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Oval|Natural|GIA

1.02ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 2564414268

Certificate GIA 2564414268

Diamond specifications and retailer prices

From £1,090 GBP
$1,460 USD
As of October 31, 2026
Save £946 GBP (46%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,036 GBP at Helzberg Diamonds · As of October 30, 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 2564414268. Listed at 13 retailers as of October 30, 2026, with prices from £1,090 to £2,036, a £946 spread on the same certified stone. Helzberg Diamonds lists it at £2,036. 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 angle37.66°
Pavilion angle40.98°
OriginNatural
Grading LabGIA
CertificateGIA 2564414268
Dimensions7.95 × 5.70 × 3.56 mm
L/W Ratio1.39
Culet sizeNone
Top View
7.95 mm5.70 mm1.02 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564414268
Side View
Table 59.0%Crown 37.66°Girdle: MED-THKPavilion 40.98°Culet: NoneDepth 62.5%

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: £2,036 GBP|Low: £1,090 GBP|High: £2,036 GBP|Avg: £1,351 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 13£1,090 GBP
Retailer 5£1,131 GBP
Retailer 10£1,136 GBP
Retailer 6£1,136 GBP
Retailer 3£1,175 GBP
Retailer 12£1,238 GBP
Retailer 8£1,273 GBP
Retailer 7£1,371 GBP
Retailer 2£1,425 GBP
Retailer 11£1,521 GBP
Retailer 9£1,596 GBP
Retailer 4£1,884 GBP
Helzberg Diamonds£2,036 GBP

34 data points across 13 retailers

13 retailers£1,090 GBP to £2,036 GBP

A
Cheapest Retailer
-
£1,090 GBP
$1,460 USD
A
Retailer 2
-
£1,131 GBP
SGD 2,047 SGD
View
A
Retailer 3
-
£1,136 GBP
$1,522 USD
View
A
Retailer 4
-
£1,136 GBP
$1,522 USD
View
A
Retailer 5
-
£1,175 GBP
$1,575 USD
View
B+
Retailer 6
-
£1,238 GBP
SGD 2,241 SGD
View
B+
Retailer 7
-
£1,273 GBP
View
B+
Retailer 8
-
£1,371 GBP
$1,837 USD
View
B+
Retailer 9
-
£1,425 GBP
$1,909 USD
View
B+
Retailer 10
-
£1,521 GBP
$2,037 USD
View
B+
Retailer 11
-
£1,596 GBP
€2,036 EUR
View
B
Retailer 12
-
£1,884 GBP
$2,525 USD
View
Most Expensive
B
Helzberg Diamonds
XZRILMKKHKIMO · Oct 30
£2,036 GBP
$2,728 USD
View
12 more retailers have this diamond
Prices start from £1,090 GBPSave up to £946 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
£1,090 GBP