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2.51ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 7512553168

Shape and cutting style on the report: Round brilliant

Certificate GIA 7512553168

Diamond specifications and retailer prices

From £6,169 GBP
As of November 5, 2026
Save £4,149 GBP (40%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £10,318 GBP at NZ Jewellers · As of November 5, 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 M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7512553168. Listed at 7 retailers as of November 5, 2026, with prices from £6,169 to £10,318, a £4,149 spread on the same certified stone. NZ Jewellers lists it at £10,318. 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
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7512553168
Dimensions8.61 × 8.66 × 5.40 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Knot, Cavity, Needle
Top View
8.61 mm8.66 mm2.51 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7512553168
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £10,318 GBP|Low: £5,694 GBP|High: £10,318 GBP|Avg: £7,024 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4£5,694 GBP
Retailer 6£6,169 GBP
Retailer 7£6,264 GBP
Retailer 3£6,688 GBP
Retailer 2£6,717 GBP
Retailer 8£7,083 GBP
Retailer 5£7,118 GBP
NZ Jewellers£10,318 GBP

44 data points across 8 retailers

7 retailers£6,169 GBP to £10,318 GBP

Retailer 1
-
£5,694 GBP
Price last confirmed 8 days ago
B+
Retailer 2
-
£6,169 GBP
View
B+
Retailer 3
-
£6,264 GBP
View
B+
Retailer 4
-
£6,688 GBP
View
B+
Retailer 5
-
£6,717 GBP
View
B+
Retailer 6
-
£7,118 GBP
View
Most Expensive
B
NZ Jewellers
4a3ec4e2-3dcf-4467-8506-40025fb01eba · Nov 5
£10,318 GBP
$13,887 USD
View
6 more retailers have this diamond
Prices start from £6,169 GBPSave up to £4,149 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
£6,169 GBP