
View
A
Retailer 5
-
€1,423 EUR
$1,590 USD
View
A
Retailer 6
-
€1,718 EUR
$1,919 USD
View
A
Retailer 7
-
€1,876 EUR
$2,096 USD
View
A
Retailer 8
-
€2,006 EUR
View
A
Retailer 9
-
€2,230 EUR
$2,491 USD
View
A
Retailer 10
-
€2,252 EUR
$2,516 USD
View
B+
Retailer 11
-
€3,064 EUR
$3,424 USD
View
B+
Retailer 12
-
€3,826 EUR
£3,366 GBP
View
Retailer 13
-
€5,133 EUR
$5,735 USD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
€5,594 EUR
$6,250 USD
View
B
Retailer 15
-
€6,142 EUR
$6,862 USD
View
Most Expensive
B
Do Amore Diamonds
27-0F12B062A · Oct 31
€8,253 EUR
$9,220 USD
View
15 more retailers have this diamond
Prices start from €929 EURSave up to €7,324 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
2.57ct Radiant
€929 EUR