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Round|Lab Grown|IGI

2.51ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG741523849

Shape and cutting style on the report: Round brilliant

Certificate IGI LG741523849

Diamond specifications and retailer prices

From €509 EUR
$571 USD
As of October 31, 2026
Save €4,083 EUR (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €4,592 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 2.51ct lab-grown round diamond

This 2.51ct 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 LG741523849 or 741523849. Listed at 27 retailers as of October 31, 2026, with prices from €509 to €4,592, a €4,083 spread on the same certified stone. Brilliant Earth lists it at €4,592. 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

2.51
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741523849
Dimensions8.73 × 8.76 × 5.35 mm
L/W Ratio1.00
Girdle conditionFaceted
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
8.73 mm8.76 mm2.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741523849
Side View
Table 58.0%Crown 34.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.2%

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: Oct 31
Current: €4,592 EUR|Low: €509 EUR|High: €5,626 EUR|Avg: €1,634 EUR|-18.4%
Brilliant Earth
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 2, 2026
Retailer 10€509 EUR
Retailer 3€795 EUR
Retailer 13€798 EUR
Retailer 12€862 EUR
Retailer 6€864 EUR
Retailer 8€938 EUR
Retailer 11€1,254 EUR
Retailer 9€1,304 EUR
Retailer 7€1,320 EUR
Retailer 2€1,362 EUR
Retailer 4€1,580 EUR
Retailer 5€1,973 EUR
Retailer 14€2,360 EUR
Retailer 15€4,462 EUR
Brilliant Earth€4,592 EUR

40 data points across 15 retailers

27 retailers€509 EUR to €4,592 EUR

Retailer 1
-
€456 EUR
$511 USD
Price last confirmed 41 days ago
Retailer 2
-
€456 EUR
$511 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
€509 EUR
$571 USD
View
Final sale: no returns
Retailer 4
-
€510 EUR
$572 USD
View
Price last confirmed 40 days ago
Retailer 5
-
€557 EUR
$625 USD
View
Price last confirmed 38 days ago
Retailer 6
-
€564 EUR
$633 USD
View
Price last confirmed 31 days ago
Retailer 7
-
€564 EUR
$633 USD
View
Price last confirmed 22 days ago
A
Retailer 8
-
€795 EUR
$892 USD
View
A
Retailer 9
-
€798 EUR
$895 USD
View
A
Retailer 10
-
€862 EUR
View
A
Retailer 11
-
€864 EUR
$969 USD
View
A
Retailer 12
-
€938 EUR
£828 GBP
View
A
Retailer 13
-
€1,254 EUR
A$2,163 AUD
View
A
Retailer 14
-
€1,304 EUR
$1,463 USD
View
A
Retailer 15
-
€1,320 EUR
$1,481 USD
View
A
Retailer 16
-
€1,362 EUR
ZAR 24,677 ZAR
View
Retailer 17
-
€1,457 EUR
$1,634 USD
View
Price last confirmed 7 days ago
Retailer 18
-
€1,485 EUR
$1,666 USD
View
Price last confirmed 42 days ago
Retailer 19
-
€1,485 EUR
$1,666 USD
View
Price last confirmed 26 days ago
B+
Retailer 20
-
€1,580 EUR
$1,772 USD
View
B+
Retailer 21
-
€1,837 EUR
$2,061 USD
View
B+
Retailer 22
-
€1,948 EUR
$2,185 USD
View
B+
Retailer 23
-
€1,973 EUR
$2,213 USD
View
B+
Retailer 24
-
€2,093 EUR
$2,348 USD
View
B+
Retailer 25
-
€2,360 EUR
£2,084 GBP
View
B
Retailer 26
-
€4,462 EUR
$5,005 USD
View
Most Expensive
B
Brilliant Earth
16216355A · Nov 2
€4,592 EUR
$5,150 USD
View
26 more retailers have this diamond
Prices start from €509 EURSave up to €4,083 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
2.51ct Round
€509 EUR