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Round|Natural|GIA

1.03ct G VS1 Round Natural Diamond

EX • G/VS1 • GIA 2507372111

Certificate GIA 2507372111

Diamond specifications and retailer prices

From £3,396 GBP
As of November 4, 2026
Save £3,803 GBP (53%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £7,200 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 2507372111. Listed at 23 retailers as of November 4, 2026, with prices from £3,396 to £7,200, a £3,803 spread on the same certified stone. Diamond Quarter lists it at £7,200. 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
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2507372111
Dimensions6.47 × 6.45 × 4.02 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.47 mm6.45 mm1.03 ctG / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2507372111
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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: £3,462 GBP|Low: £3,421 GBP|High: £6,125 GBP|Avg: £4,282 GBP|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7£3,429 GBP
Retailer 1£3,462 GBP
Retailer 8£3,594 GBP
Retailer 10£3,893 GBP
Retailer 9£3,924 GBP
Retailer 5£4,222 GBP
Retailer 3£4,372 GBP
Retailer 2£4,416 GBP
Retailer 4£4,751 GBP
Retailer 6£6,036 GBP

43 data points across 10 retailers

23 retailers£3,396 GBP to £7,200 GBP

B+
Cheapest Retailer
-
£3,396 GBP
A
Retailer 2
-
£3,429 GBP
View
A
Retailer 3
-
£3,462 GBP
View
B+
Retailer 4
-
£3,514 GBP
View
B+
Retailer 5
-
£3,594 GBP
View
Final sale: no returns
B+
Retailer 6
-
£3,656 GBP
View
B+
Retailer 7
-
£3,774 GBP
View
B+
Retailer 8
-
£3,774 GBP
View
B+
Retailer 9
-
£3,893 GBP
View
Retailer 10
-
£3,893 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£3,893 GBP
View
B+
Retailer 12
-
£3,901 GBP
View
B+
Retailer 13
-
£3,909 GBP
View
Retailer 14
-
£3,924 GBP
View
Price last confirmed 28 days ago
B+
Retailer 15
-
£4,007 GBP
View
B+
Retailer 16
-
£4,222 GBP
View
B+
Retailer 17
-
£4,372 GBP
View
B+
Retailer 18
-
£4,416 GBP
View
B+
Retailer 19
-
£4,493 GBP
View
B+
Retailer 20
-
£4,751 GBP
View
B
Retailer 21
-
£6,036 GBP
View
B
Retailer 22
-
£6,512 GBP
View
Most Expensive
B
Diamond Quarter
1.03VS1G2511391DN · Nov 5
£7,200 GBP
View
22 more retailers have this diamond
Prices start from £3,396 GBPSave up to £3,803 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
£3,396 GBP