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Round|Natural|GIA

1.02ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 7548587258

Certificate GIA 7548587258

Diamond specifications and retailer prices

From £1,651 GBP
As of November 4, 2026
Save £2,737 GBP (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,389 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7548587258. Listed at 8 retailers as of November 4, 2026, with prices from £1,651 to £4,389, a £2,737 spread on the same certified stone. NZ Jewellers lists it at £4,389. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7548587258
Dimensions6.38 × 6.41 × 4.01 mm
L/W Ratio1.00
Girdle conditionSlightly Thick
Key to symbols
Twinning Wisp, Feather
Top View
6.38 mm6.41 mm1.02 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7548587258
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°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: Nov 4
Current: £4,389 GBP|Low: £1,651 GBP|High: £4,389 GBP|Avg: £2,432 GBP
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
November 5, 2026
Retailer 10£1,651 GBP
Retailer 16£1,776 GBP
Retailer 14£1,784 GBP
Retailer 5£2,022 GBP
Retailer 4£2,058 GBP
Retailer 13£2,068 GBP
Retailer 11£2,099 GBP
Retailer 12£2,099 GBP
Retailer 3£2,158 GBP
Retailer 9£2,180 GBP
Retailer 2£2,422 GBP
Retailer 15£2,471 GBP
Retailer 6£2,891 GBP
Retailer 7£3,079 GBP
Retailer 8£3,120 GBP
NZ Jewellers£4,389 GBP

16 data points across 16 retailers

8 retailers£1,651 GBP to £4,389 GBP

A
Cheapest Retailer
-
£1,651 GBP
A
Retailer 2
-
£1,784 GBP
View
B+
Retailer 3
-
£2,068 GBP
View
A
Retailer 4
-
£2,099 GBP
View
Retailer 5
-
£2,099 GBP
View
Price last confirmed 25 days ago
B+
Retailer 6
-
£2,180 GBP
View
B+
Retailer 7
-
£2,422 GBP
View
Most Expensive
B
NZ Jewellers
18fd6d89-aff3-42c4-9a46-158b6e978c2f · Nov 5
£4,389 GBP
$5,874 USD
View
7 more retailers have this diamond
Prices start from £1,651 GBPSave up to £2,737 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
£1,651 GBP