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Round|Natural|GIA

2.50ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6422449906

Certificate GIA 6422449906

Diamond specifications and retailer prices

From €18,268 EUR
$20,490 USD
As of November 1, 2026
Save €16,366 EUR (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €34,635 EUR at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6422449906. Listed at 9 retailers as of October 29, 2026, with prices from €18,268 to €34,635, a €16,366 spread on the same certified stone. Diamond Quarter lists it at €34,635. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6422449906
Dimensions8.65 × 8.57 × 5.38 mm
L/W Ratio1.01
Top View
8.65 mm8.57 mm2.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6422449906
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

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: Nov 1
Current: €20,880 EUR|Low: €18,268 EUR|High: €28,014 EUR|Avg: €22,303 EUR|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 3€18,268 EUR
Retailer 4€19,194 EUR
Retailer 1€20,880 EUR
Retailer 2€23,716 EUR
Retailer 5€28,014 EUR

41 data points across 5 retailers

9 retailers€18,268 EUR to €34,635 EUR

A
Cheapest Retailer
-
€18,268 EUR
$20,490 USD
A
Retailer 2
-
€19,194 EUR
$21,528 USD
View
A
Retailer 3
-
€20,880 EUR
£18,440 GBP
View
B+
Retailer 4
-
€22,352 EUR
$25,070 USD
View
B+
Retailer 5
-
€22,352 EUR
$25,070 USD
View
B+
Retailer 6
-
€23,101 EUR
$25,910 USD
View
B+
Retailer 7
-
€23,716 EUR
View
B+
Retailer 8
-
€24,475 EUR
$27,452 USD
View
Most Expensive
B
Diamond Quarter
2.5SI2F6406B888N · Oct 29
€34,635 EUR
£30,588 GBP
View
8 more retailers have this diamond
Prices start from €18,268 EURSave up to €16,366 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
€18,268 EUR