Round|Lab Grown|IGI

2.50ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG780668455

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780668455

Diamond specifications and retailer prices

From $1,111 USD
As of October 31, 2026
5 retailers carry this diamond
Most expensive: $5,374 USD at Rare Carat · As of September 9, 2026
View at Rare Carat

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 LG780668455 or 780668455. Listed at 5 retailers as of October 31, 2026. 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 angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780668455
Dimensions8.72 × 8.80 × 5.31 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
8.72 mm8.80 mm2.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780668455
Side View
Table 58.0%Crown 34.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $5,374 USD|Low: $428 USD|High: $7,120 USD|Avg: $1,949 USD
Rare Carat
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
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Retailer 11
Retailer 12
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Retailer 17
September 28, 2026
Retailer 15$537 USD
Retailer 16$666 USD
Retailer 17$938 USD
Retailer 10$962 USD
Retailer 13$987 USD
Retailer 9$1,021 USD
Retailer 3$1,080 USD
Retailer 2$1,111 USD
Retailer 14$1,563 USD
Retailer 12$1,572 USD
Retailer 6$1,592 USD
Retailer 4$1,767 USD
Retailer 7$2,164 USD
Retailer 5$2,270 USD
Retailer 11$2,533 USD
Rare Carat$5,374 USD
Retailer 8$7,120 USD

7 data points across 17 retailers

5 retailers

Retailer 1
-
$658 USD
Price last confirmed 42 days ago
A
Retailer 2
-
$1,111 USD
View
Final sale: no returns
Retailer 3
-
$1,592 USD
View
Price last confirmed 39 days ago
Retailer 4
-
$1,753 USD
View
Price last confirmed 40 days ago
Most Expensive
Rare Carat
C108-2A · Sep 9
$5,374 USD
View
Price last confirmed 52 days ago
4 more retailers have this diamond
Prices start from $1,111 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
$1,111 USD