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Round|Natural|GIA

1.24ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 5553587100

Certificate GIA 5553587100

Diamond specifications and retailer prices

From £2,025 GBP
HK$21,200 HKD
As of October 31, 2026
Save £2,691 GBP (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,716 GBP at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5553587100. Listed at 17 retailers as of October 30, 2026, with prices from £2,025 to £4,716, a £2,691 spread on the same certified stone. NZ Jewellers lists it at £4,716. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5553587100
Dimensions6.82 × 6.87 × 4.26 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural, Natural
Top View
6.82 mm6.87 mm1.24 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553587100
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.2%

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: Oct 31
Current: £4,716 GBP|Low: £2,006 GBP|High: £5,167 GBP|Avg: £3,044 GBP|-8.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 2£2,025 GBP
Retailer 3£2,177 GBP
Retailer 6£2,263 GBP
Retailer 4£2,303 GBP
Retailer 13£2,452 GBP
Retailer 15£2,452 GBP
Retailer 5£2,546 GBP
Retailer 7£2,784 GBP
Retailer 14£2,784 GBP
Retailer 10£2,812 GBP
Retailer 16£2,830 GBP
Retailer 12£2,873 GBP
Retailer 9£2,904 GBP
Retailer 8£3,067 GBP
Retailer 11£4,552 GBP
NZ Jewellers£4,716 GBP

42 data points across 16 retailers

17 retailers£2,025 GBP to £4,716 GBP

A
Cheapest Retailer
-
£2,025 GBP
HK$21,200 HKD
B+
Retailer 2
-
£2,177 GBP
$2,917 USD
View
B+
Retailer 3
-
£2,199 GBP
A$4,533 AUD
View
B+
Retailer 4
-
£2,263 GBP
$3,032 USD
View
Final sale: no returns
Retailer 5
-
£2,303 GBP
$3,086 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£2,452 GBP
$3,286 USD
View
B+
Retailer 7
-
£2,452 GBP
$3,286 USD
View
B+
Retailer 8
-
£2,546 GBP
$3,412 USD
View
B+
Retailer 9
-
£2,784 GBP
$3,730 USD
View
B+
Retailer 10
-
£2,784 GBP
$3,730 USD
View
B+
Retailer 11
-
£2,812 GBP
View
B
Retailer 12
-
£2,830 GBP
$3,792 USD
View
B+
Retailer 13
-
£2,873 GBP
$3,850 USD
View
B+
Retailer 14
-
£2,904 GBP
€3,706 EUR
View
Retailer 15
-
£3,067 GBP
$4,109 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
£4,552 GBP
View
Most Expensive
B
NZ Jewellers
e8b27764-36d9-4b82-9b4d-08975005fb1f · Oct 30
£4,716 GBP
$6,319 USD
View
16 more retailers have this diamond
Prices start from £2,025 GBPSave up to £2,691 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
£2,025 GBP