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Oval|Natural|GIA

1.50ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 6555650202

Certificate GIA 6555650202

Diamond specifications and retailer prices

From £2,727 GBP
$3,654 USD
As of October 31, 2026
Save £3,110 GBP (53%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £5,837 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 6555650202. Listed at 22 retailers as of October 30, 2026, with prices from £2,727 to £5,837, a £3,110 spread on the same certified stone. NZ Jewellers lists it at £5,837. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555650202
Dimensions8.65 × 6.19 × 3.96 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Indented Natural, Natural
Top View
8.65 mm6.19 mm1.50 ctJ / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555650202
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.0%

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: £5,837 GBP|Low: £2,727 GBP|High: £6,049 GBP|Avg: £3,660 GBP|-3.5%
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
Retailer 20
Retailer 21
November 1, 2026
Retailer 10£2,727 GBP
Retailer 5£2,802 GBP
Retailer 6£2,845 GBP
Retailer 17£2,847 GBP
Retailer 7£3,019 GBP
Retailer 20£3,026 GBP
Retailer 3£3,035 GBP
Retailer 4£3,035 GBP
Retailer 21£3,035 GBP
Retailer 15£3,079 GBP
Retailer 2£3,224 GBP
Retailer 9£3,324 GBP
Retailer 13£3,428 GBP
Retailer 19£3,503 GBP
Retailer 8£3,515 GBP
Retailer 14£3,523 GBP
Retailer 18£3,606 GBP
Retailer 16£4,118 GBP
Retailer 11£4,568 GBP
Retailer 12£5,537 GBP
NZ Jewellers£5,837 GBP

22 data points across 21 retailers

22 retailers£2,727 GBP to £5,837 GBP

A
Cheapest Retailer
-
£2,727 GBP
$3,654 USD
A
Retailer 2
-
£2,802 GBP
$3,754 USD
View
Final sale: no returns
A
Retailer 3
-
£2,845 GBP
$3,812 USD
View
A
Retailer 4
-
£2,847 GBP
$3,815 USD
View
B+
Retailer 5
-
£3,019 GBP
$4,045 USD
View
B+
Retailer 6
-
£3,026 GBP
$4,054 USD
View
B+
Retailer 7
-
£3,035 GBP
$4,067 USD
View
B+
Retailer 8
-
£3,035 GBP
$4,067 USD
View
B+
Retailer 9
-
£3,035 GBP
$4,067 USD
View
B+
Retailer 10
-
£3,079 GBP
$4,125 USD
View
B+
Retailer 11
-
£3,224 GBP
View
B+
Retailer 12
-
£3,324 GBP
$4,454 USD
View
B+
Retailer 13
-
£3,428 GBP
View
Retailer 14
-
£3,500 GBP
A$7,215 AUD
View
Price last confirmed 23 days ago
B+
Retailer 15
-
£3,503 GBP
$4,693 USD
View
B+
Retailer 16
-
£3,515 GBP
$4,709 USD
View
Retailer 17
-
£3,523 GBP
$4,720 USD
View
Price last confirmed 17 days ago
B+
Retailer 18
-
£3,606 GBP
€4,601 EUR
View
B
Retailer 19
-
£4,118 GBP
ZAR 89,144 ZAR
View
B
Retailer 20
-
£4,568 GBP
$6,120 USD
View
B
Retailer 21
-
£5,537 GBP
View
Most Expensive
B
NZ Jewellers
eea088da-c988-4125-ad18-59a278d9a39f · Oct 30
£5,837 GBP
$7,821 USD
View
21 more retailers have this diamond
Prices start from £2,727 GBPSave up to £3,110 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
£2,727 GBP