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Round|Natural|GIA

1.24ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2436593299

Certificate GIA 2436593299

Diamond specifications and retailer prices

From £2,357 GBP
$3,158 USD
As of October 30, 2026
Save £2,554 GBP (52%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,911 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 2436593299. Listed at 14 retailers as of October 30, 2026, with prices from £2,357 to £4,911, a £2,554 spread on the same certified stone. NZ Jewellers lists it at £4,911. 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 angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2436593299
Dimensions6.83 × 6.79 × 4.28 mm
L/W Ratio1.01
Top View
6.83 mm6.79 mm1.24 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2436593299
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 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: Oct 30
Current: £4,911 GBP|Low: £1,964 GBP|High: £4,911 GBP|Avg: £3,205 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 6£2,357 GBP
Retailer 8£2,554 GBP
Retailer 10£2,554 GBP
Retailer 7£2,652 GBP
Retailer 2£2,928 GBP
Retailer 9£2,947 GBP
Retailer 4£3,056 GBP
Retailer 11£3,191 GBP
Retailer 3£3,354 GBP
Retailer 5£4,739 GBP
NZ Jewellers£4,911 GBP

38 data points across 11 retailers

14 retailers£2,357 GBP to £4,911 GBP

B+
Cheapest Retailer
-
£2,357 GBP
$3,158 USD
Final sale: no returns
Retailer 2
-
£2,399 GBP
$3,214 USD
View
Price last confirmed 11 days ago
B+
Retailer 3
-
£2,554 GBP
$3,422 USD
View
B+
Retailer 4
-
£2,554 GBP
$3,422 USD
View
B+
Retailer 5
-
£2,612 GBP
CA$4,861 CAD
View
B+
Retailer 6
-
£2,652 GBP
$3,553 USD
View
B+
Retailer 7
-
£2,776 GBP
$3,720 USD
View
B
Retailer 8
-
£2,928 GBP
View
B
Retailer 9
-
£2,947 GBP
$3,948 USD
View
B+
Retailer 10
-
£3,056 GBP
€3,900 EUR
View
Retailer 11
-
£3,191 GBP
$4,276 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
£3,247 GBP
$4,350 USD
View
B
Retailer 13
-
£4,739 GBP
View
Most Expensive
B
NZ Jewellers
4f81cef2-0314-41bf-9773-d3b8fc80fb75 · Oct 30
£4,911 GBP
$6,580 USD
View
13 more retailers have this diamond
Prices start from £2,357 GBPSave up to £2,554 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
£2,357 GBP