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Radiant|Natural|GIA

2.51ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 5231771563

Certificate GIA 5231771563

Diamond specifications and retailer prices

From €13,249 EUR
$14,860 USD
As of November 2, 2026
Save €5,474 EUR (29%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €18,723 EUR at Jared · As of November 2, 2026
View at Jared

About this 2.51ct natural radiant diamond

This 2.51ct natural radiant sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231771563. Listed at 8 retailers as of November 2, 2026, with prices from €13,249 to €18,723, a €5,474 spread on the same certified stone. Jared lists it at €18,723. 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
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.57°
Pavilion angle30.14°
OriginNatural
Grading LabGIA
CertificateGIA 5231771563
Dimensions8.95 × 6.74 × 4.47 mm
L/W Ratio1.33
Top View
8.95 mm6.74 mm2.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231771563
Side View
Table 68.0%Crown 44.57°Girdle: STK-VTKPavilion 30.14°Culet: NoneDepth 66.3%

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: Nov 2
Current: €18,723 EUR|Low: €13,249 EUR|High: €18,723 EUR|Avg: €16,054 EUR
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 5, 2026
Retailer 4€13,249 EUR
Retailer 5€14,196 EUR
Retailer 8€14,624 EUR
Retailer 2€14,786 EUR
Retailer 9€15,834 EUR
Retailer 10€16,707 EUR
Retailer 3€17,569 EUR
Retailer 6€18,126 EUR
Retailer 7€18,126 EUR
Jared€18,723 EUR

3 data points across 10 retailers

8 retailers€13,249 EUR to €18,723 EUR

A
Cheapest Retailer
-
€13,249 EUR
$14,860 USD
A
Retailer 2
-
€14,196 EUR
$15,922 USD
View
A
Retailer 3
-
€14,399 EUR
A$24,846 AUD
View
A
Retailer 4
-
€14,786 EUR
$16,584 USD
View
Final sale: no returns
A
Retailer 5
-
€17,569 EUR
$19,705 USD
View
A
Retailer 6
-
€18,126 EUR
$20,330 USD
View
A
Retailer 7
-
€18,126 EUR
$20,330 USD
View
Most Expensive
A
Jared
159330553 · Nov 2
€18,723 EUR
$21,000 USD
View
7 more retailers have this diamond
Prices start from €13,249 EURSave up to €5,474 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
2.51ct Radiant
€13,249 EUR