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Round|Natural|GIA

1.02ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 7526161819

Certificate GIA 7526161819

Diamond specifications and retailer prices

From £1,129 GBP
As of November 6, 2026
Save £1,750 GBP (61%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,880 GBP at NZ Jewellers · As of November 5, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7526161819. Listed at 11 retailers as of November 5, 2026, with prices from £1,129 to £2,880, a £1,750 spread on the same certified stone. NZ Jewellers lists it at £2,880. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7526161819
Dimensions6.45 × 6.40 × 4.00 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Crystal
Top View
6.45 mm6.40 mm1.02 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7526161819
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

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: £2,880 GBP|Low: £1,129 GBP|High: £2,928 GBP|Avg: £1,499 GBP|-1.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2£1,129 GBP
Retailer 7£1,181 GBP
Retailer 9£1,181 GBP
Retailer 10£1,235 GBP
Retailer 3£1,293 GBP
Retailer 4£1,302 GBP
Retailer 11£1,324 GBP
Retailer 8£1,363 GBP
Retailer 5£1,449 GBP
Retailer 6£2,063 GBP
NZ Jewellers£2,880 GBP

31 data points across 11 retailers

11 retailers£1,129 GBP to £2,880 GBP

A
Cheapest Retailer
-
£1,129 GBP
A
Retailer 2
-
£1,181 GBP
View
Retailer 3
-
£1,181 GBP
View
Price last confirmed 8 days ago
A
Retailer 4
-
£1,235 GBP
View
Retailer 5
-
£1,293 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£1,302 GBP
View
B+
Retailer 7
-
£1,324 GBP
View
A
Retailer 8
-
£1,363 GBP
View
B+
Retailer 9
-
£1,449 GBP
View
B
Retailer 10
-
£2,063 GBP
View
Most Expensive
B
NZ Jewellers
fe0a5586-2fca-4c97-8bb2-08f3cda9bbc3 · Nov 5
£2,880 GBP
$3,876 USD
View
10 more retailers have this diamond
Prices start from £1,129 GBPSave up to £1,750 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
£1,129 GBP