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Oval|Natural|GIA

1.50ct J I1 Oval Natural Diamond

ID • J/I1 • GIA 7358231674

Certificate GIA 7358231674

Diamond specifications and retailer prices

From £2,200 GBP
$2,948 USD
As of October 30, 2026
Save £2,076 GBP (49%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,276 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded J 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 7358231674. Listed at 7 retailers as of October 30, 2026, with prices from £2,200 to £4,276, a £2,076 spread on the same certified stone. NZ Jewellers lists it at £4,276. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
J
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7358231674
Dimensions8.68 × 6.36 × 4.19 mm
L/W Ratio1.36
Cert comments
Additional twinning wisps, pinpoints and surface graining are not shown.
Key to symbols
Twinning Wisp, Crystal, Feather, Needle, Natural
Top View
8.68 mm6.36 mm1.50 ctJ / I1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7358231674
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 66.0%

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: Oct 30
Current: £4,276 GBP|Low: £1,750 GBP|High: £4,276 GBP|Avg: £2,673 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 8£1,750 GBP
Retailer 6£2,200 GBP
Retailer 4£2,455 GBP
Retailer 7£2,455 GBP
Retailer 3£2,549 GBP
Retailer 5£2,832 GBP
Retailer 2£2,874 GBP
NZ Jewellers£4,276 GBP

17 data points across 8 retailers

7 retailers£2,200 GBP to £4,276 GBP

B+
Cheapest Retailer
-
£2,200 GBP
$2,948 USD
B+
Retailer 2
-
£2,455 GBP
$3,289 USD
View
B+
Retailer 3
-
£2,549 GBP
$3,415 USD
View
B+
Retailer 4
-
£2,832 GBP
$3,795 USD
View
B+
Retailer 5
-
£2,874 GBP
€3,668 EUR
View
Retailer 6
-
£4,276 GBP
$5,730 USD
View
Price last confirmed 44 days ago
Most Expensive
B
NZ Jewellers
32c13deb-8b9a-4724-8d58-01bc1dbec2dc · Oct 30
£4,276 GBP
$5,730 USD
View
6 more retailers have this diamond
Prices start from £2,200 GBPSave up to £2,076 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+
1.50ct Oval
£2,200 GBP