Radiant|Natural|HRD

1.73ct D SI2 Radiant Natural Diamond

ID • D/SI2 • HRD 250000280591

Certificate HRD 250000280591

Diamond specifications and retailer prices

From €5,775 EUR
$6,477 USD
As of November 1, 2026
Save €3,985 EUR (41%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €11,651 EUR at NZ Jewellers · As of October 24, 2026
View at NZ Jewellers

About this 1.73ct natural radiant diamond

This 1.73ct 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 250000280591. Listed at 9 retailers as of October 29, 2026, with a 69% 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

1.73
Carat
D
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle33°
OriginNatural
Grading LabHRD
CertificateHRD 250000280591
Dimensions7.99 × 5.88 × 3.96 mm
L/W Ratio1.36
Girdle conditionPolished
Top View
7.99 mm5.88 mm1.73 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 250000280591
Side View
Table 67.0%CrownGirdle: MediumPavilion 33°Culet: NoneDepth 67.3%

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: Nov 1
Current: €11,651 EUR|Low: €5,147 EUR|High: €11,651 EUR|Avg: €7,199 EUR
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 4€5,147 EUR
Retailer 5€5,775 EUR
Retailer 12€5,870 EUR
Retailer 8€6,145 EUR
Retailer 2€6,232 EUR
Retailer 11€6,269 EUR
Retailer 9€6,430 EUR
Retailer 10€7,111 EUR
Retailer 6€7,259 EUR
Retailer 3€8,522 EUR
Retailer 7€9,760 EUR
NZ Jewellers€11,651 EUR

23 data points across 12 retailers

9 retailers€5,775 EUR to €9,760 EUR

A
Cheapest Retailer
-
€5,775 EUR
$6,477 USD
A
Retailer 2
-
€6,145 EUR
SGD 9,314 SGD
View
A
Retailer 3
-
€6,232 EUR
$6,990 USD
View
A
Retailer 4
-
€6,269 EUR
A$10,818 AUD
View
A
Retailer 5
-
€6,430 EUR
$7,212 USD
View
Final sale: no returns
Retailer 6
-
€7,111 EUR
$7,975 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
€7,259 EUR
View
B+
Retailer 8
-
€9,760 EUR
£8,620 GBP
View
Most Expensive
NZ Jewellers
63b80af5-784a-4001-a814-d39994758036 · Oct 24
€11,651 EUR
$13,068 USD
View
Price last confirmed 9 days ago
8 more retailers have this diamond
Prices start from €5,775 EURSave up to €3,985 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
1.73ct Radiant
€5,775 EUR