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Heart|Natural|GIA

1.51ct I VS1 Heart Natural Diamond

EX • I/VS1 • GIA 7551813967

Certificate GIA 7551813967

Diamond specifications and retailer prices

From £3,447 GBP
As of November 5, 2026
Save £1,144 GBP (25%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £4,592 GBP at GemTrove · As of November 4, 2026
View at GemTrove

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551813967. Listed at 6 retailers as of November 4, 2026, with prices from £3,447 to £4,592, a £1,144 spread on the same certified stone. GemTrove lists it at £4,592. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551813967
Dimensions6.76 × 7.98 × 4.73 mm
L/W Ratio1.18
Culet sizeNone
Key to symbols
Crystal, Needle, Pinpoint
Top View
6.76 mm7.98 mm1.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7551813967
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.3%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £3,447 GBP|Low: £3,447 GBP|High: £4,561 GBP|Avg: £3,953 GBP|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 1£3,447 GBP
Retailer 3£3,666 GBP
Retailer 2£3,845 GBP
Retailer 5£3,940 GBP
Retailer 4£4,332 GBP

46 data points across 5 retailers

6 retailers£3,447 GBP to £4,592 GBP

A
Cheapest Retailer
-
£3,447 GBP
A
Retailer 2
-
£3,666 GBP
View
A
Retailer 3
-
£3,845 GBP
View
A
Retailer 4
-
£3,940 GBP
View
A
Retailer 5
-
£4,332 GBP
View
Most Expensive
B+
GemTrove
GT-N-01269502-98 · Nov 4
£4,592 GBP
A$9,508 AUD
View
5 more retailers have this diamond
Prices start from £3,447 GBPSave up to £1,144 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
£3,447 GBP