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Oval|Natural|GIA

1.25ct G SI1 Oval Natural Diamond

ID • G/SI1 • GIA 2235520959

Certificate GIA 2235520959

Diamond specifications and retailer prices

From £2,383 GBP
As of November 6, 2026
Save £2,149 GBP (47%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,532 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.25ct natural oval diamond

This 1.25ct natural oval 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 stated by the retailer rather than the lab and certified by GIA 2235520959. Listed at 10 retailers as of November 2, 2026, with prices from £2,383 to £4,532, a £2,149 spread on the same certified stone. NZ Jewellers lists it at £4,532. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle39.23°
Pavilion angle39.73°
OriginNatural
Grading LabGIA
CertificateGIA 2235520959
Dimensions8.21 × 5.92 × 3.83 mm
L/W Ratio1.39
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Needle
Top View
8.21 mm5.92 mm1.25 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2235520959
Side View
Table 58.0%Crown 39.23°Girdle: Slightly Thick to Very ThickPavilion 39.73°Culet: NoneDepth 64.6%

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 6
Current: £4,532 GBP|Low: £2,383 GBP|High: £4,731 GBP|Avg: £3,124 GBP|-4.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3£2,383 GBP
Retailer 5£2,537 GBP
Retailer 4£2,574 GBP
Retailer 8£2,601 GBP
Retailer 7£2,702 GBP
Retailer 9£2,712 GBP
Retailer 10£2,908 GBP
Retailer 2£2,930 GBP
Retailer 6£4,350 GBP
NZ Jewellers£4,532 GBP

30 data points across 10 retailers

10 retailers£2,383 GBP to £4,532 GBP

A
Cheapest Retailer
-
£2,383 GBP
A
Retailer 2
-
£2,537 GBP
View
A
Retailer 3
-
£2,574 GBP
View
A
Retailer 4
-
£2,601 GBP
View
A
Retailer 5
-
£2,702 GBP
View
A
Retailer 6
-
£2,712 GBP
View
Retailer 7
-
£2,908 GBP
View
Price last confirmed 29 days ago
B+
Retailer 8
-
£2,930 GBP
View
B
Retailer 9
-
£4,350 GBP
View
Most Expensive
B
NZ Jewellers
82bf566e-2e46-46c7-abb0-bf551cd5931f · Nov 2
£4,532 GBP
$6,066 USD
View
9 more retailers have this diamond
Prices start from £2,383 GBPSave up to £2,149 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 Oval
£2,383 GBP