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Oval|Natural|GIA

1.31ct J VS1 Oval Natural Diamond

ID • J/VS1 • GIA 1538950512

Certificate GIA 1538950512

Diamond specifications and retailer prices

From £3,040 GBP
$4,073 USD
As of October 31, 2026
Save £3,391 GBP (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £6,430 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.31ct natural oval diamond

This 1.31ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1538950512. Listed at 20 retailers as of October 30, 2026, with prices from £3,040 to £6,430, a £3,391 spread on the same certified stone. NZ Jewellers lists it at £6,430. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
J
Colour
VS1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle37.9°
OriginNatural
Grading LabGIA
CertificateGIA 1538950512
Dimensions8.84 × 6.25 × 3.77 mm
L/W Ratio1.41
Culet sizeNone
Key to symbols
Feather, Pinpoint
Top View
8.84 mm6.25 mm1.31 ctJ / VS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1538950512
Side View
Table 62.0%Crown 34.1°Girdle: THN-STKPavilion 37.9°Culet: NoneDepth 60.4%

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 31
Current: £6,430 GBP|Low: £3,199 GBP|High: £6,430 GBP|Avg: £4,108 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
Retailer 14
October 31, 2026
Retailer 9£3,219 GBP
Retailer 4£3,353 GBP
Retailer 6£3,377 GBP
Retailer 10£3,548 GBP
Retailer 7£3,838 GBP
Retailer 12£3,844 GBP
Retailer 13£3,844 GBP
Retailer 14£3,844 GBP
Retailer 11£3,876 GBP
Retailer 5£3,903 GBP
Retailer 3£4,436 GBP
Retailer 2£4,726 GBP
Retailer 8£6,156 GBP
NZ Jewellers£6,430 GBP

42 data points across 14 retailers

20 retailers£3,040 GBP to £6,430 GBP

B+
Cheapest Retailer
-
£3,040 GBP
$4,073 USD
B+
Retailer 2
-
£3,219 GBP
SGD 5,828 SGD
View
B+
Retailer 3
-
£3,353 GBP
$4,492 USD
View
B+
Retailer 4
-
£3,548 GBP
$4,754 USD
View
Final sale: no returns
B+
Retailer 5
-
£3,612 GBP
$4,840 USD
View
B+
Retailer 6
-
£3,838 GBP
View
B
Retailer 7
-
£3,844 GBP
$5,151 USD
View
Retailer 8
-
£3,844 GBP
$5,151 USD
View
Price last confirmed 33 days ago
B
Retailer 9
-
£3,844 GBP
$5,151 USD
View
B
Retailer 10
-
£3,844 GBP
$5,151 USD
View
Retailer 11
-
£3,876 GBP
A$7,989 AUD
View
Price last confirmed 22 days ago
B
Retailer 12
-
£3,899 GBP
$5,224 USD
View
B
Retailer 13
-
£3,903 GBP
$5,230 USD
View
B
Retailer 14
-
£3,958 GBP
$5,304 USD
View
B
Retailer 15
-
£4,436 GBP
$5,944 USD
View
Retailer 16
-
£4,436 GBP
$5,944 USD
View
Price last confirmed 33 days ago
B
Retailer 17
-
£4,726 GBP
ZAR 102,294 ZAR
View
B
Retailer 18
-
£6,156 GBP
View
Retailer 19
-
£6,430 GBP
$8,616 USD
View
Price last confirmed 34 days ago
Most Expensive
B
NZ Jewellers
0523df84-5f90-400a-9768-794a0fdc2e7a · Oct 30
£6,430 GBP
$8,616 USD
View
19 more retailers have this diamond
Prices start from £3,040 GBPSave up to £3,391 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+
1.31ct Oval
£3,040 GBP