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Radiant|Lab Grown|IGI

2.55ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG768629556

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

Certificate IGI LG768629556

Diamond specifications and retailer prices

From €1,948 EUR
HK$17,000 HKD
As of October 31, 2026
Save €4,560 EUR (70%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €7,878 EUR at Blue Nile · As of October 22, 2026
View at Blue Nile

About this 2.55ct lab-grown radiant diamond

This 2.55ct 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 LG768629556 or 768629556. Listed at 13 retailers as of October 31, 2026, with a 234% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.55
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629556
Dimensions10.03 × 6.80 × 4.40 mm
L/W Ratio1.47
Culet sizePointed
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
10.03 mm6.80 mm2.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629556
Side View
Table 63.0%Crown 42.6°Girdle: MediumPavilion 33.3°Culet: NoneDepth 64.7%

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: €7,878 EUR|Low: €1,580 EUR|High: €11,422 EUR|Avg: €4,500 EUR|-31.0%
Blue Nile
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
October 30, 2026
Retailer 14€1,580 EUR
Retailer 12€1,868 EUR
Retailer 6€1,948 EUR
Retailer 7€2,208 EUR
Retailer 5€2,327 EUR
Retailer 10€2,471 EUR
Retailer 13€3,763 EUR
Retailer 8€3,933 EUR
Retailer 4€4,017 EUR
Retailer 11€4,425 EUR
Retailer 9€5,093 EUR
Retailer 3€5,452 EUR
Retailer 2€6,507 EUR
Blue Nile€7,878 EUR

34 data points across 14 retailers

13 retailers€1,948 EUR to €6,507 EUR

Retailer 1
-
€1,580 EUR
$1,765 USD
Price last confirmed 11 days ago
Retailer 2
-
€1,868 EUR
$2,087 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
€1,948 EUR
HK$17,000 HKD
View
Retailer 4
-
€2,208 EUR
£1,942 GBP
View
Price last confirmed 9 days ago
Retailer 5
-
€2,327 EUR
$2,600 USD
View
Price last confirmed 14 days ago
Retailer 6
-
€3,763 EUR
$4,204 USD
View
Price last confirmed 10 days ago
Retailer 7
-
€3,933 EUR
ZAR 70,981 ZAR
View
Price last confirmed 12 days ago
Retailer 8
-
€4,017 EUR
$4,488 USD
View
Price last confirmed 11 days ago
Retailer 9
-
€4,425 EUR
£3,893 GBP
View
Price last confirmed 11 days ago
Retailer 10
-
€5,093 EUR
$5,690 USD
View
Price last confirmed 11 days ago
Retailer 11
-
€5,452 EUR
$6,091 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
€6,507 EUR
$7,270 USD
View
Most Expensive
Blue Nile
29314079 · Oct 22
€7,878 EUR
$8,801 USD
View
Price last confirmed 10 days ago
12 more retailers have this diamond
Prices start from €1,948 EURSave up to €4,560 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
2.55ct Radiant
€1,948 EUR