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Round|Lab Grown|IGI

2.55ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG811622258

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811622258

Diamond specifications and retailer prices

From €811 EUR
$910 USD
As of November 1, 2026
Save €3,647 EUR (82%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €4,458 EUR at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 2.55ct lab-grown round diamond

This 2.55ct lab-grown round sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811622258 or 811622258. Listed at 7 retailers as of November 1, 2026, with prices from €811 to €4,458, a €3,647 spread on the same certified stone. Rare Carat lists it at €4,458. 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
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811622258
Dimensions8.86 × 8.83 × 5.33 mm
L/W Ratio1.00
Girdle conditionFaceted
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
8.86 mm8.83 mm2.55 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811622258
Side View
Table 58.0%Crown 33.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
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: Nov 1
Current: €4,458 EUR|Low: €811 EUR|High: €4,547 EUR|Avg: €1,765 EUR|-2.0%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 4€811 EUR
Retailer 5€902 EUR
Retailer 6€937 EUR
Retailer 2€941 EUR
Retailer 7€1,637 EUR
Retailer 8€1,965 EUR
Retailer 3€2,527 EUR
Rare Carat€4,458 EUR

37 data points across 8 retailers

7 retailers€811 EUR to €4,458 EUR

A
Cheapest Retailer
-
€811 EUR
$910 USD
A
Retailer 2
-
€902 EUR
$1,012 USD
View
A
Retailer 3
-
€941 EUR
£831 GBP
View
B+
Retailer 4
-
€1,637 EUR
$1,836 USD
View
B+
Retailer 5
-
€1,965 EUR
$2,204 USD
View
B+
Retailer 6
-
€2,527 EUR
£2,232 GBP
View
Most Expensive
B
Rare Carat
H24895 · Nov 1
€4,458 EUR
$5,000 USD
View
6 more retailers have this diamond
Prices start from €811 EURSave up to €3,647 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 Round
€811 EUR