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Oval|Natural|GIA

1.50ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 7528704108

Certificate GIA 7528704108

Diamond specifications and retailer prices

From £2,579 GBP
HK$27,000 HKD
As of October 31, 2026
Save £3,305 GBP (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £5,884 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7528704108. Listed at 23 retailers as of October 30, 2026, with prices from £2,579 to £5,884, a £3,305 spread on the same certified stone. NZ Jewellers lists it at £5,884. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7528704108
Dimensions8.83 × 6.45 × 3.98 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Needle, Pinpoint
Top View
8.83 mm6.45 mm1.50 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7528704108
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £5,884 GBP|Low: £2,560 GBP|High: £6,052 GBP|Avg: £3,567 GBP|-2.8%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 12£2,579 GBP
Retailer 11£2,703 GBP
Retailer 2£2,758 GBP
Retailer 4£3,011 GBP
Retailer 10£3,164 GBP
Retailer 13£3,194 GBP
Retailer 16£3,259 GBP
Retailer 7£3,284 GBP
Retailer 3£3,377 GBP
Retailer 8£3,377 GBP
Retailer 9£3,377 GBP
Retailer 14£3,455 GBP
Retailer 5£3,478 GBP
Retailer 19£3,489 GBP
Retailer 15£3,822 GBP
Retailer 6£3,897 GBP
Retailer 18£4,112 GBP
Retailer 17£5,407 GBP
NZ Jewellers£5,884 GBP

20 data points across 19 retailers

23 retailers£2,579 GBP to £5,884 GBP

A
Cheapest Retailer
-
£2,579 GBP
HK$27,000 HKD
A
Retailer 2
-
£2,703 GBP
SGD 4,894 SGD
View
A
Retailer 3
-
£2,758 GBP
₹351,908 INR
View
A
Retailer 4
-
£3,011 GBP
$4,035 USD
View
Retailer 5
-
£3,164 GBP
$4,240 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
£3,194 GBP
$4,280 USD
View
B+
Retailer 7
-
£3,225 GBP
$4,321 USD
View
Final sale: no returns
B+
Retailer 8
-
£3,250 GBP
$4,355 USD
View
B+
Retailer 9
-
£3,259 GBP
View
B+
Retailer 10
-
£3,284 GBP
SGD 5,947 SGD
View
B+
Retailer 11
-
£3,377 GBP
$4,525 USD
View
B+
Retailer 12
-
£3,377 GBP
$4,525 USD
View
B+
Retailer 13
-
£3,377 GBP
$4,525 USD
View
B+
Retailer 14
-
£3,455 GBP
View
B+
Retailer 15
-
£3,478 GBP
$4,660 USD
View
B+
Retailer 16
-
£3,489 GBP
$4,675 USD
View
Retailer 17
-
£3,522 GBP
A$7,259 AUD
View
Price last confirmed 21 days ago
B+
Retailer 18
-
£3,822 GBP
€4,877 EUR
View
B+
Retailer 19
-
£3,897 GBP
$5,221 USD
View
Retailer 20
-
£4,009 GBP
$5,371 USD
View
Price last confirmed 12 days ago
B
Retailer 21
-
£4,112 GBP
ZAR 89,017 ZAR
View
B
Retailer 22
-
£5,407 GBP
View
Most Expensive
B
NZ Jewellers
252448c4-1b8e-47b9-bb16-5cb133090279 · Oct 30
£5,884 GBP
$7,884 USD
View
22 more retailers have this diamond
Prices start from £2,579 GBPSave up to £3,305 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.

A
1.50ct Oval
£2,579 GBP