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Radiant|Natural|GIA

2.51ct J SI2 Radiant Natural Diamond

EX • J/SI2 • GIA 6525079061

Certificate GIA 6525079061

Diamond specifications and retailer prices

From €9,466 EUR
£8,360 GBP
As of November 2, 2026
Save €6,355 EUR (40%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €15,821 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 2.51ct natural radiant diamond

This 2.51ct natural radiant sits in the two to three carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6525079061. Listed at 7 retailers as of October 30, 2026, with prices from €9,466 to €15,821, a €6,355 spread on the same certified stone. NZ Jewellers lists it at €15,821. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.14°
Pavilion angle30.4°
OriginNatural
Grading LabGIA
CertificateGIA 6525079061
Dimensions9.45 × 6.85 × 4.33 mm
L/W Ratio1.38
Top View
9.45 mm6.85 mm2.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6525079061
Side View
Table 73.0%Crown 44.14°Girdle: MED-STKPavilion 30.4°Culet: NoneDepth 63.1%

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: €15,821 EUR|Low: €9,388 EUR|High: €16,136 EUR|Avg: €12,510 EUR|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3€9,466 EUR
Retailer 2€11,223 EUR
Retailer 6€11,306 EUR
Retailer 5€11,351 EUR
Retailer 7€11,525 EUR
Retailer 4€14,825 EUR
NZ Jewellers€15,821 EUR

42 data points across 7 retailers

7 retailers€9,466 EUR to €15,821 EUR

A
Cheapest Retailer
-
€9,466 EUR
£8,360 GBP
A
Retailer 2
-
€11,223 EUR
£9,911 GBP
View
B+
Retailer 3
-
€11,306 EUR
$12,681 USD
View
A
Retailer 4
-
€11,351 EUR
$12,731 USD
View
B+
Retailer 5
-
€11,525 EUR
$12,927 USD
View
B+
Retailer 6
-
€14,825 EUR
£13,093 GBP
View
Most Expensive
B
NZ Jewellers
dcf6cc72-ceb6-4851-b385-009087832132 · Oct 30
€15,821 EUR
$17,745 USD
View
6 more retailers have this diamond
Prices start from €9,466 EURSave up to €6,355 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
€9,466 EUR