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1.51ct H I1 Round Natural Diamond

EX • H/I1 • HRD 260000207509

Certificate HRD 260000207509

Diamond specifications and retailer prices

From $2,306 AUD
₹153,924 INR
As of October 25, 2026
8 retailers carry this diamond
Most expensive: $6,973 AUD at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by HRD 260000207509. Listed at 8 retailers as of October 23, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.9°
OriginNatural
Grading LabHRD
CertificateHRD 260000207509
Dimensions7.31 × 7.34 × 4.53 mm
L/W Ratio1.00
Top View
7.31 mm7.34 mm1.51 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000207509
Side View
Table 59.0%Crown 36.1°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.8%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 25
Current: $6,973 AUD|Low: $2,177 AUD|High: $6,973 AUD|Avg: $3,258 AUD|+1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 26, 2026
Retailer 3$2,306 AUD
Retailer 9$2,581 AUD
Retailer 5$2,583 AUD
Retailer 8$2,638 AUD
Retailer 2$2,858 AUD
Retailer 6$2,858 AUD
Retailer 4$2,991 AUD
Retailer 7$3,299 AUD
NZ Jewellers$6,973 AUD

27 data points across 9 retailers

8 retailers$2,306 AUD to $6,973 AUD

Retailer 1
-
$2,306 AUD
₹153,924 INR
Price last confirmed 8 days ago
Retailer 2
-
$2,581 AUD
$1,809 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$2,583 AUD
$1,810 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$2,858 AUD
$2,003 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$2,858 AUD
$2,003 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$2,991 AUD
$2,096 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$3,299 AUD
$2,312 USD
View
Price last confirmed 13 days ago
Most Expensive
NZ Jewellers
f6e25bef-d73e-4f7c-b5e6-1bbc29e2fb56 · Oct 23
$6,973 AUD
$4,887 USD
View
Price last confirmed 10 days ago
7 more retailers have this diamond

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.

1.51ct Round
$2,306 AUD