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Round|Natural|GIA

1.03ct G VS1 Round Natural Diamond

EX • G/VS1 • GIA 6511353666

Certificate GIA 6511353666

Diamond specifications and retailer prices

From £4,112 GBP
As of November 4, 2026
Save £3,565 GBP (46%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £8,741 GBP at NZ Jewellers · As of September 19, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6511353666. Listed at 22 retailers as of November 4, 2026, with a 87% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6511353666
Dimensions6.43 × 6.38 × 4.01 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
6.43 mm6.38 mm1.03 ctG / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6511353666
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.6%

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 4
Current: £4,929 GBP|Low: £4,112 GBP|High: £7,792 GBP|Avg: £5,298 GBP|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8£4,112 GBP
Retailer 2£4,199 GBP
Retailer 10£4,370 GBP
Retailer 4£4,859 GBP
Retailer 1£4,929 GBP
Retailer 7£5,011 GBP
Retailer 9£5,072 GBP
Retailer 5£5,673 GBP
Retailer 3£6,376 GBP
Retailer 6£7,677 GBP

35 data points across 10 retailers

22 retailers£4,112 GBP to £7,677 GBP

B+
Cheapest Retailer
-
£4,112 GBP
B+
Retailer 2
-
£4,129 GBP
View
B+
Retailer 3
-
£4,199 GBP
View
B+
Retailer 4
-
£4,370 GBP
View
Final sale: no returns
B+
Retailer 5
-
£4,663 GBP
View
Retailer 6
-
£4,734 GBP
View
Price last confirmed 50 days ago
B+
Retailer 7
-
£4,859 GBP
View
B+
Retailer 8
-
£4,929 GBP
View
B
Retailer 9
-
£5,011 GBP
View
B
Retailer 10
-
£5,011 GBP
View
Retailer 11
-
£5,011 GBP
View
Price last confirmed 39 days ago
Retailer 12
-
£5,011 GBP
View
Price last confirmed 23 days ago
Retailer 13
-
£5,072 GBP
View
Price last confirmed 15 days ago
B
Retailer 14
-
£5,208 GBP
View
B
Retailer 15
-
£5,208 GBP
View
B
Retailer 16
-
£5,387 GBP
View
Retailer 17
-
£5,462 GBP
View
Price last confirmed 48 days ago
B
Retailer 18
-
£5,673 GBP
View
Retailer 19
-
£5,760 GBP
View
Price last confirmed 14 days ago
B
Retailer 20
-
£6,376 GBP
View
B
Retailer 21
-
£7,677 GBP
View
Most Expensive
NZ Jewellers
e22d1dae-7313-4f59-a87c-656b1a074cf6 · Sep 19
£8,741 GBP
$11,764 USD
View
Price last confirmed 47 days ago
21 more retailers have this diamond
Prices start from £4,112 GBPSave up to £3,565 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
£4,112 GBP