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Oval|Natural|GIA

1.50ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 2517328239

Certificate GIA 2517328239

Diamond specifications and retailer prices

From £3,183 GBP
$4,265 USD
As of October 28, 2026
Save £3,701 GBP (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £6,884 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2517328239. Listed at 17 retailers as of October 28, 2026, with prices from £3,183 to £6,884, a £3,701 spread on the same certified stone. NZ Jewellers lists it at £6,884. 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

1.50
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle40.08°
Pavilion angle40.76°
OriginNatural
Grading LabGIA
CertificateGIA 2517328239
Dimensions8.76 × 6.36 × 4.10 mm
L/W Ratio1.38
Top View
8.76 mm6.36 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2517328239
Side View
Table 59.0%Crown 40.08°Girdle: STK-VTKPavilion 40.76°Culet: NoneDepth 64.5%

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 28
Current: £6,884 GBP|Low: £2,980 GBP|High: £6,884 GBP|Avg: £4,395 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 8£3,183 GBP
Retailer 10£3,252 GBP
Retailer 11£3,442 GBP
Retailer 9£3,502 GBP
Retailer 4£3,729 GBP
Retailer 12£3,729 GBP
Retailer 13£3,729 GBP
Retailer 6£4,015 GBP
Retailer 3£4,303 GBP
Retailer 2£4,659 GBP
Retailer 5£4,898 GBP
Retailer 7£6,564 GBP
NZ Jewellers£6,884 GBP

41 data points across 13 retailers

17 retailers£3,183 GBP to £6,884 GBP

B+
Cheapest Retailer
-
£3,183 GBP
$4,265 USD
B+
Retailer 2
-
£3,215 GBP
$4,308 USD
View
B+
Retailer 3
-
£3,252 GBP
$4,357 USD
View
B+
Retailer 4
-
£3,442 GBP
$4,612 USD
View
Final sale: no returns
B+
Retailer 5
-
£3,502 GBP
$4,692 USD
View
B+
Retailer 6
-
£3,694 GBP
$4,950 USD
View
B+
Retailer 7
-
£3,729 GBP
$4,996 USD
View
B+
Retailer 8
-
£3,729 GBP
$4,996 USD
View
B+
Retailer 9
-
£3,729 GBP
$4,996 USD
View
B
Retailer 10
-
£4,015 GBP
View
B
Retailer 11
-
£4,105 GBP
$5,500 USD
View
B
Retailer 12
-
£4,105 GBP
$5,500 USD
View
B
Retailer 13
-
£4,239 GBP
$5,680 USD
View
B
Retailer 14
-
£4,303 GBP
$5,765 USD
View
B
Retailer 15
-
£4,659 GBP
€5,945 EUR
View
B
Retailer 16
-
£6,564 GBP
View
Most Expensive
C
NZ Jewellers
4883bf1c-cde8-4b6c-89b3-bd5cb4b4b297 · Oct 30
£6,884 GBP
$9,224 USD
View
16 more retailers have this diamond
Prices start from £3,183 GBPSave up to £3,701 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
£3,183 GBP