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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 $2,067 SGD
₹153,924 INR
As of October 25, 2026
8 retailers carry this diamond
Most expensive: $6,250 SGD 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: $6,250 SGD|Low: $1,952 SGD|High: $6,250 SGD|Avg: $2,920 SGD|+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$2,067 SGD
Retailer 9$2,314 SGD
Retailer 5$2,315 SGD
Retailer 8$2,365 SGD
Retailer 2$2,562 SGD
Retailer 6$2,562 SGD
Retailer 4$2,681 SGD
Retailer 7$2,957 SGD
NZ Jewellers$6,250 SGD

27 data points across 9 retailers

8 retailers$2,067 SGD to $6,250 SGD

Retailer 1
-
$2,067 SGD
₹153,924 INR
Price last confirmed 8 days ago
Retailer 2
-
$2,314 SGD
$1,809 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$2,315 SGD
$1,810 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$2,562 SGD
$2,003 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$2,562 SGD
$2,003 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$2,681 SGD
$2,096 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$2,957 SGD
$2,312 USD
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
f6e25bef-d73e-4f7c-b5e6-1bbc29e2fb56 · Oct 23
$6,250 SGD
$4,887 USD
View
Price last confirmed 9 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
$2,067 SGD