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1.24ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6502924192

Certificate GIA 6502924192

Diamond specifications and retailer prices

From £3,419 GBP
As of November 5, 2026
Save £3,140 GBP (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £6,560 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.24ct natural round diamond

This 1.24ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6502924192. Listed at 7 retailers as of November 5, 2026, with prices from £3,419 to £6,560, a £3,140 spread on the same certified stone. Diamond Quarter lists it at £6,560. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6502924192
Dimensions6.82 × 6.85 × 4.31 mm
L/W Ratio1.00
Star length55%
Lower girdle80%
Top View
6.82 mm6.85 mm1.24 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6502924192
Side View
Table 57.0%Crown 34.5°Girdle: STK-STKPavilion 41.6°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £4,109 GBP|Low: £2,721 GBP|High: £6,486 GBP|Avg: £4,531 GBP|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 6£3,419 GBP
Retailer 4£3,436 GBP
Retailer 2£3,998 GBP
Retailer 1£4,109 GBP
Retailer 3£5,928 GBP
Retailer 5£6,486 GBP

27 data points across 6 retailers

7 retailers£3,419 GBP to £6,560 GBP

B+
Cheapest Retailer
-
£3,419 GBP
B+
Retailer 2
-
£3,436 GBP
View
Final sale: no returns
B+
Retailer 3
-
£3,998 GBP
View
B+
Retailer 4
-
£4,109 GBP
View
B
Retailer 5
-
£5,928 GBP
View
B
Retailer 6
-
£6,486 GBP
View
Most Expensive
B
Diamond Quarter
1.24SI1E65920A82N · Nov 5
£6,560 GBP
View
6 more retailers have this diamond
Prices start from £3,419 GBPSave up to £3,140 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
£3,419 GBP