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Round|Natural|GIA

1.02ct J IF Round Natural Diamond

EX • J/IF • GIA 2537522178

Certificate GIA 2537522178

Diamond specifications and retailer prices

From £1,721 GBP
As of November 6, 2026
Save £2,193 GBP (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,228 GBP at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2537522178. Listed at 18 retailers as of November 4, 2026, with a 127% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2537522178
Dimensions6.45 × 6.41 × 4.02 mm
L/W Ratio1.01
Top View
6.45 mm6.41 mm1.02 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2537522178
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 41.6°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: Nov 6
Current: £2,398 GBP|Low: £1,712 GBP|High: £4,030 GBP|Avg: £2,544 GBP|-0.5%
Retailer 1
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
November 6, 2026
Retailer 16£1,721 GBP
Retailer 2£2,101 GBP
Retailer 4£2,166 GBP
Retailer 14£2,183 GBP
Retailer 12£2,236 GBP
Retailer 3£2,266 GBP
Retailer 8£2,381 GBP
Retailer 1£2,398 GBP
Retailer 15£2,437 GBP
Retailer 7£2,552 GBP
Retailer 6£2,623 GBP
Retailer 9£2,693 GBP
Retailer 11£2,725 GBP
Retailer 10£2,864 GBP
Retailer 5£3,325 GBP
Retailer 13£3,913 GBP

39 data points across 16 retailers

18 retailers£1,721 GBP to £3,913 GBP

A
Cheapest Retailer
-
£1,721 GBP
A
Retailer 2
-
£2,101 GBP
View
B+
Retailer 3
-
£2,166 GBP
View
Final sale: no returns
B+
Retailer 4
-
£2,183 GBP
View
A
Retailer 5
-
£2,236 GBP
View
B+
Retailer 6
-
£2,266 GBP
View
B+
Retailer 7
-
£2,398 GBP
View
B+
Retailer 8
-
£2,437 GBP
View
Retailer 9
-
£2,552 GBP
View
Price last confirmed 33 days ago
B+
Retailer 10
-
£2,623 GBP
View
B+
Retailer 11
-
£2,693 GBP
View
B+
Retailer 12
-
£2,725 GBP
View
Retailer 13
-
£2,747 GBP
View
Price last confirmed 45 days ago
B+
Retailer 14
-
£2,864 GBP
View
B
Retailer 15
-
£3,325 GBP
View
B
Retailer 16
-
£3,913 GBP
View
Retailer 17
-
£4,108 GBP
View
Price last confirmed 31 days ago
Most Expensive
NZ Jewellers
7e37f086-8460-4633-a6b7-bff0c03fbbf7 · Sep 21
£4,228 GBP
$5,690 USD
View
Price last confirmed 45 days ago
17 more retailers have this diamond
Prices start from £1,721 GBPSave up to £2,193 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 Round
£1,721 GBP