Round|Natural|GIA

2.56ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5242092732

Certificate GIA 5242092732

Diamond specifications and retailer prices

From £20,801 GBP
$27,871 USD
As of October 31, 2026
Save £11,694 GBP (36%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £32,495 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 2.56ct natural round diamond

This 2.56ct natural round sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5242092732. Listed at 8 retailers as of October 31, 2026, with prices from £20,801 to £32,495, a £11,694 spread on the same certified stone. MOH London lists it at £32,495. 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

2.56
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5242092732
Dimensions8.77 × 8.82 × 5.39 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
8.77 mm8.82 mm2.56 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242092732
Side View
Table 59.0%Crown 31.5°GirdlePavilion 41.6°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £32,495 GBP|Low: £20,801 GBP|High: £32,677 GBP|Avg: £24,722 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5£20,801 GBP
Retailer 7£21,673 GBP
Retailer 4£22,319 GBP
Retailer 2£22,949 GBP
Retailer 8£24,121 GBP
Retailer 3£24,880 GBP
Retailer 6£28,762 GBP
MOH London£32,495 GBP

11 data points across 8 retailers

8 retailers£20,801 GBP to £32,495 GBP

B+
Cheapest Retailer
-
£20,801 GBP
$27,871 USD
B+
Retailer 2
-
£21,673 GBP
$29,040 USD
View
B+
Retailer 3
-
£22,319 GBP
$29,905 USD
View
B+
Retailer 4
-
£22,949 GBP
View
B+
Retailer 5
-
£24,121 GBP
$32,319 USD
View
B+
Retailer 6
-
£24,880 GBP
$33,336 USD
View
B
Retailer 7
-
£28,762 GBP
$38,538 USD
View
Most Expensive
B
MOH London
733AADF1B · Nov 1
£32,495 GBP
View
7 more retailers have this diamond
Prices start from £20,801 GBPSave up to £11,694 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+
2.56ct Round
£20,801 GBP