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1.51ct K VVS1 Round Natural Diamond

EX • K/VVS1 • GIA 6551969832

Certificate GIA 6551969832

Diamond specifications and retailer prices

From £2,652 GBP
As of November 6, 2026
Save £971 GBP (27%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,623 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 6551969832. Listed at 7 retailers as of November 5, 2026, with prices from £2,652 to £3,623, a £971 spread on the same certified stone. Blue Nile lists it at £3,623. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6551969832
Dimensions7.24 × 7.30 × 4.61 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather
Top View
7.24 mm7.30 mm1.51 ctK / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551969832
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,623 GBP|Low: £2,634 GBP|High: £3,713 GBP|Avg: £3,137 GBP|-2.4%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2£2,652 GBP
Retailer 4£2,927 GBP
Retailer 7£3,057 GBP
Retailer 5£3,141 GBP
Retailer 3£3,190 GBP
Retailer 6£3,259 GBP
Blue Nile£3,623 GBP

46 data points across 7 retailers

7 retailers£2,652 GBP to £3,623 GBP

A
Cheapest Retailer
-
£2,652 GBP
A
Retailer 2
-
£2,927 GBP
View
A
Retailer 3
-
£3,057 GBP
View
A
Retailer 4
-
£3,141 GBP
View
Final sale: no returns
A
Retailer 5
-
£3,190 GBP
View
A
Retailer 6
-
£3,259 GBP
View
Most Expensive
A
Blue Nile
30128288 · Nov 5
£3,623 GBP
$4,876 USD
View
6 more retailers have this diamond
Prices start from £2,652 GBPSave up to £971 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
1.51ct Round
£2,652 GBP