Round|Natural|GIA

2.50ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6422449906

Certificate GIA 6422449906

Diamond specifications and retailer prices

From $20,490 USD
As of October 25, 2026
Save $18,357 USD (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $38,847 USD 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 25, 2026, with prices from $20,490 to $38,847, a $18,357 spread on the same certified stone. Diamond Quarter lists it at $38,847. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $23,616 USD|Low: $20,490 USD|High: $31,420 USD|Avg: $25,063 USD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 3$20,490 USD
Retailer 4$21,528 USD
Retailer 1$23,616 USD
Retailer 2$26,788 USD
Retailer 5$31,420 USD

40 data points across 5 retailers

9 retailers$20,490 USD to $38,847 USD

A
Cheapest Retailer
-
$20,490 USD
A
Retailer 2
-
$21,528 USD
View
A
Retailer 3
-
$23,616 USD
£18,595 GBP
View
B+
Retailer 4
-
$25,070 USD
View
B+
Retailer 5
-
$25,070 USD
View
B+
Retailer 6
-
$25,910 USD
View
B+
Retailer 7
-
$26,788 USD
€25,512 EUR
View
B+
Retailer 8
-
$27,452 USD
View
Most Expensive
B
Diamond Quarter
2.5SI2F6406B888N · Oct 29
$38,847 USD
£30,588 GBP
View
8 more retailers have this diamond
Prices start from $20,490 USDSave up to $18,357 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
$20,490 USD