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Heart|Natural|GIA

1.51ct K VS1 Heart Natural Diamond

EX • K/VS1 • GIA 6455628874

Certificate GIA 6455628874

Diamond specifications and retailer prices

From £2,439 GBP
As of November 6, 2026
Save £633 GBP (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,072 GBP at Michael Trio · As of November 6, 2026
View at Michael Trio

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6455628874. Listed at 3 retailers as of November 6, 2026, with prices from £2,439 to £3,072, a £633 spread on the same certified stone. Michael Trio lists it at £3,072. 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
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6455628874
Dimensions6.67 × 7.80 × 4.82 mm
L/W Ratio1.17
Top View
6.67 mm7.80 mm1.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6455628874
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £3,072 GBP|Low: £2,419 GBP|High: £3,399 GBP|Avg: £2,947 GBP
Michael Trio
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 2£2,439 GBP
Retailer 4£2,890 GBP
Michael Trio£3,072 GBP
Retailer 3£3,399 GBP

3 data points across 4 retailers

3 retailers£2,439 GBP to £3,072 GBP

A
Cheapest Retailer
-
£2,439 GBP
B+
Retailer 2
-
£2,890 GBP
View
Most Expensive
B+
Michael Trio
1700455306 · Nov 6
£3,072 GBP
SGD 5,556 SGD
View
2 more retailers have this diamond
Prices start from £2,439 GBPSave up to £633 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 Heart
£2,439 GBP