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Round|Natural|GIA

1.25ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6561318924

Certificate GIA 6561318924

Diamond specifications and retailer prices

From £3,043 GBP
As of November 4, 2026
Save £3,604 GBP (54%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £6,647 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561318924. Listed at 22 retailers as of November 4, 2026, with prices from £3,043 to £6,647, a £3,604 spread on the same certified stone. NZ Jewellers lists it at £6,647. 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

1.25
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6561318924
Dimensions6.80 × 6.85 × 4.27 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.80 mm6.85 mm1.25 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561318924
Side View
Table 58.0%Crown 36°Girdle: STK-STKPavilion 40.8°Culet: NoneDepth 62.6%

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 4
Current: £6,647 GBP|Low: £3,014 GBP|High: £6,853 GBP|Avg: £4,537 GBP|-3.0%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 5, 2026
Retailer 3£3,043 GBP
Retailer 16£3,062 GBP
Retailer 8£3,466 GBP
Retailer 10£3,668 GBP
Retailer 4£3,726 GBP
Retailer 13£3,800 GBP
Retailer 18£3,814 GBP
Retailer 7£3,938 GBP
Retailer 11£3,974 GBP
Retailer 20£3,974 GBP
Retailer 21£3,974 GBP
Retailer 9£4,087 GBP
Retailer 17£4,335 GBP
Retailer 15£4,335 GBP
Retailer 5£4,585 GBP
Retailer 14£4,739 GBP
Retailer 2£4,848 GBP
Retailer 6£5,772 GBP
Retailer 19£5,934 GBP
Retailer 12£6,534 GBP
NZ Jewellers£6,647 GBP

24 data points across 21 retailers

22 retailers£3,043 GBP to £6,647 GBP

A
Cheapest Retailer
-
£3,043 GBP
A
Retailer 2
-
£3,062 GBP
View
A
Retailer 3
-
£3,466 GBP
View
A
Retailer 4
-
£3,668 GBP
View
Final sale: no returns
B+
Retailer 5
-
£3,726 GBP
View
A
Retailer 6
-
£3,800 GBP
View
A
Retailer 7
-
£3,814 GBP
View
B+
Retailer 8
-
£3,938 GBP
View
Retailer 9
-
£3,974 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£3,974 GBP
View
B+
Retailer 11
-
£3,974 GBP
View
Retailer 12
-
£3,984 GBP
View
Price last confirmed 14 days ago
B+
Retailer 13
-
£4,087 GBP
View
Retailer 14
-
£4,104 GBP
View
Price last confirmed 28 days ago
B+
Retailer 15
-
£4,335 GBP
View
B+
Retailer 16
-
£4,335 GBP
View
B+
Retailer 17
-
£4,585 GBP
View
B+
Retailer 18
-
£4,848 GBP
View
B
Retailer 19
-
£5,772 GBP
View
B
Retailer 20
-
£5,934 GBP
View
Retailer 21
-
£6,534 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
NZ Jewellers
5dae9f95-50c8-47f9-ae5f-26166b5436bc · Nov 5
£6,647 GBP
$8,946 USD
View
21 more retailers have this diamond
Prices start from £3,043 GBPSave up to £3,604 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
1.25ct Round
£3,043 GBP