Round|Lab Grown|IGI

2.54ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG797656108

Shape and cutting style on the report: Round brilliant

Certificate IGI LG797656108

Diamond specifications and retailer prices

From $450 USD
As of October 25, 2026
Save $2,090 USD (82%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,540 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.54ct lab-grown round diamond

This 2.54ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG797656108 or 797656108. Listed at 8 retailers as of October 25, 2026, with prices from $450 to $2,540, a $2,090 spread on the same certified stone. Brilliant Earth lists it at $2,540. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.54
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797656108
Dimensions8.88 × 8.83 × 5.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.88 mm8.83 mm2.54 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797656108
Side View
Table 57.0%Crown 32.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.4%

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 25
Current: $2,540 USD|Low: $450 USD|High: $2,640 USD|Avg: $1,116 USD|-3.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 4$450 USD
Retailer 10$525 USD
Retailer 5$719 USD
Retailer 7$783 USD
Retailer 2$803 USD
Retailer 6$820 USD
Retailer 9$1,143 USD
Retailer 8$1,487 USD
Retailer 3$1,768 USD
Brilliant Earth$2,540 USD

38 data points across 10 retailers

8 retailers$450 USD to $2,540 USD

A
Cheapest Retailer
-
$450 USD
B+
Retailer 2
-
$719 USD
View
B+
Retailer 3
-
$783 USD
View
A
Retailer 4
-
$803 USD
£632 GBP
View
B+
Retailer 5
-
$820 USD
View
B
Retailer 6
-
$1,487 USD
View
B
Retailer 7
-
$1,768 USD
£1,392 GBP
View
Most Expensive
B
Brilliant Earth
21393726A · Oct 29
$2,540 USD
View
7 more retailers have this diamond
Prices start from $450 USDSave up to $2,090 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
2.54ct Round
$450 USD