Round|Natural|GIA

2.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6561273899

Certificate GIA 6561273899

Diamond specifications and retailer prices

From €14,653 EUR
$16,370 USD
As of October 25, 2026
Save €8,586 EUR (37%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €23,239 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 2.5ct natural round diamond

This 2.5ct 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 6561273899. Listed at 15 retailers as of October 25, 2026, with prices from €14,653 to €23,239, a €8,586 spread on the same certified stone. MOH London lists it at €23,239. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6561273899
Dimensions8.59 × 8.63 × 5.44 mm
L/W Ratio1.00
Key to symbols
Crystal, Feather, Cloud, Needle, Natural
Top View
8.59 mm8.63 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561273899
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.2%

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 25
Current: €23,239 EUR|Low: €14,653 EUR|High: €23,393 EUR|Avg: €17,950 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 7€14,653 EUR
Retailer 2€15,153 EUR
Retailer 10€15,657 EUR
Retailer 9€16,337 EUR
Retailer 8€17,154 EUR
Retailer 6€17,326 EUR
Retailer 11€17,699 EUR
Retailer 5€18,259 EUR
Retailer 3€18,380 EUR
Retailer 4€19,126 EUR
Retailer 12€20,967 EUR
MOH London€23,239 EUR

35 data points across 12 retailers

15 retailers€14,653 EUR to €23,239 EUR

A
Cheapest Retailer
-
€14,653 EUR
$16,370 USD
A
Retailer 2
-
€14,799 EUR
$16,533 USD
View
A
Retailer 3
-
€15,019 EUR
$16,779 USD
View
A
Retailer 4
-
€15,153 EUR
£13,330 GBP
View
A
Retailer 5
-
€15,657 EUR
$17,492 USD
View
Final sale: no returns
B+
Retailer 6
-
€16,337 EUR
$18,252 USD
View
B+
Retailer 7
-
€17,154 EUR
$19,165 USD
View
B+
Retailer 8
-
€17,326 EUR
View
B+
Retailer 9
-
€17,699 EUR
$19,773 USD
View
B+
Retailer 10
-
€18,159 EUR
$20,287 USD
View
B+
Retailer 11
-
€18,259 EUR
£16,062 GBP
View
B+
Retailer 12
-
€18,380 EUR
$20,534 USD
View
B+
Retailer 13
-
€19,126 EUR
$21,368 USD
View
B
Retailer 14
-
€20,967 EUR
$23,425 USD
View
Most Expensive
B
MOH London
F455A4935 · Oct 29
€23,239 EUR
£20,443 GBP
View
14 more retailers have this diamond
Prices start from €14,653 EURSave up to €8,586 EUR

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
€14,653 EUR