Round|Natural|GIA

1.00ct D VS1 Round Natural Diamond

EX • D/VS1 • GIA 7421908539

Certificate GIA 7421908539

Diamond specifications and retailer prices

From £3,823 GBP
As of November 6, 2026
Save £5,193 GBP (58%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £9,016 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 7421908539. Listed at 24 retailers as of November 5, 2026, with prices from £3,823 to £9,016, a £5,193 spread on the same certified stone. Diamond Quarter lists it at £9,016. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7421908539
Dimensions6.45 × 6.41 × 3.92 mm
L/W Ratio1.01
Top View
6.45 mm6.41 mm1.00 ctD / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7421908539
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

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 6
Current: £3,823 GBP|Low: £3,823 GBP|High: £7,892 GBP|Avg: £5,239 GBP|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1£3,823 GBP
Retailer 10£3,870 GBP
Retailer 9£4,498 GBP
Retailer 7£4,543 GBP
Retailer 3£4,932 GBP
Retailer 4£5,000 GBP
Retailer 2£5,144 GBP
Retailer 8£5,277 GBP
Retailer 5£6,467 GBP
Retailer 6£7,787 GBP

27 data points across 10 retailers

24 retailers£3,823 GBP to £9,016 GBP

A
Cheapest Retailer
-
£3,823 GBP
A
Retailer 2
-
£3,870 GBP
View
B+
Retailer 3
-
£4,189 GBP
View
Retailer 4
-
£4,417 GBP
View
Price last confirmed 23 days ago
B+
Retailer 5
-
£4,498 GBP
View
B+
Retailer 6
-
£4,543 GBP
View
B+
Retailer 7
-
£4,892 GBP
View
Final sale: no returns
Retailer 8
-
£4,893 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£4,904 GBP
View
B+
Retailer 10
-
£4,932 GBP
View
B+
Retailer 11
-
£5,000 GBP
View
Retailer 12
-
£5,144 GBP
View
Price last confirmed 15 days ago
B+
Retailer 13
-
£5,277 GBP
View
B+
Retailer 14
-
£5,300 GBP
View
B+
Retailer 15
-
£5,381 GBP
View
B+
Retailer 16
-
£5,420 GBP
View
B+
Retailer 17
-
£5,422 GBP
View
B
Retailer 18
-
£5,729 GBP
View
B
Retailer 19
-
£6,116 GBP
View
B
Retailer 20
-
£6,467 GBP
View
B
Retailer 21
-
£7,303 GBP
View
B
Retailer 22
-
£7,787 GBP
View
B
Retailer 23
-
£8,865 GBP
View
Most Expensive
B
Diamond Quarter
1.0VS1D74392480N · Nov 5
£9,016 GBP
View
23 more retailers have this diamond
Prices start from £3,823 GBPSave up to £5,193 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
1.00ct Round
£3,823 GBP