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1.25ct G SI1 Round Natural Diamond

GD • G/SI1 • GIA 2231072474

Certificate GIA 2231072474

Diamond specifications and retailer prices

From £3,851 GBP
As of November 6, 2026
Save £4,077 GBP (51%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £7,928 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 2231072474. Listed at 8 retailers as of November 5, 2026, with prices from £3,851 to £7,928, a £4,077 spread on the same certified stone. Diamond Quarter lists it at £7,928. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.25
Carat
G
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2231072474
Dimensions6.98 × 7.07 × 4.16 mm
L/W Ratio1.01
Star length60%
Lower girdle85%
Culet sizeSmall
Top View
6.98 mm7.07 mm1.25 ctG / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2231072474
Side View
Table 66.0%Crown 36.5°Girdle: VTN-THNPavilion 41.8°Culet: SmallDepth 59.3%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £4,909 GBP|Low: £3,772 GBP|High: £5,398 GBP|Avg: £4,609 GBP|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7£3,851 GBP
Retailer 5£4,112 GBP
Retailer 4£4,149 GBP
Retailer 3£4,386 GBP
Retailer 1£4,909 GBP
Retailer 2£5,348 GBP
Retailer 6£5,385 GBP

37 data points across 7 retailers

8 retailers£3,851 GBP to £7,928 GBP

B
Cheapest Retailer
-
£3,851 GBP
B
Retailer 2
-
£4,112 GBP
View
B
Retailer 3
-
£4,149 GBP
View
Final sale: no returns
B
Retailer 4
-
£4,386 GBP
View
B
Retailer 5
-
£4,909 GBP
View
B
Retailer 6
-
£5,348 GBP
View
C
Retailer 7
-
£5,385 GBP
View
Most Expensive
C
Diamond Quarter
1.25SI1G2274CD37N · Nov 5
£7,928 GBP
View
7 more retailers have this diamond
Prices start from £3,851 GBPSave up to £4,077 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
£3,851 GBP