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Round|Natural|GIA

1.04ct G SI1 Round Natural Diamond

GD • G/SI1 • GIA 1253232628

Certificate GIA 1253232628

Diamond specifications and retailer prices

From £2,415 GBP
As of November 6, 2026
Save £3,730 GBP (61%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £6,145 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.04ct natural round diamond

This 1.04ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 1253232628. Listed at 16 retailers as of November 5, 2026, with prices from £2,415 to £6,145, a £3,730 spread on the same certified stone. Diamond Quarter lists it at £6,145. 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

1.04
Carat
G
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39°
Pavilion angle39.4°
OriginNatural
Grading LabGIA
CertificateGIA 1253232628
Dimensions6.22 × 6.20 × 4.06 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.22 mm6.20 mm1.04 ctG / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1253232628
Side View
Table 55.0%Crown 39°Girdle: Very ThickPavilion 39.4°Culet: NoneDepth 65.4%

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 6
Current: £3,022 GBP|Low: £2,415 GBP|High: £5,082 GBP|Avg: £3,178 GBP|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10£2,415 GBP
Retailer 5£2,444 GBP
Retailer 9£2,578 GBP
Retailer 8£2,612 GBP
Retailer 2£2,825 GBP
Retailer 1£3,022 GBP
Retailer 7£3,219 GBP
Retailer 4£3,376 GBP
Retailer 3£3,665 GBP
Retailer 6£5,021 GBP

43 data points across 10 retailers

16 retailers£2,415 GBP to £6,145 GBP

B+
Cheapest Retailer
-
£2,415 GBP
B+
Retailer 2
-
£2,444 GBP
View
B
Retailer 3
-
£2,578 GBP
View
B
Retailer 4
-
£2,612 GBP
View
Retailer 5
-
£2,720 GBP
View
Price last confirmed 8 days ago
B
Retailer 6
-
£2,720 GBP
View
B
Retailer 7
-
£2,825 GBP
View
B
Retailer 8
-
£3,022 GBP
View
B
Retailer 9
-
£3,139 GBP
View
Retailer 10
-
£3,219 GBP
View
Price last confirmed 33 days ago
B
Retailer 11
-
£3,376 GBP
View
Retailer 12
-
£3,399 GBP
View
Price last confirmed 14 days ago
B
Retailer 13
-
£3,665 GBP
View
B
Retailer 14
-
£5,021 GBP
View
C
Retailer 15
-
£5,231 GBP
View
Most Expensive
C
Diamond Quarter
1.04SI1G1228B4C0N · Nov 5
£6,145 GBP
View
15 more retailers have this diamond
Prices start from £2,415 GBPSave up to £3,730 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+
1.04ct Round
£2,415 GBP