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Oval|Natural|GIA

1.02ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 5556514769

Certificate GIA 5556514769

Diamond specifications and retailer prices

From £1,018 GBP
$1,364 USD
As of October 28, 2026
Save £881 GBP (46%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,899 GBP at Helzberg Diamonds · As of October 28, 2026
View at Helzberg Diamonds

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 5556514769. Listed at 13 retailers as of October 28, 2026, with prices from £1,018 to £1,899, a £881 spread on the same certified stone. Helzberg Diamonds lists it at £1,899. 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
SymmetryExcellent
FluorescenceNone
Crown angle40.08°
Pavilion angle39.91°
OriginNatural
Grading LabGIA
CertificateGIA 5556514769
Dimensions7.89 × 5.64 × 3.53 mm
L/W Ratio1.40
Culet sizeNone
Top View
7.89 mm5.64 mm1.02 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556514769
Side View
Table 60.0%Crown 40.08°Girdle: MED-THKPavilion 39.91°Culet: NoneDepth 62.6%

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 28
Current: £1,899 GBP|Low: £1,018 GBP|High: £1,976 GBP|Avg: £1,378 GBP|-3.9%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 4£1,018 GBP
Retailer 9£1,048 GBP
Retailer 7£1,059 GBP
Retailer 8£1,077 GBP
Retailer 12£1,154 GBP
Retailer 2£1,184 GBP
Retailer 10£1,283 GBP
Retailer 5£1,328 GBP
Retailer 11£1,440 GBP
Retailer 6£1,521 GBP
Retailer 3£1,743 GBP
Helzberg Diamonds£1,899 GBP

38 data points across 12 retailers

13 retailers£1,018 GBP to £1,899 GBP

A
Cheapest Retailer
-
£1,018 GBP
$1,364 USD
A
Retailer 2
-
£1,048 GBP
SGD 1,897 SGD
View
A
Retailer 3
-
£1,059 GBP
$1,419 USD
View
A
Retailer 4
-
£1,077 GBP
$1,443 USD
View
A
Retailer 5
-
£1,154 GBP
SGD 2,090 SGD
View
A
Retailer 6
-
£1,184 GBP
View
B+
Retailer 7
-
£1,239 GBP
$1,660 USD
View
B+
Retailer 8
-
£1,283 GBP
$1,719 USD
View
B+
Retailer 9
-
£1,328 GBP
$1,780 USD
View
B+
Retailer 10
-
£1,440 GBP
$1,930 USD
View
B+
Retailer 11
-
£1,521 GBP
€1,941 EUR
View
B
Retailer 12
-
£1,743 GBP
$2,336 USD
View
Most Expensive
B
Helzberg Diamonds
XZRLLLMLHKNMP · Oct 28
£1,899 GBP
$2,545 USD
View
12 more retailers have this diamond
Prices start from £1,018 GBPSave up to £881 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
£1,018 GBP