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Round|Natural|GIA

1.03ct K IF Round Natural Diamond

EX • K/IF • GIA 1166552618

Certificate GIA 1166552618

Diamond specifications and retailer prices

From £2,389 GBP
As of November 6, 2026
Save £2,786 GBP (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £5,176 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1166552618. Listed at 16 retailers as of November 5, 2026, with prices from £2,389 to £5,176, a £2,786 spread on the same certified stone. NZ Jewellers lists it at £5,176. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1166552618
Dimensions6.50 × 6.49 × 4.01 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Culet sizeNone
Cert comments
Minor details of polish are not shown.
Top View
6.50 mm6.49 mm1.03 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1166552618
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.7%

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 6
Current: £2,647 GBP|Low: £2,444 GBP|High: £5,027 GBP|Avg: £3,320 GBP|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7£2,444 GBP
Retailer 1£2,647 GBP
Retailer 2£2,972 GBP
Retailer 5£3,340 GBP
Retailer 4£3,392 GBP
Retailer 3£3,626 GBP
Retailer 6£4,968 GBP

36 data points across 7 retailers

16 retailers£2,389 GBP to £5,176 GBP

B+
Cheapest Retailer
-
£2,389 GBP
B+
Retailer 2
-
£2,444 GBP
View
B+
Retailer 3
-
£2,528 GBP
View
B+
Retailer 4
-
£2,586 GBP
View
B+
Retailer 5
-
£2,647 GBP
View
Retailer 6
-
£2,691 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£2,691 GBP
View
B+
Retailer 8
-
£2,795 GBP
View
B+
Retailer 9
-
£2,972 GBP
View
B+
Retailer 10
-
£3,106 GBP
View
B+
Retailer 11
-
£3,340 GBP
View
Retailer 12
-
£3,363 GBP
View
Price last confirmed 14 days ago
B
Retailer 13
-
£3,392 GBP
View
B
Retailer 14
-
£3,626 GBP
View
B
Retailer 15
-
£4,968 GBP
View
Most Expensive
B
NZ Jewellers
c5ec71fb-ddc5-4447-87f6-e14203e88618 · Nov 5
£5,176 GBP
$6,966 USD
View
15 more retailers have this diamond
Prices start from £2,389 GBPSave up to £2,786 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+
1.03ct Round
£2,389 GBP