Round|Natural|GIA

2.51ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 5546047512

Certificate GIA 5546047512

Diamond specifications and retailer prices

From €6,722 EUR
As of November 4, 2026
Save €5,209 EUR (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €12,696 EUR at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

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 5546047512. Listed at 14 retailers as of November 4, 2026, with a 77% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
OriginNatural
Grading LabGIA
CertificateGIA 5546047512
Dimensions8.60 × 8.65 × 5.41 mm
L/W Ratio1.01
Top View
8.60 mm8.65 mm2.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546047512
Side View
Table 59.0%CrownGirdlePavilionCulet: NDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €7,882 EUR|Low: €6,722 EUR|High: €12,040 EUR|Avg: €8,780 EUR|-4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5€6,722 EUR
Retailer 7€6,736 EUR
Retailer 8€7,591 EUR
Retailer 6€7,651 EUR
Retailer 1€7,882 EUR
Retailer 4€8,629 EUR
Retailer 2€9,308 EUR
Retailer 9€10,027 EUR
Retailer 3€11,932 EUR

37 data points across 9 retailers

14 retailers€6,722 EUR to €11,932 EUR

A
Cheapest Retailer
-
€6,722 EUR
A
Retailer 2
-
€6,736 EUR
View
A
Retailer 3
-
€7,591 EUR
View
Retailer 4
-
€7,618 EUR
View
Price last confirmed 29 days ago
A
Retailer 5
-
€7,651 EUR
View
A
Retailer 6
-
€7,882 EUR
View
Retailer 7
-
€8,252 EUR
View
Price last confirmed 29 days ago
Retailer 8
-
€8,379 EUR
View
Price last confirmed 38 days ago
A
Retailer 9
-
€8,629 EUR
View
A
Retailer 10
-
€9,308 EUR
View
Retailer 11
-
€9,522 EUR
View
Price last confirmed 38 days ago
Retailer 12
-
€10,027 EUR
View
Price last confirmed 14 days ago
B+
Retailer 13
-
€11,932 EUR
View
Most Expensive
NZ Jewellers
29289aa4-f6d7-4c00-8cfe-0327b2998af7 · Sep 28
€12,696 EUR
$14,250 USD
View
Price last confirmed 39 days ago
13 more retailers have this diamond
Prices start from €6,722 EURSave up to €5,209 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
€6,722 EUR