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Round|Natural|GIA

1.24ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5556472410

Certificate GIA 5556472410

Diamond specifications and retailer prices

From £2,595 GBP
As of November 2, 2026
Save £2,699 GBP (51%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £5,294 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.24ct natural round diamond

This 1.24ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5556472410. Listed at 9 retailers as of November 2, 2026, with prices from £2,595 to £5,294, a £2,699 spread on the same certified stone. NZ Jewellers lists it at £5,294. 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

1.24
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5556472410
Dimensions6.80 × 6.84 × 4.28 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.80 mm6.84 mm1.24 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5556472410
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.7%

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 2
Current: £5,294 GBP|Low: £2,595 GBP|High: £5,294 GBP|Avg: £3,434 GBP|+0.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 12£2,595 GBP
Retailer 8£2,642 GBP
Retailer 4£2,714 GBP
Retailer 9£2,722 GBP
Retailer 3£3,017 GBP
Retailer 5£3,024 GBP
Retailer 10£3,024 GBP
Retailer 2£3,118 GBP
Retailer 6£3,371 GBP
Retailer 11£4,435 GBP
Retailer 7£5,082 GBP
NZ Jewellers£5,294 GBP

15 data points across 12 retailers

9 retailers£2,595 GBP to £5,294 GBP

B+
Cheapest Retailer
-
£2,595 GBP
B+
Retailer 2
-
£2,642 GBP
View
B+
Retailer 3
-
£2,722 GBP
View
B+
Retailer 4
-
£3,024 GBP
View
B+
Retailer 5
-
£3,024 GBP
View
B+
Retailer 6
-
£3,118 GBP
View
B+
Retailer 7
-
£3,371 GBP
View
B
Retailer 8
-
£5,082 GBP
View
Most Expensive
B
NZ Jewellers
8d70cd4c-8e0f-463e-b4b6-0480ba15479e · Nov 2
£5,294 GBP
$7,086 USD
View
8 more retailers have this diamond
Prices start from £2,595 GBPSave up to £2,699 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+
1.24ct Round
£2,595 GBP