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Oval|Lab Grown|IGI

2.57ct F IF Oval Lab Grown Diamond

ID • F/IF • IGI LG809650651

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG809650651

Diamond specifications and retailer prices

From €733 EUR
$819 USD
As of November 1, 2026
Save €3,921 EUR (84%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €4,654 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.57ct lab-grown oval diamond

This 2.57ct lab-grown oval 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 LG809650651 or 809650651. Listed at 25 retailers as of October 31, 2026, with prices from €733 to €4,654, a €3,921 spread on the same certified stone. Brilliant Earth lists it at €4,654. 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

2.57
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809650651
Dimensions11.19 × 7.59 × 4.73 mm
L/W Ratio1.47
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
11.19 mm7.59 mm2.57 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809650651
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.3%

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: Nov 1
Current: €4,654 EUR|Low: €671 EUR|High: €4,816 EUR|Avg: €1,928 EUR|-3.3%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 10€700 EUR
Retailer 4€733 EUR
Retailer 12€812 EUR
Retailer 14€812 EUR
Retailer 17€895 EUR
Retailer 7€1,078 EUR
Retailer 6€1,141 EUR
Retailer 15€1,206 EUR
Retailer 2€1,218 EUR
Retailer 18€1,688 EUR
Retailer 16€1,802 EUR
Retailer 21€1,875 EUR
Retailer 5€1,932 EUR
Retailer 19€1,959 EUR
Retailer 11€2,282 EUR
Retailer 3€2,566 EUR
Retailer 20€2,586 EUR
Retailer 8€2,617 EUR
Retailer 13€2,982 EUR
Retailer 9€3,670 EUR
Brilliant Earth€4,654 EUR

37 data points across 21 retailers

25 retailers€733 EUR to €4,654 EUR

Retailer 1
-
€700 EUR
$782 USD
Price last confirmed 22 days ago
Retailer 2
-
€731 EUR
$817 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
€733 EUR
$819 USD
View
Final sale: no returns
Retailer 4
-
€796 EUR
$889 USD
View
Price last confirmed 36 days ago
Retailer 5
-
€812 EUR
$907 USD
View
Price last confirmed 30 days ago
Retailer 6
-
€812 EUR
$907 USD
View
Price last confirmed 20 days ago
Retailer 7
-
€837 EUR
$935 USD
View
Price last confirmed 37 days ago
A
Retailer 8
-
€895 EUR
$1,000 USD
View
A
Retailer 9
-
€1,078 EUR
$1,204 USD
View
A
Retailer 10
-
€1,141 EUR
$1,275 USD
View
A
Retailer 11
-
€1,206 EUR
View
A
Retailer 12
-
€1,218 EUR
£1,072 GBP
View
A
Retailer 13
-
€1,688 EUR
$1,886 USD
View
B+
Retailer 14
-
€1,802 EUR
A$3,098 AUD
View
B+
Retailer 15
-
€1,875 EUR
$2,095 USD
View
B+
Retailer 16
-
€1,932 EUR
$2,158 USD
View
B+
Retailer 17
-
€1,959 EUR
ZAR 35,354 ZAR
View
Retailer 18
-
€2,282 EUR
$2,549 USD
View
Price last confirmed 25 days ago
B+
Retailer 19
-
€2,463 EUR
$2,752 USD
View
B+
Retailer 20
-
€2,566 EUR
$2,867 USD
View
B+
Retailer 21
-
€2,586 EUR
$2,889 USD
View
B+
Retailer 22
-
€2,617 EUR
$2,924 USD
View
B+
Retailer 23
-
€2,982 EUR
£2,623 GBP
View
B
Retailer 24
-
€3,670 EUR
$4,100 USD
View
Most Expensive
B
Brilliant Earth
20535768A · Oct 31
€4,654 EUR
$5,200 USD
View
24 more retailers have this diamond
Prices start from €733 EURSave up to €3,921 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
2.57ct Oval
€733 EUR