Round|Natural|GIA

2.51ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 5553012760

Certificate GIA 5553012760

Diamond specifications and retailer prices

From £8,623 GBP
As of November 5, 2026
Save £1,243 GBP (13%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £12,103 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5553012760. Listed at 23 retailers as of November 5, 2026, with a relatively tight 14% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5553012760
Dimensions8.58 × 8.63 × 5.38 mm
L/W Ratio1.01
Top View
8.58 mm8.63 mm2.51 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553012760
Side View
Table 59.0%Crown 36°GirdlePavilion 41°CuletDepth 62.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: £12,043 GBP|Low: £7,474 GBP|High: £14,704 GBP|Avg: £9,855 GBP|-0.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9£7,474 GBP
Retailer 8£7,876 GBP
Retailer 4£8,362 GBP
Retailer 7£8,623 GBP
Retailer 6£8,640 GBP
Retailer 5£8,773 GBP
Retailer 10£9,290 GBP
Retailer 2£9,866 GBP
Retailer 3£11,206 GBP
NZ Jewellers£12,043 GBP
Retailer 11£14,704 GBP

35 data points across 11 retailers

23 retailers£8,623 GBP to £9,866 GBP

Retailer 1
-
£7,474 GBP
Price last confirmed 8 days ago
Retailer 2
-
£7,876 GBP
View
Price last confirmed 8 days ago
Retailer 3
-
£8,362 GBP
View
Price last confirmed 8 days ago
B
Retailer 4
-
£8,623 GBP
View
Retailer 5
-
£8,640 GBP
View
Price last confirmed 27 days ago
Retailer 6
-
£8,640 GBP
View
Price last confirmed 36 days ago
Retailer 7
-
£8,640 GBP
View
Price last confirmed 30 days ago
Retailer 8
-
£8,640 GBP
View
Price last confirmed 33 days ago
Retailer 9
-
£8,640 GBP
View
Price last confirmed 19 days ago
Retailer 10
-
£8,640 GBP
View
Price last confirmed 8 days ago
Retailer 11
-
£8,683 GBP
View
Price last confirmed 42 days ago
Retailer 12
-
£8,773 GBP
View
Price last confirmed 22 days ago
Retailer 13
-
£8,773 GBP
View
Price last confirmed 8 days ago
Retailer 14
-
£8,795 GBP
View
Price last confirmed 53 days ago
Retailer 15
-
£8,795 GBP
View
Price last confirmed 54 days ago
Retailer 16
-
£8,817 GBP
View
Price last confirmed 38 days ago
Retailer 17
-
£8,839 GBP
View
Price last confirmed 60 days ago
B
Retailer 18
-
£9,866 GBP
View
Retailer 19
-
£12,043 GBP
View
Price last confirmed 10 days ago
Retailer 20
-
£12,043 GBP
View
Price last confirmed 31 days ago
Retailer 21
-
£12,043 GBP
View
Price last confirmed 34 days ago
Retailer 22
-
£12,043 GBP
View
Price last confirmed 26 days ago
Most Expensive
NZ Jewellers
86750623-f616-4c10-ba81-b2583f017fd9 · Sep 27
£12,103 GBP
$16,290 USD
View
Price last confirmed 40 days ago
22 more retailers have this diamond
Prices start from £8,623 GBPSave up to £1,243 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.

B
2.51ct Round
£8,623 GBP