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Round|Natural|GIA

2.51ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 5242069331

Certificate GIA 5242069331

Diamond specifications and retailer prices

From €9,735 EUR
As of November 3, 2026
Save €4,906 EUR (34%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €14,640 EUR at Diamonds Direct · As of November 1, 2026
View at Diamonds Direct

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5242069331. Listed at 13 retailers as of November 1, 2026, with prices from €9,735 to €14,640, a €4,906 spread on the same certified stone. Diamonds Direct lists it at €14,640. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5242069331
Dimensions8.63 × 8.67 × 5.43 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.63 mm8.67 mm2.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242069331
Side View
Table 55.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

Caratlytics Score

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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 3
Current: €14,640 EUR|Low: €9,735 EUR|High: €15,437 EUR|Avg: €12,044 EUR|-5.2%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 6€9,735 EUR
Retailer 8€10,509 EUR
Retailer 7€10,615 EUR
Retailer 10€10,723 EUR
Retailer 11€10,780 EUR
Retailer 2€10,811 EUR
Retailer 13€10,979 EUR
Retailer 12€11,092 EUR
Retailer 3€12,578 EUR
Retailer 9€12,648 EUR
Retailer 4€12,661 EUR
Retailer 5€13,082 EUR
Diamonds Direct€14,640 EUR

30 data points across 13 retailers

13 retailers€9,735 EUR to €14,640 EUR

A
Cheapest Retailer
-
€9,735 EUR
A
Retailer 2
-
€10,509 EUR
View
A
Retailer 3
-
€10,615 EUR
View
A
Retailer 4
-
€10,723 EUR
View
A
Retailer 5
-
€10,780 EUR
View
A
Retailer 6
-
€10,811 EUR
View
A
Retailer 7
-
€10,979 EUR
View
A
Retailer 8
-
€11,092 EUR
View
B+
Retailer 9
-
€12,578 EUR
View
B+
Retailer 10
-
€12,648 EUR
View
B+
Retailer 11
-
€12,661 EUR
View
Retailer 12
-
€13,082 EUR
View
Price last confirmed 11 days ago
Most Expensive
B+
Diamonds Direct
1120578 · Nov 1
€14,640 EUR
$16,432 USD
View
12 more retailers have this diamond
Prices start from €9,735 EURSave up to €4,906 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 Round
€9,735 EUR