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Round|Natural|GIA

1.25ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 7478998642

Certificate GIA 7478998642

Diamond specifications and retailer prices

From £3,574 GBP
As of November 1, 2026
Save £4,223 GBP (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £7,797 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 7478998642. Listed at 20 retailers as of November 1, 2026, with prices from £3,574 to £7,797, a £4,223 spread on the same certified stone. NZ Jewellers lists it at £7,797. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7478998642
Dimensions6.93 × 6.89 × 4.26 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Top View
6.93 mm6.89 mm1.25 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7478998642
Side View
Table 56.0%Crown 33.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.7%

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 1
Current: £4,399 GBP|Low: £3,574 GBP|High: £6,950 GBP|Avg: £4,737 GBP|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6£3,574 GBP
Retailer 8£3,898 GBP
Retailer 10£3,930 GBP
Retailer 9£4,223 GBP
Retailer 1£4,399 GBP
Retailer 2£4,606 GBP
Retailer 7£4,608 GBP
Retailer 4£4,789 GBP
Retailer 3£5,688 GBP
Retailer 5£6,849 GBP

45 data points across 10 retailers

20 retailers£3,574 GBP to £7,797 GBP

A
Cheapest Retailer
-
£3,574 GBP
A
Retailer 2
-
£3,580 GBP
View
A
Retailer 3
-
£3,683 GBP
View
B+
Retailer 4
-
£3,898 GBP
View
Final sale: no returns
B+
Retailer 5
-
£3,930 GBP
View
B+
Retailer 6
-
£3,945 GBP
View
Retailer 7
-
£4,223 GBP
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£4,223 GBP
View
B+
Retailer 9
-
£4,223 GBP
View
B+
Retailer 10
-
£4,399 GBP
View
B+
Retailer 11
-
£4,606 GBP
View
Retailer 12
-
£4,608 GBP
View
Price last confirmed 27 days ago
B
Retailer 13
-
£4,776 GBP
View
B+
Retailer 14
-
£4,789 GBP
View
B+
Retailer 15
-
£4,873 GBP
View
Retailer 16
-
£5,141 GBP
View
Price last confirmed 14 days ago
B
Retailer 17
-
£5,260 GBP
View
B
Retailer 18
-
£5,688 GBP
View
B
Retailer 19
-
£6,849 GBP
View
Most Expensive
B
NZ Jewellers
9c4b993c-32b5-46d8-bd5d-d1e165426e69 · Nov 5
£7,797 GBP
$10,494 USD
View
19 more retailers have this diamond
Prices start from £3,574 GBPSave up to £4,223 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
£3,574 GBP