Round|Natural|GIA

1.51ct F VS1 Round Natural Diamond

EX • F/VS1 • GIA 6432624193

Certificate GIA 6432624193

Diamond specifications and retailer prices

From £11,446 GBP
As of November 4, 2026
Save £9,073 GBP (44%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £20,518 GBP at MOH London · As of November 7, 2026
View at MOH London

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6432624193. Listed at 25 retailers as of November 4, 2026, with prices from £11,446 to £20,518, a £9,073 spread on the same certified stone. MOH London lists it at £20,518. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6432624193
Dimensions7.47 × 7.43 × 4.53 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.47 mm7.43 mm1.51 ctF / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6432624193
Side View
Table 59.0%Crown 32.5°Girdle: MediumPavilion 41.6°Culet: NoneDepth 60.8%

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: £20,518 GBP|Low: £11,446 GBP|High: £20,878 GBP|Avg: £15,043 GBP|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 10£11,446 GBP
Retailer 3£11,594 GBP
Retailer 11£12,658 GBP
Retailer 6£13,469 GBP
Retailer 7£13,780 GBP
Retailer 12£13,981 GBP
Retailer 4£14,090 GBP
Retailer 9£15,325 GBP
Retailer 2£16,410 GBP
Retailer 5£16,740 GBP
Retailer 8£19,272 GBP
MOH London£20,518 GBP

45 data points across 12 retailers

25 retailers£11,446 GBP to £20,518 GBP

B+
Cheapest Retailer
-
£11,446 GBP
B+
Retailer 2
-
£11,594 GBP
View
B+
Retailer 3
-
£12,102 GBP
View
B+
Retailer 4
-
£12,143 GBP
View
B+
Retailer 5
-
£12,394 GBP
View
B
Retailer 6
-
£12,658 GBP
View
Final sale: no returns
B
Retailer 7
-
£12,918 GBP
View
Retailer 8
-
£13,209 GBP
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£13,469 GBP
View
B
Retailer 10
-
£13,780 GBP
View
Retailer 11
-
£13,981 GBP
View
Price last confirmed 34 days ago
B
Retailer 12
-
£14,090 GBP
View
B
Retailer 13
-
£14,309 GBP
View
B
Retailer 14
-
£14,599 GBP
View
B
Retailer 15
-
£14,599 GBP
View
B
Retailer 16
-
£14,860 GBP
View
B
Retailer 17
-
£15,092 GBP
View
B
Retailer 18
-
£15,325 GBP
View
B
Retailer 19
-
£15,370 GBP
View
B
Retailer 20
-
£15,402 GBP
View
B+
Retailer 21
-
£16,410 GBP
View
B
Retailer 22
-
£16,740 GBP
View
B
Retailer 23
-
£18,713 GBP
View
B
Retailer 24
-
£19,272 GBP
View
Most Expensive
B
MOH London
C5041B55B · Nov 7
£20,518 GBP
View
24 more retailers have this diamond
Prices start from £11,446 GBPSave up to £9,073 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
£11,446 GBP