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Round|Natural|GIA

2.51ct L SI1 Round Natural Diamond

VG • L/SI1 • GIA 6522909785

Certificate GIA 6522909785

Diamond specifications and retailer prices

From £7,800 GBP
As of November 5, 2026
7 retailers carry this diamond
Most expensive: £11,481 GBP 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6522909785. Listed at 7 retailers as of November 5, 2026. 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
L
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6522909785
Dimensions8.42 × 8.49 × 5.47 mm
L/W Ratio1.01
Girdle conditionThick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
8.42 mm8.49 mm2.51 ctL / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6522909785
Side View
Table 56.0%Crown 38°GirdlePavilion 40.4°Culet: NoneDepth 64.7%

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: £11,481 GBP|Low: £5,988 GBP|High: £11,931 GBP|Avg: £7,909 GBP|-3.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 7£5,988 GBP
Retailer 8£6,297 GBP
Retailer 4£6,641 GBP
Retailer 6£6,864 GBP
Retailer 3£6,907 GBP
Retailer 5£6,970 GBP
Retailer 10£7,055 GBP
Retailer 2£7,800 GBP
Retailer 11£7,902 GBP
NZ Jewellers£11,481 GBP
Retailer 9£11,821 GBP

29 data points across 11 retailers

7 retailers

Retailer 1
-
£5,988 GBP
Price last confirmed 8 days ago
Retailer 2
-
£6,297 GBP
View
Price last confirmed 9 days ago
Retailer 3
-
£6,641 GBP
View
Price last confirmed 9 days ago
Retailer 4
-
£6,864 GBP
View
Price last confirmed 11 days ago
Retailer 5
-
£6,970 GBP
View
Price last confirmed 12 days ago
B
Retailer 6
-
£7,800 GBP
View
Most Expensive
NZ Jewellers
a457f048-9257-45e8-ab33-175e80ff3047 · Oct 27
£11,481 GBP
$15,453 USD
View
Price last confirmed 10 days ago
6 more retailers have this diamond
Prices start from £7,800 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
£7,800 GBP