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Round|Natural|GIA

2.50ct E I1 Round Natural Diamond

EX • E/I1 • GIA 1555040509

Certificate GIA 1555040509

Diamond specifications and retailer prices

From $10,204 USD
As of October 29, 2026
Save $2,426 USD (19%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $13,853 USD at DreamStone · As of October 21, 2026
View at DreamStone

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 I1 clarity (included), with a top-tier cut grade and certified by GIA 1555040509. Listed at 3 retailers as of October 29, 2026, with a relatively tight 24% spread, which is unusual at this carat range and suggests competitive pricing across the listings. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

2.50
Carat
E
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555040509
Dimensions8.71 × 8.78 × 5.36 mm
L/W Ratio1.01
Star length45%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cavity, Indented Natural, Needle, Natural
Top View
8.71 mm8.78 mm2.50 ctE / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555040509
Side View
Table 56.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $13,853 USD|Low: $10,204 USD|High: $14,916 USD|Avg: $13,647 USD
DreamStone
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 3$10,204 USD
Retailer 2$12,630 USD
DreamStone$13,853 USD
Retailer 4$14,016 USD

23 data points across 4 retailers

3 retailers$10,204 USD to $12,630 USD

A
Cheapest Retailer
-
$10,204 USD
A
Retailer 2
-
$12,630 USD
€12,029 EUR
View
Most Expensive
DreamStone
6a49674c580d63ebdb1b6cc4 · Oct 21
$13,853 USD
View
Price last confirmed 8 days ago
2 more retailers have this diamond
Prices start from $10,204 USDSave up to $2,426 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
$10,204 USD