CaratHunter
Plans
Round|Natural|GIA

2.51ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 7556047964

Certificate GIA 7556047964

Diamond specifications and retailer prices

From £14,818 GBP
$19,855 USD
As of October 30, 2026
Save £10,533 GBP (42%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £25,352 GBP at MOH London · As of October 29, 2026
View at MOH London

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 top-tier cut grade and certified by GIA 7556047964. Listed at 21 retailers as of October 29, 2026, with prices from £14,818 to £25,352, a £10,533 spread on the same certified stone. MOH London lists it at £25,352. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.51
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7556047964
Dimensions8.61 × 8.64 × 5.38 mm
L/W Ratio1.00
Girdle conditionSlightly Thick
Key to symbols
Crystal, Needle
Top View
8.61 mm8.64 mm2.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7556047964
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.4%

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 30
Current: £25,352 GBP|Low: £14,818 GBP|High: £25,352 GBP|Avg: £17,344 GBP|+4.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 3£14,818 GBP
Retailer 7£14,843 GBP
Retailer 5£14,955 GBP
Retailer 2£15,466 GBP
Retailer 8£15,473 GBP
Retailer 18£15,578 GBP
Retailer 11£15,798 GBP
Retailer 16£16,146 GBP
Retailer 14£16,515 GBP
Retailer 9£16,522 GBP
Retailer 4£16,747 GBP
Retailer 12£16,755 GBP
Retailer 17£17,254 GBP
Retailer 10£17,427 GBP
Retailer 19£17,427 GBP
Retailer 6£18,009 GBP
Retailer 13£18,633 GBP
Retailer 20£19,421 GBP
Retailer 15£19,523 GBP
MOH London£25,352 GBP

16 data points across 20 retailers

21 retailers£14,818 GBP to £25,352 GBP

A
Cheapest Retailer
-
£14,818 GBP
$19,855 USD
A
Retailer 2
-
£14,843 GBP
$19,888 USD
View
A
Retailer 3
-
£14,955 GBP
$20,038 USD
View
A
Retailer 4
-
£15,466 GBP
₹1,973,638 INR
View
A
Retailer 5
-
£15,473 GBP
$20,732 USD
View
Final sale: no returns
A
Retailer 6
-
£15,578 GBP
$20,873 USD
View
A
Retailer 7
-
£16,146 GBP
$21,634 USD
View
A
Retailer 8
-
£16,515 GBP
View
A
Retailer 9
-
£16,522 GBP
$22,138 USD
View
A
Retailer 10
-
£16,747 GBP
$22,439 USD
View
A
Retailer 11
-
£17,254 GBP
$23,119 USD
View
A
Retailer 12
-
£17,427 GBP
$23,350 USD
View
A
Retailer 13
-
£17,427 GBP
$23,350 USD
View
A
Retailer 14
-
£18,009 GBP
$24,130 USD
View
Retailer 15
-
£18,411 GBP
$24,669 USD
View
Price last confirmed 26 days ago
Retailer 16
-
£18,593 GBP
$24,913 USD
View
Price last confirmed 38 days ago
A
Retailer 17
-
£18,633 GBP
View
A
Retailer 18
-
£19,421 GBP
$26,022 USD
View
A
Retailer 19
-
£19,523 GBP
€24,913 EUR
View
Retailer 20
-
£22,027 GBP
$29,514 USD
View
Price last confirmed 40 days ago
Most Expensive
B
MOH London
3A63D1546 · Oct 29
£25,352 GBP
View
20 more retailers have this diamond
Prices start from £14,818 GBPSave up to £10,533 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
£14,818 GBP