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Round|Natural|GIA

2.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2554902783

Certificate GIA 2554902783

Diamond specifications and retailer prices

From $16,424 USD
SGD 22,194 SGD
As of October 29, 2026
Save $15,023 USD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $31,447 USD at With Clarity · As of October 29, 2026
View at With Clarity

About this 2.5ct natural round diamond

This 2.5ct natural 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 GIA 2554902783. Listed at 9 retailers as of October 29, 2026, with prices from $16,424 to $31,447, a $15,023 spread on the same certified stone. With Clarity lists it at $31,447. 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

2.50
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2554902783
Dimensions8.54 × 5.46 × 5.46 mm
L/W Ratio1.56
Culet sizeNone
Top View
8.54 mm5.46 mm2.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 2554902783
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $18,340 USD|Low: $16,424 USD|High: $33,573 USD|Avg: $21,464 USD|-7.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
October 29, 2026
Retailer 6$16,424 USD
Retailer 2$17,546 USD
Retailer 5$18,100 USD
Retailer 1$18,340 USD
Retailer 4$19,221 USD
Retailer 3$21,494 USD
Retailer 8$21,664 USD
Retailer 7$22,976 USD
With Clarity$31,447 USD

43 data points across 9 retailers

9 retailers$16,424 USD to $31,447 USD

A
Cheapest Retailer
-
$16,424 USD
SGD 22,194 SGD
A
Retailer 2
-
$17,546 USD
SGD 23,711 SGD
View
A
Retailer 3
-
$18,100 USD
View
A
Retailer 4
-
$18,340 USD
£14,441 GBP
View
A
Retailer 5
-
$19,221 USD
View
A
Retailer 6
-
$21,494 USD
€20,470 EUR
View
A
Retailer 7
-
$21,664 USD
View
A
Retailer 8
-
$22,976 USD
View
Most Expensive
B+
With Clarity
2554902783 · Oct 29
$31,447 USD
View
8 more retailers have this diamond
Prices start from $16,424 USDSave up to $15,023 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
$16,424 USD