Round|Natural|HRD

2.51ct E SI2 Round Natural Diamond

GD • E/SI2 • HRD 260000059811

Certificate HRD 260000059811

Diamond specifications and retailer prices

From £7,523 GBP
A$15,508 AUD
As of October 29, 2026
Save £5,568 GBP (43%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £14,281 GBP at NZ Jewellers · As of September 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 E colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by HRD 260000059811. Listed at 13 retailers as of October 29, 2026, with a 74% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
E
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Pavilion angle40.3°
OriginNatural
Grading LabHRD
CertificateHRD 260000059811
Dimensions8.19 × 8.33 × 5.50 mm
L/W Ratio1.02
Top View
8.19 mm8.33 mm2.51 ctE / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateHRD 260000059811
Side View
Table 57.0%CrownGirdle: Very ThickPavilion 40.3°Culet: NoneDepth 66.4%

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: £10,082 GBP|Low: £6,212 GBP|High: £13,544 GBP|Avg: £9,380 GBP|+21.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 6£7,523 GBP
Retailer 3£8,539 GBP
Retailer 5£8,819 GBP
Retailer 4£9,204 GBP
Retailer 1£10,082 GBP
Retailer 2£13,092 GBP

27 data points across 6 retailers

13 retailers£7,523 GBP to £13,092 GBP

A
Cheapest Retailer
-
£7,523 GBP
A$15,508 AUD
Retailer 2
-
£7,783 GBP
$10,428 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
£8,539 GBP
$11,441 USD
View
A
Retailer 4
-
£8,819 GBP
$11,817 USD
View
Final sale: no returns
B+
Retailer 5
-
£9,204 GBP
$12,332 USD
View
Retailer 6
-
£9,458 GBP
$12,673 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
£10,082 GBP
€12,865 EUR
View
Retailer 8
-
£10,089 GBP
$13,518 USD
View
Price last confirmed 31 days ago
Retailer 9
-
£10,246 GBP
$13,729 USD
View
Price last confirmed 23 days ago
Retailer 10
-
£10,640 GBP
$14,257 USD
View
Price last confirmed 21 days ago
Retailer 11
-
£10,847 GBP
$14,534 USD
View
Price last confirmed 40 days ago
B+
Retailer 12
-
£13,092 GBP
View
Most Expensive
NZ Jewellers
7183bb81-2c3f-495b-9c5a-0281a23ee46f · Sep 27
£14,281 GBP
$19,135 USD
View
Price last confirmed 33 days ago
12 more retailers have this diamond
Prices start from £7,523 GBPSave up to £5,568 GBP

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
£7,523 GBP