CaratHunter
Plans
Round|Natural|GIA

2.23ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 5553685141

Certificate GIA 5553685141

Diamond specifications and retailer prices

From £4,766 GBP
As of November 3, 2026
Save £3,835 GBP (45%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £8,602 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 2.23ct natural round diamond

This 2.23ct 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 5553685141. Listed at 7 retailers as of November 2, 2026, with prices from £4,766 to £8,602, a £3,835 spread on the same certified stone. NZ Jewellers lists it at £8,602. 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

2.23
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5553685141
Dimensions8.27 × 8.32 × 5.21 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Feather, Needle
Top View
8.27 mm8.32 mm2.23 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553685141
Side View
Table 58.0%Crown 35.5°GirdlePavilion 41.2°Culet: NoneDepth 62.8%

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: Nov 3
Current: £8,602 GBP|Low: £4,616 GBP|High: £8,728 GBP|Avg: £5,583 GBP|-1.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8£4,616 GBP
Retailer 4£4,766 GBP
Retailer 5£4,971 GBP
Retailer 7£5,143 GBP
Retailer 6£5,222 GBP
Retailer 3£5,289 GBP
Retailer 2£5,787 GBP
NZ Jewellers£8,602 GBP

32 data points across 8 retailers

7 retailers£4,766 GBP to £8,602 GBP

B+
Cheapest Retailer
-
£4,766 GBP
B+
Retailer 2
-
£4,971 GBP
View
B+
Retailer 3
-
£5,143 GBP
View
B+
Retailer 4
-
£5,222 GBP
View
B+
Retailer 5
-
£5,289 GBP
View
B
Retailer 6
-
£5,787 GBP
View
Most Expensive
B
NZ Jewellers
d99096a2-4669-453e-8bcf-9d1130a809da · Nov 2
£8,602 GBP
$11,577 USD
View
6 more retailers have this diamond
Prices start from £4,766 GBPSave up to £3,835 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+
2.23ct Round
£4,766 GBP