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Round|Natural|GIA

1.51ct H VS1 Round Natural Diamond

EX • H/VS1 • GIA 7431570038

Certificate GIA 7431570038

Diamond specifications and retailer prices

From £9,488 GBP
As of November 4, 2026
Save £6,409 GBP (40%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £19,143 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 7431570038. Listed at 22 retailers as of November 4, 2026, with a 68% 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
Crown angle33.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7431570038
Dimensions7.38 × 7.34 × 4.55 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.38 mm7.34 mm1.51 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7431570038
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.9%

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: £15,897 GBP|Low: £9,488 GBP|High: £17,221 GBP|Avg: £12,873 GBP|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4£9,488 GBP
Retailer 7£10,441 GBP
Retailer 2£11,212 GBP
Retailer 6£11,447 GBP
Retailer 8£11,623 GBP
Retailer 3£13,100 GBP
Retailer 1£15,897 GBP
Retailer 5£17,017 GBP

42 data points across 8 retailers

22 retailers£9,488 GBP to £15,897 GBP

B+
Cheapest Retailer
-
£9,488 GBP
B
Retailer 2
-
£9,965 GBP
View
B
Retailer 3
-
£10,017 GBP
View
B
Retailer 4
-
£10,201 GBP
View
B
Retailer 5
-
£10,441 GBP
View
Final sale: no returns
B
Retailer 6
-
£10,688 GBP
View
Retailer 7
-
£10,896 GBP
View
Price last confirmed 8 days ago
B
Retailer 8
-
£11,212 GBP
View
Retailer 9
-
£11,447 GBP
View
Price last confirmed 14 days ago
B
Retailer 10
-
£11,623 GBP
View
B
Retailer 11
-
£11,804 GBP
View
Retailer 12
-
£12,258 GBP
View
Price last confirmed 60 days ago
B
Retailer 13
-
£12,258 GBP
View
B
Retailer 14
-
£12,652 GBP
View
B
Retailer 15
-
£12,750 GBP
View
B
Retailer 16
-
£13,100 GBP
View
B
Retailer 17
-
£13,753 GBP
View
Retailer 18
-
£15,436 GBP
View
Price last confirmed 66 days ago
B
Retailer 19
-
£15,436 GBP
View
B
Retailer 20
-
£15,897 GBP
View
Retailer 21
-
£17,017 GBP
View
Price under review
Most Expensive
Diamond Quarter
1.51VS1H74389DBFN · Nov 5
£19,143 GBP
View
Price under review
21 more retailers have this diamond
Prices start from £9,488 GBPSave up to £6,409 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
£9,488 GBP