Radiant|Natural|HRD

1.73ct D SI2 Radiant Natural Diamond

ID • D/SI2 • HRD 250000280591

Certificate HRD 250000280591

Diamond specifications and retailer prices

From $6,892 USD
SGD 9,314 SGD
As of October 29, 2026
Save $6,176 USD (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $13,068 USD 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 24, 2026, with prices from $6,892 to $13,068, a $6,176 spread on the same certified stone. NZ Jewellers lists it at $13,068. 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: Oct 29
Current: $8,166 USD|Low: $5,773 USD|High: $11,020 USD|Avg: $7,639 USD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 3$5,773 USD
Retailer 11$6,584 USD
Retailer 5$6,892 USD
Retailer 10$7,032 USD
Retailer 8$7,128 USD
Retailer 9$7,180 USD
Retailer 6$7,212 USD
Retailer 7$7,975 USD
Retailer 1$8,166 USD
Retailer 2$9,558 USD
Retailer 4$10,947 USD

20 data points across 11 retailers

9 retailers$6,892 USD to $13,068 USD

A
Cheapest Retailer
-
$6,892 USD
SGD 9,314 SGD
A
Retailer 2
-
$7,032 USD
A$10,818 AUD
View
A
Retailer 3
-
$7,128 USD
View
A
Retailer 4
-
$7,180 USD
View
A
Retailer 5
-
$7,212 USD
View
Final sale: no returns
A
Retailer 6
-
$7,975 USD
View
A
Retailer 7
-
$8,166 USD
€7,777 EUR
View
B+
Retailer 8
-
$10,947 USD
£8,620 GBP
View
Most Expensive
B
NZ Jewellers
63b80af5-784a-4001-a814-d39994758036 · Oct 24
$13,068 USD
View
8 more retailers have this diamond
Prices start from $6,892 USDSave up to $6,176 USD

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
$6,892 USD