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Radiant|Natural|HRD

1.51ct D SI2 Radiant Natural Diamond

ID • D/SI2 • HRD 260000205966

Certificate HRD 260000205966

Diamond specifications and retailer prices

From €4,175 EUR
$4,664 USD
As of October 29, 2026
Save €3,099 EUR (43%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €7,274 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 260000205966. Listed at 5 retailers as of October 30, 2026, with prices from €4,175 to €7,274, a €3,099 spread on the same certified stone. NZ Jewellers lists it at €7,274. 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

1.51
Carat
D
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Pavilion angle60.73°
OriginNatural
Grading LabHRD
CertificateHRD 260000205966
Dimensions7.88 × 5.75 × 3.86 mm
L/W Ratio1.37
Top View
7.88 mm5.75 mm1.51 ctD / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateHRD 260000205966
Side View
Table 63.0%CrownGirdle: MediumPavilion 60.73°CuletDepth 67.1%

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 29
Current: €7,274 EUR|Low: €4,175 EUR|High: €7,274 EUR|Avg: €5,376 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4€4,175 EUR
Retailer 5€4,175 EUR
Retailer 3€4,832 EUR
Retailer 2€6,649 EUR
NZ Jewellers€7,274 EUR

21 data points across 5 retailers

5 retailers€4,175 EUR to €7,274 EUR

A
Cheapest Retailer
-
€4,175 EUR
$4,664 USD
A
Retailer 2
-
€4,175 EUR
$4,664 USD
View
A
Retailer 3
-
€4,832 EUR
View
B+
Retailer 4
-
€6,649 EUR
£5,849 GBP
View
Most Expensive
B+
NZ Jewellers
1c265227-8069-4298-a570-1f0072c3d7a4 · Oct 30
€7,274 EUR
$8,126 USD
View
4 more retailers have this diamond
Prices start from €4,175 EURSave up to €3,099 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
1.51ct Radiant
€4,175 EUR