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Round|Natural|GIA

1.02ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2243027980

Certificate GIA 2243027980

Diamond specifications and retailer prices

From £2,290 GBP
$3,073 USD
As of November 1, 2026
Save £2,671 GBP (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,961 GBP at NZ Jewellers · As of November 2, 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 2243027980. Listed at 20 retailers as of November 1, 2026, with prices from £2,290 to £4,961, a £2,671 spread on the same certified stone. NZ Jewellers lists it at £4,961. 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 angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2243027980
Dimensions6.42 × 6.46 × 3.96 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Pinpoint
Top View
6.42 mm6.46 mm1.02 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2243027980
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £4,961 GBP|Low: £2,290 GBP|High: £4,961 GBP|Avg: £3,055 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 5£2,290 GBP
Retailer 6£2,347 GBP
Retailer 8£2,380 GBP
Retailer 20£2,393 GBP
Retailer 10£2,485 GBP
Retailer 3£2,580 GBP
Retailer 17£2,580 GBP
Retailer 11£2,586 GBP
Retailer 19£2,679 GBP
Retailer 13£2,740 GBP
Retailer 14£2,870 GBP
Retailer 18£2,926 GBP
Retailer 9£2,976 GBP
Retailer 12£3,069 GBP
Retailer 4£3,284 GBP
Retailer 2£3,321 GBP
Retailer 16£3,500 GBP
Retailer 7£4,344 GBP
Retailer 15£4,762 GBP
NZ Jewellers£4,961 GBP

7 data points across 20 retailers

20 retailers£2,290 GBP to £4,961 GBP

B+
Cheapest Retailer
-
£2,290 GBP
$3,073 USD
B+
Retailer 2
-
£2,347 GBP
$3,150 USD
View
B+
Retailer 3
-
£2,380 GBP
$3,194 USD
View
Final sale: no returns
B+
Retailer 4
-
£2,393 GBP
$3,211 USD
View
B+
Retailer 5
-
£2,485 GBP
$3,335 USD
View
B+
Retailer 6
-
£2,580 GBP
$3,462 USD
View
B+
Retailer 7
-
£2,580 GBP
$3,462 USD
View
B+
Retailer 8
-
£2,586 GBP
$3,471 USD
View
B+
Retailer 9
-
£2,679 GBP
$3,595 USD
View
B+
Retailer 10
-
£2,740 GBP
View
B+
Retailer 11
-
£2,870 GBP
View
B+
Retailer 12
-
£2,926 GBP
$3,926 USD
View
B+
Retailer 13
-
£2,976 GBP
$3,994 USD
View
B+
Retailer 14
-
£3,069 GBP
$4,118 USD
View
B
Retailer 15
-
£3,284 GBP
View
B
Retailer 16
-
£3,321 GBP
€4,245 EUR
View
B
Retailer 17
-
£3,500 GBP
ZAR 75,877 ZAR
View
B
Retailer 18
-
£4,344 GBP
View
B
Retailer 19
-
£4,762 GBP
View
Most Expensive
B
NZ Jewellers
f1bd91c0-2edb-41d0-aca1-2e6df7573b54 · Nov 2
£4,961 GBP
$6,657 USD
View
19 more retailers have this diamond
Prices start from £2,290 GBPSave up to £2,671 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.

B+
1.02ct Round
£2,290 GBP