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Round|Natural|GIA

1.24ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 5553388007

Certificate GIA 5553388007

Diamond specifications and retailer prices

From £1,909 GBP
As of November 6, 2026
Save £2,549 GBP (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,459 GBP at NZ Jewellers · As of November 5, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5553388007. Listed at 10 retailers as of November 5, 2026, with prices from £1,909 to £4,459, a £2,549 spread on the same certified stone. NZ Jewellers lists it at £4,459. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5553388007
Dimensions6.85 × 6.80 × 4.30 mm
L/W Ratio1.01
Key to symbols
Cloud, Feather, Crystal, Indented Natural, Needle, Natural
Top View
6.85 mm6.80 mm1.24 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553388007
Side View
Table 59.0%Crown 35°GirdlePavilion 41.6°Culet: NDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £4,459 GBP|Low: £1,842 GBP|High: £4,552 GBP|Avg: £2,583 GBP|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8£1,909 GBP
Retailer 9£1,967 GBP
Retailer 10£2,019 GBP
Retailer 6£2,132 GBP
Retailer 7£2,132 GBP
Retailer 2£2,244 GBP
Retailer 4£2,476 GBP
Retailer 3£2,491 GBP
Retailer 5£3,557 GBP
NZ Jewellers£4,459 GBP

37 data points across 10 retailers

10 retailers£1,909 GBP to £4,459 GBP

A
Cheapest Retailer
-
£1,909 GBP
A
Retailer 2
-
£1,967 GBP
View
Final sale: no returns
A
Retailer 3
-
£2,019 GBP
View
Retailer 4
-
£2,132 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£2,132 GBP
View
B+
Retailer 6
-
£2,244 GBP
View
B+
Retailer 7
-
£2,476 GBP
View
B+
Retailer 8
-
£2,491 GBP
View
B
Retailer 9
-
£3,557 GBP
View
Most Expensive
B
NZ Jewellers
e13905d7-781b-42f0-84fd-bc77721296a8 · Nov 5
£4,459 GBP
$6,001 USD
View
9 more retailers have this diamond
Prices start from £1,909 GBPSave up to £2,549 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.

A
1.24ct Round
£1,909 GBP