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Oval|Natural|GIA

1.02ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 1557813486

Certificate GIA 1557813486

Diamond specifications and retailer prices

From £1,060 GBP
HK$11,100 HKD
As of October 31, 2026
Save £2,325 GBP (69%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,385 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.02ct natural oval diamond

This 1.02ct natural oval sits in the classic one-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 1557813486. Listed at 18 retailers as of October 30, 2026, with prices from £1,060 to £3,385, a £2,325 spread on the same certified stone. NZ Jewellers lists it at £3,385. 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

1.02
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.9°
Pavilion angle38.7°
OriginNatural
Grading LabGIA
CertificateGIA 1557813486
Dimensions8.20 × 5.45 × 3.54 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizeNone
Top View
8.20 mm5.45 mm1.02 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1557813486
Side View
Table 58.0%Crown 35.9°Girdle: THN-VTKPavilion 38.7°Culet: NoneDepth 64.9%

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: £3,385 GBP|Low: £1,032 GBP|High: £3,467 GBP|Avg: £1,546 GBP|-2.4%
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
October 31, 2026
Retailer 10£1,060 GBP
Retailer 3£1,146 GBP
Retailer 15£1,161 GBP
Retailer 14£1,222 GBP
Retailer 6£1,231 GBP
Retailer 8£1,231 GBP
Retailer 5£1,237 GBP
Retailer 7£1,288 GBP
Retailer 13£1,451 GBP
Retailer 16£1,478 GBP
Retailer 17£1,478 GBP
Retailer 11£1,522 GBP
Retailer 4£1,530 GBP
Retailer 2£1,691 GBP
Retailer 12£1,896 GBP
Retailer 9£2,394 GBP
NZ Jewellers£3,385 GBP

31 data points across 17 retailers

18 retailers£1,060 GBP to £3,385 GBP

A
Cheapest Retailer
-
£1,060 GBP
HK$11,100 HKD
A
Retailer 2
-
£1,146 GBP
$1,535 USD
View
B+
Retailer 3
-
£1,161 GBP
$1,555 USD
View
Final sale: no returns
A
Retailer 4
-
£1,222 GBP
$1,638 USD
View
B+
Retailer 5
-
£1,231 GBP
$1,650 USD
View
B+
Retailer 6
-
£1,231 GBP
$1,650 USD
View
B+
Retailer 7
-
£1,237 GBP
$1,658 USD
View
B+
Retailer 8
-
£1,288 GBP
$1,726 USD
View
B+
Retailer 9
-
£1,451 GBP
$1,944 USD
View
B+
Retailer 10
-
£1,478 GBP
$1,980 USD
View
B+
Retailer 11
-
£1,478 GBP
$1,980 USD
View
B+
Retailer 12
-
£1,522 GBP
View
B+
Retailer 13
-
£1,530 GBP
$2,050 USD
View
B
Retailer 14
-
£1,691 GBP
$2,266 USD
View
Retailer 15
-
£1,743 GBP
$2,335 USD
View
Price last confirmed 78 days ago
B
Retailer 16
-
£1,896 GBP
€2,419 EUR
View
B
Retailer 17
-
£2,394 GBP
View
Most Expensive
B
NZ Jewellers
9670f479-501f-40ca-ae27-8c7d92f43a98 · Oct 30
£3,385 GBP
$4,536 USD
View
17 more retailers have this diamond
Prices start from £1,060 GBPSave up to £2,325 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
1.02ct Oval
£1,060 GBP