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2.51ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2396650924

Certificate GIA 2396650924

Diamond specifications and retailer prices

From €22,728 EUR
$25,492 USD
As of November 1, 2026
Save €22,658 EUR (50%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €45,387 EUR at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2396650924. Listed at 7 retailers as of November 1, 2026, with prices from €22,728 to €45,387, a €22,658 spread on the same certified stone. Diamond Quarter lists it at €45,387. 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

2.51
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2396650924
Dimensions8.66 × 8.60 × 5.40 mm
L/W Ratio1.01
Top View
8.66 mm8.60 mm2.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2396650924
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €29,925 EUR|Low: €20,644 EUR|High: €30,137 EUR|Avg: €24,888 EUR|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8€20,644 EUR
Retailer 3€22,728 EUR
Retailer 7€23,782 EUR
Retailer 2€24,554 EUR
Retailer 5€26,195 EUR
Retailer 6€26,195 EUR
Retailer 4€27,068 EUR
Retailer 1€29,925 EUR

24 data points across 8 retailers

7 retailers€22,728 EUR to €45,387 EUR

B+
Cheapest Retailer
-
€22,728 EUR
$25,492 USD
B+
Retailer 2
-
€24,554 EUR
$27,540 USD
View
Final sale: no returns
B+
Retailer 3
-
€26,195 EUR
$29,380 USD
View
B+
Retailer 4
-
€26,195 EUR
$29,380 USD
View
B+
Retailer 5
-
€27,068 EUR
$30,360 USD
View
B+
Retailer 6
-
€29,925 EUR
View
Most Expensive
B
Diamond Quarter
2.51SI1F2324FD96N · Nov 2
€45,387 EUR
£40,083 GBP
View
6 more retailers have this diamond
Prices start from €22,728 EURSave up to €22,658 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.

B+
2.51ct Round
€22,728 EUR