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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 €9,503 EUR
£8,360 GBP
As of October 30, 2026
Save €6,380 EUR (40%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €15,883 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 €9,503 to €15,883, a €6,380 spread on the same certified stone. NZ Jewellers lists it at €15,883. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €15,883 EUR|Low: €9,446 EUR|High: €16,199 EUR|Avg: €12,589 EUR|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3€9,503 EUR
Retailer 2€11,301 EUR
Retailer 6€11,351 EUR
Retailer 5€11,395 EUR
Retailer 7€11,571 EUR
Retailer 4€14,963 EUR
NZ Jewellers€15,883 EUR

40 data points across 7 retailers

7 retailers€9,503 EUR to €15,883 EUR

A
Cheapest Retailer
-
€9,503 EUR
£8,360 GBP
A
Retailer 2
-
€11,301 EUR
£9,942 GBP
View
B+
Retailer 3
-
€11,351 EUR
$12,681 USD
View
A
Retailer 4
-
€11,395 EUR
$12,731 USD
View
B+
Retailer 5
-
€11,571 EUR
$12,927 USD
View
B+
Retailer 6
-
€14,963 EUR
£13,163 GBP
View
Most Expensive
B
NZ Jewellers
dcf6cc72-ceb6-4851-b385-009087832132 · Oct 30
€15,883 EUR
$17,745 USD
View
6 more retailers have this diamond
Prices start from €9,503 EURSave up to €6,380 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
€9,503 EUR