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Round|Natural|GIA

1.02ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 5506489168

Certificate GIA 5506489168

Diamond specifications and retailer prices

From £1,988 GBP
$2,668 USD
As of November 1, 2026
Save £3,554 GBP (64%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £5,542 GBP at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

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 5506489168. Listed at 23 retailers as of November 1, 2026, with prices from £1,988 to £5,542, a £3,554 spread on the same certified stone. Diamond Quarter lists it at £5,542. 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 angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5506489168
Dimensions6.45 × 6.42 × 3.95 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.45 mm6.42 mm1.02 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5506489168
Side View
Table 57.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 61.6%

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 1
Current: £2,631 GBP|Low: £1,988 GBP|High: £4,789 GBP|Avg: £2,889 GBP|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 18£1,988 GBP
Retailer 6£2,199 GBP
Retailer 5£2,258 GBP
Retailer 7£2,274 GBP
Retailer 11£2,286 GBP
Retailer 9£2,396 GBP
Retailer 19£2,477 GBP
Retailer 21£2,477 GBP
Retailer 8£2,487 GBP
Retailer 20£2,572 GBP
Retailer 1£2,631 GBP
Retailer 13£2,645 GBP
Retailer 12£2,817 GBP
Retailer 22£2,859 GBP
Retailer 10£2,911 GBP
Retailer 14£3,097 GBP
Retailer 3£3,122 GBP
Retailer 4£3,156 GBP
Retailer 17£3,361 GBP
Retailer 15£3,908 GBP
Retailer 16£4,573 GBP
Retailer 2£4,764 GBP

25 data points across 22 retailers

23 retailers£1,988 GBP to £5,542 GBP

A
Cheapest Retailer
-
£1,988 GBP
$2,668 USD
B+
Retailer 2
-
£2,199 GBP
$2,951 USD
View
B+
Retailer 3
-
£2,258 GBP
$3,030 USD
View
B+
Retailer 4
-
£2,274 GBP
$3,051 USD
View
B+
Retailer 5
-
£2,286 GBP
$3,068 USD
View
Final sale: no returns
B+
Retailer 6
-
£2,396 GBP
$3,215 USD
View
B+
Retailer 7
-
£2,477 GBP
$3,324 USD
View
B+
Retailer 8
-
£2,477 GBP
$3,324 USD
View
B+
Retailer 9
-
£2,487 GBP
$3,338 USD
View
B+
Retailer 10
-
£2,572 GBP
$3,452 USD
View
B+
Retailer 11
-
£2,631 GBP
View
B+
Retailer 12
-
£2,645 GBP
$3,550 USD
View
B+
Retailer 13
-
£2,817 GBP
View
B+
Retailer 14
-
£2,859 GBP
$3,836 USD
View
B+
Retailer 15
-
£2,911 GBP
$3,906 USD
View
Retailer 16
-
£3,097 GBP
$4,156 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
£3,122 GBP
$4,190 USD
View
B+
Retailer 18
-
£3,156 GBP
View
B
Retailer 19
-
£3,361 GBP
ZAR 72,865 ZAR
View
B
Retailer 20
-
£3,908 GBP
$5,244 USD
View
B
Retailer 21
-
£4,573 GBP
View
B
Retailer 22
-
£4,764 GBP
$6,393 USD
View
Most Expensive
B
Diamond Quarter
1.02SI1F5568A18FN · Nov 2
£5,542 GBP
View
22 more retailers have this diamond
Prices start from £1,988 GBPSave up to £3,554 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
£1,988 GBP