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Oval|Natural|GIA

1.51ct I I1 Oval Natural Diamond

ID • I/I1 • GIA 2407626886

Certificate GIA 2407626886

Diamond specifications and retailer prices

From £3,181 GBP
HK$33,300 HKD
As of November 1, 2026
Save £4,027 GBP (56%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £7,208 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2407626886. Listed at 12 retailers as of October 30, 2026, with prices from £3,181 to £7,208, a £4,027 spread on the same certified stone. NZ Jewellers lists it at £7,208. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2407626886
Dimensions8.75 × 6.40 × 4.10 mm
L/W Ratio1.37
Top View
8.75 mm6.40 mm1.51 ctI / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2407626886
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.0%

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 1
Current: £4,708 GBP|Low: £3,152 GBP|High: £5,138 GBP|Avg: £3,995 GBP|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2£3,162 GBP
Retailer 3£3,181 GBP
Retailer 6£3,242 GBP
Retailer 4£3,406 GBP
Retailer 5£3,904 GBP
Retailer 8£4,366 GBP
Retailer 9£4,366 GBP
Retailer 10£4,515 GBP
Retailer 1£4,708 GBP
Retailer 7£5,138 GBP

20 data points across 10 retailers

12 retailers£3,181 GBP to £7,208 GBP

B+
Cheapest Retailer
-
£3,181 GBP
HK$33,300 HKD
B+
Retailer 2
-
£3,242 GBP
$4,344 USD
View
B+
Retailer 3
-
£3,406 GBP
$4,563 USD
View
B+
Retailer 4
-
£3,904 GBP
$5,231 USD
View
B+
Retailer 5
-
£3,904 GBP
$5,231 USD
View
B+
Retailer 6
-
£3,904 GBP
$5,231 USD
View
B
Retailer 7
-
£4,366 GBP
$5,850 USD
View
B
Retailer 8
-
£4,366 GBP
$5,850 USD
View
B
Retailer 9
-
£4,505 GBP
$6,036 USD
View
B
Retailer 10
-
£4,515 GBP
$6,050 USD
View
B
Retailer 11
-
£4,708 GBP
€6,008 EUR
View
Most Expensive
C
NZ Jewellers
294f1c60-c729-4d1d-9ee9-f506c3c7e32d · Oct 30
£7,208 GBP
$9,658 USD
View
11 more retailers have this diamond
Prices start from £3,181 GBPSave up to £4,027 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+
1.51ct Oval
£3,181 GBP