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Oval|Natural|GIA

1.50ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 7551849289

Certificate GIA 7551849289

Diamond specifications and retailer prices

From £3,392 GBP
$4,545 USD
As of November 1, 2026
Save £4,115 GBP (55%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: £7,507 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 7551849289. Listed at 31 retailers as of October 30, 2026, with prices from £3,392 to £7,507, a £4,115 spread on the same certified stone. NZ Jewellers lists it at £7,507. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551849289
Dimensions9.33 × 6.30 × 3.73 mm
L/W Ratio1.48
Culet sizeNone
Key to symbols
Feather, Pinpoint
Top View
9.33 mm6.30 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7551849289
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.2%

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: £7,507 GBP|Low: £3,392 GBP|High: £7,507 GBP|Avg: £4,461 GBP
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 18
Retailer 19
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Retailer 24
Retailer 25
Retailer 26
Retailer 27
Retailer 28
Retailer 29
Retailer 30
Retailer 31
November 1, 2026
Retailer 2£3,392 GBP
Retailer 7£3,429 GBP
Retailer 9£3,506 GBP
Retailer 16£3,546 GBP
Retailer 31£3,547 GBP
Retailer 10£3,591 GBP
Retailer 15£3,753 GBP
Retailer 14£3,806 GBP
Retailer 3£3,919 GBP
Retailer 17£3,980 GBP
Retailer 29£4,019 GBP
Retailer 4£4,066 GBP
Retailer 19£4,066 GBP
Retailer 30£4,066 GBP
Retailer 8£4,138 GBP
Retailer 21£4,255 GBP
Retailer 20£4,260 GBP
Retailer 25£4,304 GBP
Retailer 13£4,318 GBP
Retailer 26£4,378 GBP
Retailer 23£4,440 GBP
Retailer 5£4,545 GBP
Retailer 18£4,545 GBP
Retailer 22£4,601 GBP
Retailer 12£4,691 GBP
Retailer 11£4,694 GBP
Retailer 28£4,904 GBP
Retailer 27£5,514 GBP
Retailer 6£6,502 GBP
Retailer 24£6,612 GBP
NZ Jewellers£7,507 GBP

24 data points across 31 retailers

31 retailers£3,392 GBP to £7,507 GBP

B+
Cheapest Retailer
-
£3,392 GBP
$4,545 USD
B+
Retailer 2
-
£3,429 GBP
$4,594 USD
View
B+
Retailer 3
-
£3,506 GBP
$4,698 USD
View
B+
Retailer 4
-
£3,546 GBP
$4,751 USD
View
B+
Retailer 5
-
£3,547 GBP
$4,752 USD
View
B+
Retailer 6
-
£3,591 GBP
$4,811 USD
View
B+
Retailer 7
-
£3,753 GBP
$5,028 USD
View
Final sale: no returns
B+
Retailer 8
-
£3,806 GBP
$5,100 USD
View
B+
Retailer 9
-
£3,919 GBP
CA$7,294 CAD
View
B
Retailer 10
-
£3,980 GBP
$5,333 USD
View
B
Retailer 11
-
£4,019 GBP
$5,386 USD
View
B
Retailer 12
-
£4,066 GBP
$5,448 USD
View
B
Retailer 13
-
£4,066 GBP
$5,448 USD
View
B
Retailer 14
-
£4,066 GBP
$5,448 USD
View
B
Retailer 15
-
£4,138 GBP
$5,544 USD
View
B+
Retailer 16
-
£4,255 GBP
$5,702 USD
View
B+
Retailer 17
-
£4,260 GBP
$5,708 USD
View
Retailer 18
-
£4,304 GBP
A$8,872 AUD
View
Price last confirmed 34 days ago
B+
Retailer 19
-
£4,318 GBP
View
B+
Retailer 20
-
£4,378 GBP
View
B
Retailer 21
-
£4,440 GBP
$5,949 USD
View
B
Retailer 22
-
£4,545 GBP
$6,090 USD
View
B
Retailer 23
-
£4,545 GBP
$6,090 USD
View
B
Retailer 24
-
£4,601 GBP
$6,165 USD
View
B
Retailer 25
-
£4,691 GBP
$6,286 USD
View
B
Retailer 26
-
£4,694 GBP
$6,290 USD
View
B
Retailer 27
-
£4,904 GBP
€6,258 EUR
View
B
Retailer 28
-
£5,514 GBP
ZAR 119,360 ZAR
View
B
Retailer 29
-
£6,502 GBP
$8,712 USD
View
B
Retailer 30
-
£6,612 GBP
View
Most Expensive
B
NZ Jewellers
3a756a26-e7cf-48a9-8c8b-39f5d897f658 · Oct 30
£7,507 GBP
$10,058 USD
View
30 more retailers have this diamond
Prices start from £3,392 GBPSave up to £4,115 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
£3,392 GBP