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Oval|Natural|GIA

1.23ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 2544970772

Certificate GIA 2544970772

Diamond specifications and retailer prices

From £2,757 GBP
As of November 7, 2026
Save £2,918 GBP (51%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £5,675 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.23ct natural oval diamond

This 1.23ct natural oval sits in the classic one-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 2544970772. Listed at 22 retailers as of November 1, 2026, with prices from £2,757 to £5,675, a £2,918 spread on the same certified stone. MOH London lists it at £5,675. 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

1.23
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2544970772
Dimensions8.19 × 5.96 × 3.89 mm
L/W Ratio1.37
Top View
8.19 mm5.96 mm1.23 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2544970772
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 7
Current: £5,675 GBP|Low: £2,037 GBP|High: £5,705 GBP|Avg: £2,931 GBP|+20.9%
MOH London
Retailer 2
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Retailer 4
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Retailer 7
Retailer 8
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Retailer 22
Retailer 23
November 6, 2026
Retailer 8£2,037 GBP
Retailer 7£2,165 GBP
Retailer 6£2,216 GBP
Retailer 10£2,291 GBP
Retailer 5£2,327 GBP
Retailer 14£2,463 GBP
Retailer 9£2,495 GBP
Retailer 12£2,555 GBP
Retailer 3£2,840 GBP
Retailer 11£2,843 GBP
Retailer 16£2,977 GBP
Retailer 22£2,979 GBP
Retailer 18£3,047 GBP
Retailer 4£3,059 GBP
Retailer 23£3,063 GBP
Retailer 20£3,515 GBP
Retailer 2£3,715 GBP
Retailer 13£3,891 GBP
Retailer 19£3,934 GBP
Retailer 21£4,019 GBP
Retailer 15£4,167 GBP
Retailer 17£4,380 GBP
MOH London£5,675 GBP

28 data points across 23 retailers

22 retailers£2,757 GBP to £5,675 GBP

Retailer 1
-
£2,037 GBP
Price last confirmed 14 days ago
Retailer 2
-
£2,165 GBP
View
Price last confirmed 17 days ago
Retailer 3
-
£2,327 GBP
View
Price last confirmed 16 days ago
Retailer 4
-
£2,463 GBP
View
Price last confirmed 23 days ago
Retailer 5
-
£2,555 GBP
View
Price last confirmed 17 days ago
B+
Retailer 6
-
£2,757 GBP
View
B+
Retailer 7
-
£2,840 GBP
View
Retailer 8
-
£2,843 GBP
View
Price last confirmed 17 days ago
Retailer 9
-
£2,977 GBP
View
Price last confirmed 30 days ago
B
Retailer 10
-
£2,979 GBP
View
Final sale: no returns
B
Retailer 11
-
£3,047 GBP
View
B
Retailer 12
-
£3,059 GBP
View
B
Retailer 13
-
£3,063 GBP
View
B
Retailer 14
-
£3,515 GBP
View
B
Retailer 15
-
£3,541 GBP
View
B
Retailer 16
-
£3,715 GBP
View
B
Retailer 17
-
£3,891 GBP
View
B
Retailer 18
-
£4,019 GBP
View
Retailer 19
-
£4,167 GBP
View
Price last confirmed 22 days ago
B
Retailer 20
-
£4,380 GBP
View
Retailer 21
-
£4,914 GBP
View
Price last confirmed 49 days ago
Most Expensive
B
MOH London
2630A136A · Nov 1
£5,675 GBP
View
21 more retailers have this diamond
Prices start from £2,757 GBPSave up to £2,918 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+
1.23ct Oval
£2,757 GBP