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Radiant|Lab Grown|IGI

2.58ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804666686

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

Certificate IGI LG804666686

Diamond specifications and retailer prices

From €1,731 EUR
$1,934 USD
As of October 30, 2026
Save €6,996 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €8,727 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.58ct lab-grown radiant diamond

This 2.58ct 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 LG804666686 or 804666686. Listed at 11 retailers as of October 30, 2026, with prices from €1,731 to €8,727, a €6,996 spread on the same certified stone. Brilliant Earth lists it at €8,727. 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

2.58
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804666686
Dimensions9.78 × 6.91 × 4.47 mm
L/W Ratio1.42
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
9.78 mm6.91 mm2.58 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804666686
Side View
Table 65.0%Crown 42.1°Girdle: ThickPavilion 33.7°Culet: NoneDepth 64.7%

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: €8,727 EUR|Low: €1,731 EUR|High: €9,031 EUR|Avg: €4,301 EUR|-3.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7€1,731 EUR
Retailer 11€1,902 EUR
Retailer 4€2,183 EUR
Retailer 10€2,354 EUR
Retailer 2€2,508 EUR
Retailer 6€2,526 EUR
Retailer 9€4,064 EUR
Retailer 5€4,477 EUR
Retailer 8€5,482 EUR
Retailer 3€6,002 EUR
Brilliant Earth€8,727 EUR

41 data points across 11 retailers

11 retailers€1,731 EUR to €8,727 EUR

A
Cheapest Retailer
-
€1,731 EUR
$1,934 USD
A
Retailer 2
-
€1,902 EUR
HK$16,600 HKD
View
A
Retailer 3
-
€2,183 EUR
£1,921 GBP
View
A
Retailer 4
-
€2,354 EUR
$2,630 USD
View
B+
Retailer 5
-
€2,508 EUR
View
A
Retailer 6
-
€2,526 EUR
$2,822 USD
View
B+
Retailer 7
-
€4,064 EUR
$4,541 USD
View
B+
Retailer 8
-
€4,477 EUR
£3,938 GBP
View
B
Retailer 9
-
€5,482 EUR
$6,125 USD
View
B
Retailer 10
-
€6,002 EUR
$6,706 USD
View
Most Expensive
B
Brilliant Earth
20503052A · Oct 31
€8,727 EUR
$9,750 USD
View
10 more retailers have this diamond
Prices start from €1,731 EURSave up to €6,996 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
2.58ct Radiant
€1,731 EUR