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Round|Lab Grown|IGI

2.51ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG799648016

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799648016

Diamond specifications and retailer prices

From €825 EUR
$922 USD
As of October 29, 2026
Save €5,118 EUR (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €5,943 EUR at Brilliant Earth · As of October 31, 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799648016 or 799648016. Listed at 23 retailers as of October 29, 2026, with prices from €825 to €5,943, a €5,118 spread on the same certified stone. Brilliant Earth lists it at €5,943. 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 angle34.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799648016
Dimensions8.74 × 8.69 × 5.33 mm
L/W Ratio1.01
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
8.74 mm8.69 mm2.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799648016
Side View
Table 59.0%Crown 34.9°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.2%

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 29
Current: €5,943 EUR|Low: €825 EUR|High: €9,005 EUR|Avg: €2,257 EUR|-34.0%
Brilliant Earth
Retailer 2
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Retailer 5
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Retailer 12
Retailer 13
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Retailer 19
October 31, 2026
Retailer 8€825 EUR
Retailer 4€898 EUR
Retailer 15€955 EUR
Retailer 11€1,017 EUR
Retailer 18€1,114 EUR
Retailer 9€1,182 EUR
Retailer 12€1,470 EUR
Retailer 7€1,535 EUR
Retailer 2€1,611 EUR
Retailer 19€1,710 EUR
Retailer 13€2,130 EUR
Retailer 16€2,470 EUR
Retailer 3€2,692 EUR
Retailer 14€3,011 EUR
Retailer 17€3,264 EUR
Retailer 10€3,329 EUR
Retailer 5€3,399 EUR
Retailer 6€3,650 EUR
Brilliant Earth€5,943 EUR

22 data points across 19 retailers

23 retailers€825 EUR to €5,943 EUR

A
Cheapest Retailer
-
€825 EUR
$922 USD
A
Retailer 2
-
€898 EUR
$1,003 USD
View
A
Retailer 3
-
€955 EUR
$1,067 USD
View
Final sale: no returns
Retailer 4
-
€1,017 EUR
$1,136 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
€1,114 EUR
$1,245 USD
View
Retailer 6
-
€1,149 EUR
$1,284 USD
View
Price last confirmed 34 days ago
A
Retailer 7
-
€1,182 EUR
$1,320 USD
View
A
Retailer 8
-
€1,470 EUR
£1,293 GBP
View
A
Retailer 9
-
€1,535 EUR
$1,715 USD
View
A
Retailer 10
-
€1,611 EUR
View
A
Retailer 11
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€1,710 EUR
$1,910 USD
View
Retailer 12
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€2,069 EUR
$2,312 USD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
€2,130 EUR
$2,380 USD
View
B+
Retailer 14
-
€2,470 EUR
ZAR 44,580 ZAR
View
B+
Retailer 15
-
€2,692 EUR
$3,007 USD
View
B+
Retailer 16
-
€2,951 EUR
$3,297 USD
View
B+
Retailer 17
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€3,011 EUR
$3,364 USD
View
B+
Retailer 18
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€3,264 EUR
£2,871 GBP
View
B+
Retailer 19
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€3,329 EUR
$3,719 USD
View
B+
Retailer 20
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€3,399 EUR
SGD 5,132 SGD
View
B+
Retailer 21
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€3,650 EUR
$4,078 USD
View
Retailer 22
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€5,335 EUR
$5,960 USD
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
21420809A · Oct 31
€5,943 EUR
$6,640 USD
View
22 more retailers have this diamond
Prices start from €825 EURSave up to €5,118 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
€825 EUR