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Round|Natural|GIA

1.03ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 1505031526

Certificate GIA 1505031526

Diamond specifications and retailer prices

From £1,645 GBP
As of November 4, 2026
Save £2,193 GBP (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,838 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1505031526. Listed at 14 retailers as of November 4, 2026, with prices from £1,645 to £3,838, a £2,193 spread on the same certified stone. NZ Jewellers lists it at £3,838. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1505031526
Dimensions6.48 × 6.44 × 4.00 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Feather, Needle
Top View
6.48 mm6.44 mm1.03 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1505031526
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

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: £1,930 GBP|Low: £1,645 GBP|High: £3,254 GBP|Avg: £2,165 GBP|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6£1,645 GBP
Retailer 7£1,694 GBP
Retailer 8£1,824 GBP
Retailer 9£1,921 GBP
Retailer 1£1,930 GBP
Retailer 2£2,104 GBP
Retailer 3£2,240 GBP
Retailer 5£2,285 GBP
Retailer 4£3,207 GBP

42 data points across 9 retailers

14 retailers£1,645 GBP to £3,838 GBP

A
Cheapest Retailer
-
£1,645 GBP
A
Retailer 2
-
£1,694 GBP
View
B+
Retailer 3
-
£1,824 GBP
View
Retailer 4
-
£1,836 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£1,836 GBP
View
B+
Retailer 6
-
£1,921 GBP
View
B+
Retailer 7
-
£1,930 GBP
View
B+
Retailer 8
-
£1,939 GBP
View
B+
Retailer 9
-
£2,104 GBP
View
B+
Retailer 10
-
£2,118 GBP
View
B
Retailer 11
-
£2,240 GBP
View
B+
Retailer 12
-
£2,285 GBP
View
B
Retailer 13
-
£3,207 GBP
View
Most Expensive
B
NZ Jewellers
9993498a-0902-4d10-bc7a-519b4bcd8eaf · Nov 5
£3,838 GBP
$5,165 USD
View
13 more retailers have this diamond
Prices start from £1,645 GBPSave up to £2,193 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
1.03ct Round
£1,645 GBP