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Radiant|Natural|GIA

2.51ct H SI2 Radiant Natural Diamond

ID • H/SI2 • GIA 1435868522

Certificate GIA 1435868522

Diamond specifications and retailer prices

From €11,269 EUR
£9,914 GBP
As of November 1, 2026
Save €5,054 EUR (31%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €16,324 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 H 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 1435868522. Listed at 6 retailers as of October 30, 2026, with prices from €11,269 to €16,324, a €5,054 spread on the same certified stone. NZ Jewellers lists it at €16,324. 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
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.23°
Pavilion angle31.23°
OriginNatural
Grading LabGIA
CertificateGIA 1435868522
Dimensions8.69 × 6.80 × 4.54 mm
L/W Ratio1.28
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
8.69 mm6.80 mm2.51 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1435868522
Side View
Table 67.0%Crown 47.23°Girdle: MED-STKPavilion 31.23°Culet: NoneDepth 66.8%

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 1
Current: €16,324 EUR|Low: €11,265 EUR|High: €17,025 EUR|Avg: €12,891 EUR|-4.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 5€11,269 EUR
Retailer 8€11,531 EUR
Retailer 3€11,560 EUR
Retailer 7€11,658 EUR
Retailer 9€11,693 EUR
Retailer 6€11,712 EUR
Retailer 11€11,753 EUR
Retailer 12€12,250 EUR
Retailer 4€12,689 EUR
Retailer 10€15,182 EUR
Retailer 2€15,296 EUR
NZ Jewellers€16,324 EUR

30 data points across 12 retailers

6 retailers€11,269 EUR to €16,324 EUR

A
Cheapest Retailer
-
€11,269 EUR
£9,914 GBP
A
Retailer 2
-
€11,531 EUR
$12,883 USD
View
A
Retailer 3
-
€11,658 EUR
$13,024 USD
View
A
Retailer 4
-
€11,712 EUR
$13,085 USD
View
A
Retailer 5
-
€15,296 EUR
£13,456 GBP
View
Most Expensive
A
NZ Jewellers
1b3611f2-f6e1-4370-a6bf-9ffa9a53cd55 · Oct 30
€16,324 EUR
$18,237 USD
View
5 more retailers have this diamond
Prices start from €11,269 EURSave up to €5,054 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
€11,269 EUR