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Round|Natural|GIA

2.54ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 5556354184

Certificate GIA 5556354184

Diamond specifications and retailer prices

From $17,480 USD
As of October 18, 2026
3 retailers carry this diamond
Most expensive: $21,040 USD at Blue Nile · As of October 20, 2026
View at Blue Nile

About this 2.54ct natural round diamond

This 2.54ct natural round sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5556354184. Listed at 3 retailers as of October 18, 2026. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5556354184
Dimensions8.63 × 8.68 × 5.43 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
8.63 mm8.68 mm2.54 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556354184
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°CuletDepth 62.8%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 18
Current: $21,040 USD|Low: $17,480 USD|High: $38,446 USD|Avg: $25,041 USD|-1.6%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 23, 2026
Retailer 3$17,480 USD
Retailer 4$18,150 USD
Blue Nile$21,040 USD
Retailer 5$21,100 USD
Retailer 2$24,060 USD
Retailer 7$28,196 USD
Retailer 6$38,446 USD

30 data points across 7 retailers

3 retailers$17,480 USD to $21,040 USD

Retailer 1
-
$17,480 USD
Price last confirmed 12 days ago
Retailer 2
-
$18,150 USD
View
Price last confirmed 7 days ago
Most Expensive
Blue Nile
29959795 · Oct 20
$21,040 USD
View
Price last confirmed 10 days ago
2 more retailers have this diamond

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.

2.54ct Round
$17,480 USD