Round|Lab Grown|IGI

2.54ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG823655692

Shape and cutting style on the report: Round brilliant

Certificate IGI LG823655692

Diamond specifications and retailer prices

From $281 USD
As of October 29, 2026
Save $1,117 USD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,413 USD at Michael Trio · As of October 13, 2026
View at Michael Trio

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 LG823655692 or 823655692. Listed at 11 retailers as of October 26, 2026, with a 398% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823655692
Dimensions8.67 × 8.73 × 5.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.67 mm8.73 mm2.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823655692
Side View
Table 60.0%Crown 35.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.5%

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: $1,413 USD|Low: $281 USD|High: $1,439 USD|Avg: $937 USD|+2.1%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 8$281 USD
Retailer 2$525 USD
Retailer 3$572 USD
Retailer 6$1,071 USD
Retailer 5$1,075 USD
Retailer 7$1,120 USD
Retailer 4$1,398 USD
Michael Trio$1,413 USD

29 data points across 8 retailers

11 retailers$281 USD to $1,398 USD

A
Cheapest Retailer
-
$281 USD
Retailer 2
-
$286 USD
View
Price last confirmed 38 days ago
Retailer 3
-
$332 USD
View
Price last confirmed 37 days ago
A
Retailer 4
-
$525 USD
£414 GBP
View
A
Retailer 5
-
$572 USD
€545 EUR
View
B+
Retailer 6
-
$1,071 USD
View
B
Retailer 7
-
$1,075 USD
View
B+
Retailer 8
-
$1,120 USD
View
Retailer 9
-
$1,182 USD
View
Price last confirmed 39 days ago
B+
Retailer 10
-
$1,398 USD
£1,101 GBP
View
Most Expensive
Michael Trio
1222573210 · Oct 13
$1,413 USD
SGD 1,909 SGD
View
Price last confirmed 17 days ago
10 more retailers have this diamond
Prices start from $281 USDSave up to $1,117 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
$281 USD