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Oval|Natural|GIA

1.51ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 2205669294

Shape and cutting style on the report: Oval brilliant

Certificate GIA 2205669294

Diamond specifications and retailer prices

From £4,548 GBP
As of November 5, 2026
Save £5,274 GBP (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £9,822 GBP at NZ Jewellers · As of November 5, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2205669294. Listed at 17 retailers as of November 5, 2026, with prices from £4,548 to £9,822, a £5,274 spread on the same certified stone. NZ Jewellers lists it at £9,822. 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

1.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2205669294
Dimensions8.75 × 6.53 × 4.09 mm
L/W Ratio1.34
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
8.75 mm6.53 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2205669294
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: £9,822 GBP|Low: £4,584 GBP|High: £9,822 GBP|Avg: £6,018 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 6£4,584 GBP
Retailer 7£4,640 GBP
Retailer 3£4,911 GBP
Retailer 9£4,952 GBP
Retailer 11£5,320 GBP
Retailer 8£5,402 GBP
Retailer 4£5,482 GBP
Retailer 2£6,048 GBP
Retailer 10£6,139 GBP
Retailer 5£8,162 GBP
NZ Jewellers£9,822 GBP

44 data points across 11 retailers

17 retailers£4,548 GBP to £9,822 GBP

B
Cheapest Retailer
-
£4,548 GBP
Retailer 2
-
£4,584 GBP
View
Price last confirmed 9 days ago
B
Retailer 3
-
£4,640 GBP
View
B
Retailer 4
-
£4,878 GBP
View
Retailer 5
-
£4,911 GBP
View
Price last confirmed 8 days ago
B
Retailer 6
-
£4,952 GBP
View
B
Retailer 7
-
£5,320 GBP
View
B
Retailer 8
-
£5,402 GBP
View
B
Retailer 9
-
£5,482 GBP
View
B
Retailer 10
-
£5,614 GBP
View
B
Retailer 11
-
£5,887 GBP
View
B
Retailer 12
-
£5,887 GBP
View
B
Retailer 13
-
£6,048 GBP
View
B
Retailer 14
-
£6,081 GBP
View
B
Retailer 15
-
£6,139 GBP
View
B
Retailer 16
-
£8,162 GBP
View
Most Expensive
B
NZ Jewellers
53bf81d3-dcde-4e57-ac7d-922f6235a149 · Nov 5
£9,822 GBP
$13,147 USD
View
16 more retailers have this diamond
Prices start from £4,548 GBPSave up to £5,274 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
£4,548 GBP