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Round|Natural|GIA

1.25ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2277695472

Certificate GIA 2277695472

Diamond specifications and retailer prices

From £3,588 GBP
As of November 6, 2026
Save £1,309 GBP (27%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £4,897 GBP at Yorxs · As of November 6, 2026
View at Yorxs

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 top-tier cut grade and certified by GIA 2277695472. Listed at 6 retailers as of November 6, 2026, with prices from £3,588 to £4,897, a £1,309 spread on the same certified stone. Yorxs lists it at £4,897. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2277695472
Dimensions6.84 × 6.87 × 4.32 mm
L/W Ratio1.00
Top View
6.84 mm6.87 mm1.25 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2277695472
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.0%

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: £4,889 GBP|Low: £3,539 GBP|High: £4,962 GBP|Avg: £4,447 GBP|+0.8%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 6, 2026
Retailer 3£3,588 GBP
Retailer 2£4,396 GBP
Retailer 1£4,889 GBP
Yorxs£4,897 GBP

39 data points across 4 retailers

6 retailers£3,588 GBP to £4,897 GBP

B+
Cheapest Retailer
-
£3,588 GBP
B+
Retailer 2
-
£3,661 GBP
View
B+
Retailer 3
-
£3,815 GBP
View
B+
Retailer 4
-
£4,396 GBP
View
B
Retailer 5
-
£4,889 GBP
View
Most Expensive
B
Yorxs
OTI497 · Nov 6
£4,897 GBP
€6,243 EUR
View
5 more retailers have this diamond
Prices start from £3,588 GBPSave up to £1,309 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
£3,588 GBP