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Round|Lab Grown|IGI

2.51ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG825666387

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825666387

Diamond specifications and retailer prices

From €986 EUR
$1,102 USD
As of October 29, 2026
Save €3,014 EUR (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €5,339 EUR at Rare Carat · As of October 14, 2026
View at Rare Carat

About this 2.51ct lab-grown round diamond

This 2.51ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825666387 or 825666387. Listed at 20 retailers as of October 29, 2026, with a 306% 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

2.51
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825666387
Dimensions8.85 × 8.89 × 5.26 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
8.85 mm8.89 mm2.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825666387
Side View
Table 58.0%Crown 32.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 59.3%

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 29
Current: €5,339 EUR|Low: €982 EUR|High: €5,339 EUR|Avg: €2,335 EUR
Rare Carat
Retailer 2
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Retailer 20
October 31, 2026
Retailer 10€986 EUR
Retailer 6€1,073 EUR
Retailer 7€1,104 EUR
Retailer 12€1,187 EUR
Retailer 16€1,366 EUR
Retailer 11€1,422 EUR
Retailer 2€1,652 EUR
Retailer 9€1,720 EUR
Retailer 13€1,723 EUR
Retailer 4€1,763 EUR
Retailer 19€1,827 EUR
Retailer 14€2,095 EUR
Retailer 5€2,145 EUR
Retailer 8€2,950 EUR
Retailer 17€2,952 EUR
Retailer 20€3,314 EUR
Retailer 3€3,645 EUR
Retailer 18€3,696 EUR
Retailer 15€4,000 EUR
Rare Carat€5,339 EUR

28 data points across 20 retailers

20 retailers€986 EUR to €4,000 EUR

A
Cheapest Retailer
-
€986 EUR
$1,102 USD
A
Retailer 2
-
€1,073 EUR
$1,199 USD
View
A
Retailer 3
-
€1,104 EUR
$1,233 USD
View
Final sale: no returns
Retailer 4
-
€1,187 EUR
$1,326 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
€1,366 EUR
£1,201 GBP
View
A
Retailer 6
-
€1,422 EUR
$1,589 USD
View
A
Retailer 7
-
€1,652 EUR
£1,453 GBP
View
A
Retailer 8
-
€1,720 EUR
$1,922 USD
View
A
Retailer 9
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€1,723 EUR
$1,925 USD
View
A
Retailer 10
-
€1,763 EUR
$1,970 USD
View
A
Retailer 11
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€1,827 EUR
View
B+
Retailer 12
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€2,095 EUR
$2,341 USD
View
B+
Retailer 13
-
€2,145 EUR
$2,396 USD
View
B+
Retailer 14
-
€2,950 EUR
$3,296 USD
View
B+
Retailer 15
-
€2,952 EUR
ZAR 53,281 ZAR
View
B+
Retailer 16
-
€3,314 EUR
$3,702 USD
View
B+
Retailer 17
-
€3,645 EUR
$4,072 USD
View
B
Retailer 18
-
€3,696 EUR
£3,251 GBP
View
B
Retailer 19
-
€4,000 EUR
$4,469 USD
View
Most Expensive
Rare Carat
C526-8A · Oct 14
€5,339 EUR
$5,965 USD
View
Price last confirmed 17 days ago
19 more retailers have this diamond
Prices start from €986 EURSave up to €3,014 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
€986 EUR