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Round|Natural|GIA

1.25ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6555673708

Certificate GIA 6555673708

Diamond specifications and retailer prices

From £3,968 GBP
As of November 4, 2026
Save £3,132 GBP (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £7,100 GBP at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

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 6555673708. Listed at 13 retailers as of November 4, 2026, with prices from £3,968 to £7,100, a £3,132 spread on the same certified stone. Wholesale Diamonds Direct lists it at £7,100. 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 angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555673708
Dimensions6.90 × 6.95 × 4.27 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Needle, Feather
Top View
6.90 mm6.95 mm1.25 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555673708
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.7%

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: Nov 4
Current: £4,738 GBP|Low: £3,968 GBP|High: £7,100 GBP|Avg: £5,124 GBP|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 6£3,968 GBP
Retailer 7£4,239 GBP
Retailer 3£4,635 GBP
Retailer 1£4,738 GBP
Retailer 9£4,740 GBP
Retailer 8£4,816 GBP
Retailer 5£5,011 GBP
Retailer 2£5,067 GBP
Retailer 11£5,067 GBP
Retailer 10£5,238 GBP
Retailer 4£6,128 GBP
Wholesale Diamonds Direct£7,100 GBP

42 data points across 12 retailers

13 retailers£3,968 GBP to £7,100 GBP

B+
Cheapest Retailer
-
£3,968 GBP
B+
Retailer 2
-
£4,239 GBP
View
B+
Retailer 3
-
£4,635 GBP
View
B+
Retailer 4
-
£4,738 GBP
View
B+
Retailer 5
-
£4,740 GBP
View
B+
Retailer 6
-
£4,816 GBP
View
B+
Retailer 7
-
£5,011 GBP
View
B+
Retailer 8
-
£5,067 GBP
View
B+
Retailer 9
-
£5,067 GBP
View
B+
Retailer 10
-
£5,141 GBP
View
B+
Retailer 11
-
£5,238 GBP
View
B
Retailer 12
-
£6,128 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
262123895 · Nov 4
£7,100 GBP
$9,556 USD
View
12 more retailers have this diamond
Prices start from £3,968 GBPSave up to £3,132 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+
1.25ct Round
£3,968 GBP