Radiant|Lab Grown|IGI

2.57ct G IF Radiant Lab Grown Diamond

EX • G/IF • IGI LG661408024

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

Certificate IGI LG661408024

Diamond specifications and retailer prices

From €1,422 EUR
$1,589 USD
As of October 31, 2026
Save €9,355 EUR (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €10,777 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG661408024 or 661408024. Listed at 24 retailers as of October 31, 2026, with prices from €1,422 to €10,777, a €9,355 spread on the same certified stone. Do Amore Diamonds lists it at €10,777. 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
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG661408024
Dimensions9.75 × 6.75 × 4.49 mm
L/W Ratio1.44
Culet sizePointed
Top View
9.75 mm6.75 mm2.57 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG661408024
Side View
Table 65.0%Crown 42.7°Girdle: MediumPavilion 34.9°Culet: NoneDepth 66.5%

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 31
Current: €5,730 EUR|Low: €1,505 EUR|High: €5,807 EUR|Avg: €3,449 EUR|-1.1%
Retailer 1
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
November 1, 2026
Retailer 5€1,567 EUR
Retailer 2€1,705 EUR
Retailer 3€1,818 EUR
Retailer 4€1,818 EUR
Retailer 15€1,969 EUR
Retailer 9€2,507 EUR
Retailer 10€2,759 EUR
Retailer 14€3,058 EUR
Retailer 13€3,733 EUR
Retailer 6€3,761 EUR
Retailer 11€4,189 EUR
Retailer 8€4,763 EUR
Retailer 7€4,898 EUR
Retailer 12€5,177 EUR
Retailer 1€5,730 EUR

36 data points across 15 retailers

24 retailers€1,422 EUR to €10,777 EUR

A
Cheapest Retailer
-
€1,422 EUR
$1,589 USD
A
Retailer 2
-
€1,567 EUR
$1,751 USD
View
A
Retailer 3
-
€1,705 EUR
$1,905 USD
View
A
Retailer 4
-
€1,754 EUR
$1,960 USD
View
Final sale: no returns
A
Retailer 5
-
€1,818 EUR
$2,031 USD
View
Retailer 6
-
€1,818 EUR
$2,031 USD
View
Price last confirmed 20 days ago
A
Retailer 7
-
€1,827 EUR
$2,041 USD
View
A
Retailer 8
-
€1,969 EUR
$2,200 USD
View
B+
Retailer 9
-
€2,507 EUR
£2,205 GBP
View
B+
Retailer 10
-
€2,555 EUR
$2,854 USD
View
B+
Retailer 11
-
€2,759 EUR
£2,427 GBP
View
B+
Retailer 12
-
€3,058 EUR
$3,416 USD
View
Retailer 13
-
€3,149 EUR
$3,518 USD
View
Price last confirmed 9 days ago
Retailer 14
-
€3,733 EUR
$4,170 USD
View
Price last confirmed 11 days ago
B
Retailer 15
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€3,761 EUR
$4,202 USD
View
B
Retailer 16
-
€3,806 EUR
£3,348 GBP
View
B
Retailer 17
-
€4,189 EUR
$4,680 USD
View
B
Retailer 18
-
€4,763 EUR
A$8,186 AUD
View
B
Retailer 19
-
€4,898 EUR
$5,472 USD
View
B
Retailer 20
-
€5,177 EUR
ZAR 93,431 ZAR
View
B
Retailer 21
-
€5,434 EUR
$6,071 USD
View
B
Retailer 22
-
€5,730 EUR
£5,041 GBP
View
B
Retailer 23
-
€7,025 EUR
$7,848 USD
View
Most Expensive
B
Do Amore Diamonds
27-B880BE45E · Oct 31
€10,777 EUR
$12,040 USD
View
23 more retailers have this diamond
Prices start from €1,422 EURSave up to €9,355 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
€1,422 EUR