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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 $1,810 USD
As of October 26, 2026
8 retailers carry this diamond
Most expensive: $4,887 USD 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 26, 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
Color
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

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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: Oct 26
Current: $4,887 USD|Low: $1,526 USD|High: $4,887 USD|Avg: $2,283 USD|+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$1,616 USD
Retailer 9$1,809 USD
Retailer 5$1,810 USD
Retailer 8$1,849 USD
Retailer 2$2,003 USD
Retailer 6$2,003 USD
Retailer 4$2,096 USD
Retailer 7$2,312 USD
NZ Jewellers$4,887 USD

27 data points across 9 retailers

8 retailers

Retailer 1
-
$1,616 USD
₹153,924 INR
Price last confirmed 8 days ago
Retailer 2
-
$1,809 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$1,810 USD
View
Retailer 4
-
$2,003 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$2,003 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$2,096 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$2,312 USD
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
f6e25bef-d73e-4f7c-b5e6-1bbc29e2fb56 · Oct 23
$4,887 USD
View
Price last confirmed 9 days ago
7 more retailers have this diamond
Prices start from $1,810 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
1.51ct Round
$1,810 USD