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2.51ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6545867048

Certificate GIA 6545867048

Diamond specifications and retailer prices

From £10,340 GBP
SGD 18,722 SGD
As of October 30, 2026
Save £3,342 GBP (24%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £13,682 GBP at The Diamond Guys · As of October 29, 2026
View at The Diamond Guys

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 6545867048. Listed at 8 retailers as of October 29, 2026, with prices from £10,340 to £13,682, a £3,342 spread on the same certified stone. The Diamond Guys lists it at £13,682. 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
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6545867048
Dimensions8.67 × 8.64 × 5.42 mm
L/W Ratio1.00
Top View
8.67 mm8.64 mm2.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6545867048
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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: £10,926 GBP|Low: £10,340 GBP|High: £14,077 GBP|Avg: £12,109 GBP|-4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2£10,340 GBP
Retailer 1£10,926 GBP
Retailer 3£11,192 GBP
Retailer 5£11,326 GBP
Retailer 8£11,471 GBP
Retailer 4£12,788 GBP
Retailer 7£13,443 GBP
Retailer 6£13,545 GBP

38 data points across 8 retailers

8 retailers£10,340 GBP to £13,682 GBP

A
Cheapest Retailer
-
£10,340 GBP
SGD 18,722 SGD
A
Retailer 2
-
£10,926 GBP
View
A
Retailer 3
-
£11,192 GBP
SGD 20,265 SGD
View
A
Retailer 4
-
£11,326 GBP
$15,175 USD
View
Retailer 5
-
£11,471 GBP
$15,370 USD
View
Price last confirmed 22 days ago
A
Retailer 6
-
£12,788 GBP
$17,135 USD
View
A
Retailer 7
-
£13,545 GBP
$18,148 USD
View
Most Expensive
A
The Diamond Guys
1931978263 · Oct 29
£13,682 GBP
$18,332 USD
View
7 more retailers have this diamond
Prices start from £10,340 GBPSave up to £3,342 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
£10,340 GBP