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Round|Natural|GIA

2.50ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 6532880723

Certificate GIA 6532880723

Diamond specifications and retailer prices

From £5,165 GBP
As of November 6, 2026
Save £4,641 GBP (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £9,807 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6532880723. Listed at 8 retailers as of November 5, 2026, with prices from £5,165 to £9,807, a £4,641 spread on the same certified stone. NZ Jewellers lists it at £9,807. 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

2.50
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6532880723
Dimensions8.76 × 8.82 × 5.26 mm
L/W Ratio1.01
Top View
8.76 mm8.82 mm2.50 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6532880723
Side View
Table 61.0%CrownGirdlePavilionCuletDepth 59.8%

Caratlytics Score

How it works →
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 6
Current: £9,807 GBP|Low: £5,165 GBP|High: £9,807 GBP|Avg: £6,379 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7£5,165 GBP
Retailer 6£5,405 GBP
Retailer 5£5,954 GBP
Retailer 8£5,986 GBP
Retailer 2£5,998 GBP
Retailer 4£6,366 GBP
Retailer 3£6,732 GBP
NZ Jewellers£9,807 GBP

40 data points across 8 retailers

8 retailers£5,165 GBP to £9,807 GBP

B+
Cheapest Retailer
-
£5,165 GBP
B+
Retailer 2
-
£5,405 GBP
View
B+
Retailer 3
-
£5,954 GBP
View
B+
Retailer 4
-
£5,986 GBP
View
B+
Retailer 5
-
£5,998 GBP
View
B+
Retailer 6
-
£6,366 GBP
View
B+
Retailer 7
-
£6,732 GBP
View
Most Expensive
B
NZ Jewellers
8e050826-9fd5-453c-a1c9-0c1d384c2f84 · Nov 5
£9,807 GBP
$13,199 USD
View
7 more retailers have this diamond
Prices start from £5,165 GBPSave up to £4,641 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+
2.50ct Round
£5,165 GBP