Round|Natural|HRD

2.51ct H I1 Round Natural Diamond

EX • H/I1 • HRD 250000146013

Certificate HRD 250000146013

Diamond specifications and retailer prices

From $8,091 USD
As of November 1, 2026
Save $7,566 USD (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $15,657 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by HRD 250000146013. Listed at 7 retailers as of October 27, 2026, with prices from $8,091 to $15,657, a $7,566 spread on the same certified stone. NZ Jewellers lists it at $15,657. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

2.51
Carat
H
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabHRD
CertificateHRD 250000146013
Dimensions8.63 × 8.66 × 5.40 mm
L/W Ratio1.00
Top View
8.63 mm8.66 mm2.51 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateHRD 250000146013
Side View
Table 56.0%CrownGirdlePavilionCuletDepth 62.5%

Caratlytics Score

How it works →
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: Nov 1
Current: $15,657 USD|Low: $8,091 USD|High: $15,657 USD|Avg: $10,283 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 7$8,091 USD
Retailer 5$8,641 USD
Retailer 3$9,361 USD
Retailer 6$9,506 USD
Retailer 2$10,183 USD
Retailer 4$10,802 USD
NZ Jewellers$15,657 USD

28 data points across 7 retailers

7 retailers$8,091 USD to $15,657 USD

A
Cheapest Retailer
-
$8,091 USD
A
Retailer 2
-
$8,641 USD
View
A
Retailer 3
-
$9,361 USD
View
A
Retailer 4
-
$9,506 USD
View
A
Retailer 5
-
$10,183 USD
€9,698 EUR
View
B+
Retailer 6
-
$10,802 USD
View
Most Expensive
B+
NZ Jewellers
5175424f-d5e1-48e5-9210-61311d45db16 · Oct 27
$15,657 USD
View
6 more retailers have this diamond
Prices start from $8,091 USDSave up to $7,566 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
2.51ct Round
$8,091 USD