Round|Natural|GIA

1.51ct H VS1 Round Natural Diamond

EX • H/VS1 • GIA 6475084761

Certificate GIA 6475084761

Diamond specifications and retailer prices

From £7,448 GBP
As of November 4, 2026
Save £6,272 GBP (46%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £17,568 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6475084761. Listed at 18 retailers as of November 4, 2026, with a 84% 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

1.51
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6475084761
Dimensions7.37 × 7.33 × 4.53 mm
L/W Ratio1.01
Top View
7.37 mm7.33 mm1.51 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6475084761
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.5%

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: £12,011 GBP|Low: £7,448 GBP|High: £13,012 GBP|Avg: £9,492 GBP|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5£7,448 GBP
Retailer 10£7,639 GBP
Retailer 9£8,125 GBP
Retailer 8£8,232 GBP
Retailer 3£8,699 GBP
Retailer 7£8,950 GBP
Retailer 2£9,056 GBP
Retailer 4£10,306 GBP
Retailer 1£12,011 GBP
Retailer 6£12,857 GBP

44 data points across 10 retailers

18 retailers£7,448 GBP to £13,721 GBP

B+
Cheapest Retailer
-
£7,448 GBP
B+
Retailer 2
-
£7,639 GBP
View
B+
Retailer 3
-
£8,125 GBP
View
Retailer 4
-
£8,232 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£8,232 GBP
View
Final sale: no returns
B+
Retailer 6
-
£8,699 GBP
View
B
Retailer 7
-
£8,919 GBP
View
Retailer 8
-
£8,950 GBP
View
Price last confirmed 14 days ago
B
Retailer 9
-
£9,056 GBP
View
B
Retailer 10
-
£9,802 GBP
View
B
Retailer 11
-
£9,862 GBP
View
B
Retailer 12
-
£10,291 GBP
View
B
Retailer 13
-
£10,306 GBP
View
Retailer 14
-
£10,829 GBP
View
Price last confirmed 14 days ago
B
Retailer 15
-
£12,011 GBP
View
B
Retailer 16
-
£12,857 GBP
View
B
Retailer 17
-
£13,721 GBP
View
Most Expensive
Diamond Quarter
1.51VS1H646115DBN · Nov 5
£17,568 GBP
View
Price under review
17 more retailers have this diamond
Prices start from £7,448 GBPSave up to £6,272 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+
1.51ct Round
£7,448 GBP