Oval|Lab Grown|IGI

2.51ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG804660355

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG804660355

Diamond specifications and retailer prices

From $597 USD
As of October 29, 2026
Save $4,983 USD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,580 USD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 2.51ct lab-grown oval diamond

This 2.51ct lab-grown oval 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 LG804660355 or 804660355. Listed at 13 retailers as of October 29, 2026, with prices from $597 to $5,580, a $4,983 spread on the same certified stone. Blue Nile lists it at $5,580. 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 angle36.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660355
Dimensions10.57 × 7.59 × 4.87 mm
L/W Ratio1.39
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
10.57 mm7.59 mm2.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660355
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 40°Culet: NoneDepth 64.2%

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 29
Current: $5,580 USD|Low: $597 USD|High: $9,630 USD|Avg: $3,318 USD|-30.0%
Blue Nile
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
October 30, 2026
Retailer 9$597 USD
Retailer 3$668 USD
Retailer 8$890 USD
Retailer 11$900 USD
Retailer 10$1,135 USD
Retailer 6$1,277 USD
Retailer 13$1,836 USD
Retailer 4$1,969 USD
Retailer 14$2,149 USD
Retailer 7$3,236 USD
Retailer 12$5,300 USD
Retailer 5$5,430 USD
Blue Nile$5,580 USD
Retailer 2$5,580 USD

34 data points across 14 retailers

13 retailers$597 USD to $5,580 USD

A
Cheapest Retailer
-
$597 USD
A
Retailer 2
-
$668 USD
View
A
Retailer 3
-
$890 USD
View
A
Retailer 4
-
$900 USD
View
A
Retailer 5
-
$1,135 USD
View
A
Retailer 6
-
$1,836 USD
View
A
Retailer 7
-
$1,969 USD
View
A
Retailer 8
-
$2,149 USD
View
B+
Retailer 9
-
$3,236 USD
£2,548 GBP
View
B
Retailer 10
-
$5,300 USD
View
B
Retailer 11
-
$5,430 USD
View
B
Retailer 12
-
$5,580 USD
View
Most Expensive
B
Blue Nile
29538782 · Oct 29
$5,580 USD
View
12 more retailers have this diamond
Prices start from $597 USDSave up to $4,983 USD

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 Oval
$597 USD