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Round|Lab Grown|IGI

2.50ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG809651035

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809651035

Diamond specifications and retailer prices

From $589 USD
As of October 31, 2026
Save $4,961 USD (89%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $5,550 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.5ct lab-grown round diamond

This 2.5ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG809651035 or 809651035. Listed at 26 retailers as of October 31, 2026, with prices from $589 to $5,550, a $4,961 spread on the same certified stone. Brilliant Earth lists it at $5,550. 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

2.50
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809651035
Dimensions8.74 × 8.67 × 5.40 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 mm8.67 mm2.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809651035
Side View
Table 56.0%Crown 35.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.1%

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: $5,550 USD|Low: $589 USD|High: $6,910 USD|Avg: $1,931 USD|-19.7%
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
October 31, 2026
Retailer 4$589 USD
Retailer 2$790 USD
Retailer 15$920 USD
Retailer 8$987 USD
Retailer 13$999 USD
Retailer 12$1,011 USD
Retailer 11$1,451 USD
Retailer 10$1,514 USD
Retailer 5$1,532 USD
Retailer 14$1,578 USD
Retailer 17$1,763 USD
Retailer 7$2,125 USD
Retailer 16$2,238 USD
Retailer 3$2,424 USD
Retailer 6$2,733 USD
Retailer 9$5,270 USD
Brilliant Earth$5,550 USD

40 data points across 17 retailers

26 retailers$589 USD to $5,550 USD

Retailer 1
-
$548 USD
Price last confirmed 21 days ago
Retailer 2
-
$558 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
$589 USD
View
Final sale: no returns
Retailer 4
-
$625 USD
View
Price last confirmed 38 days ago
Retailer 5
-
$679 USD
View
Price last confirmed 29 days ago
Retailer 6
-
$679 USD
View
Price last confirmed 19 days ago
Retailer 7
-
$683 USD
View
Price last confirmed 36 days ago
A
Retailer 8
-
$790 USD
View
A
Retailer 9
-
$920 USD
View
A
Retailer 10
-
$987 USD
View
A
Retailer 11
-
$999 USD
€951 EUR
View
A
Retailer 12
-
$1,011 USD
£796 GBP
View
A
Retailer 13
-
$1,451 USD
A$2,233 AUD
View
A
Retailer 14
-
$1,514 USD
View
A
Retailer 15
-
$1,532 USD
View
A
Retailer 16
-
$1,578 USD
ZAR 25,488 ZAR
View
A
Retailer 17
-
$1,763 USD
View
Retailer 18
-
$1,786 USD
View
Price last confirmed 24 days ago
Retailer 19
-
$1,819 USD
View
Price last confirmed 40 days ago
B+
Retailer 20
-
$2,125 USD
View
B+
Retailer 21
-
$2,238 USD
View
B+
Retailer 22
-
$2,289 USD
View
B+
Retailer 23
-
$2,424 USD
View
B+
Retailer 24
-
$2,733 USD
£2,152 GBP
View
Retailer 25
-
$5,270 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
20536747A · Oct 31
$5,550 USD
View
25 more retailers have this diamond
Prices start from $589 USDSave up to $4,961 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
2.50ct Round
$589 USD