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Oval|Natural|GIA

1.40ct M SI1 Oval Natural Diamond

M/SI1 • GIA 2548068938

Certificate GIA 2548068938

Diamond specifications and retailer prices

From £1,783 GBP
As of November 6, 2026
Save £2,010 GBP (53%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,793 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.4ct natural oval diamond

This 1.4ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included) and certified by GIA 2548068938. Listed at 9 retailers as of November 5, 2026, with prices from £1,783 to £3,793, a £2,010 spread on the same certified stone. NZ Jewellers lists it at £3,793. 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

1.40
Carat
M
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2548068938
Dimensions8.75 × 6.14 × 3.85 mm
L/W Ratio1.43
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Cloud, Indented Natural
Top View
8.75 mm6.14 mm1.40 ctM / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2548068938
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 62.7%

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: £3,793 GBP|Low: £1,412 GBP|High: £3,793 GBP|Avg: £2,078 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3£1,412 GBP
Retailer 2£1,783 GBP
Retailer 10£1,804 GBP
Retailer 6£1,814 GBP
Retailer 8£1,814 GBP
Retailer 9£1,898 GBP
Retailer 11£1,901 GBP
Retailer 7£2,093 GBP
Retailer 5£2,214 GBP
Retailer 4£2,253 GBP
NZ Jewellers£3,793 GBP

41 data points across 11 retailers

9 retailers£1,783 GBP to £3,793 GBP

B+
Cheapest Retailer
-
£1,783 GBP
B
Retailer 2
-
£1,804 GBP
View
Retailer 3
-
£1,814 GBP
View
Price last confirmed 8 days ago
B
Retailer 4
-
£1,814 GBP
View
B
Retailer 5
-
£1,898 GBP
View
B
Retailer 6
-
£2,093 GBP
View
B
Retailer 7
-
£2,214 GBP
View
B
Retailer 8
-
£2,253 GBP
View
Most Expensive
C
NZ Jewellers
83082be9-0c36-455d-9724-14383168e815 · Nov 5
£3,793 GBP
$5,077 USD
View
8 more retailers have this diamond
Prices start from £1,783 GBPSave up to £2,010 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+
1.40ct Oval
£1,783 GBP