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Heart|Natural|GIA

1.51ct I VS1 Heart Natural Diamond

EX • I/VS1 • GIA 6545008420

Certificate GIA 6545008420

Diamond specifications and retailer prices

From £3,336 GBP
As of November 4, 2026
Save £892 GBP (21%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,228 GBP at Jared · As of November 4, 2026
View at Jared

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 6545008420. Listed at 8 retailers as of November 4, 2026, with prices from £3,336 to £4,228, a £892 spread on the same certified stone. Jared lists it at £4,228. 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 6545008420
Dimensions6.87 × 8.05 × 4.80 mm
L/W Ratio1.17
Top View
6.87 mm8.05 mm1.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545008420
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.6%

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 4
Current: £4,228 GBP|Low: £3,188 GBP|High: £5,350 GBP|Avg: £4,122 GBP|-8.2%
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4£3,336 GBP
Retailer 5£3,563 GBP
Retailer 2£3,739 GBP
Retailer 8£3,834 GBP
Retailer 6£3,842 GBP
Retailer 3£4,094 GBP
Retailer 7£4,094 GBP
Jared£4,228 GBP
Retailer 9£5,020 GBP

43 data points across 9 retailers

8 retailers£3,336 GBP to £4,228 GBP

A
Cheapest Retailer
-
£3,336 GBP
Final sale: no returns
A
Retailer 2
-
£3,563 GBP
View
A
Retailer 3
-
£3,739 GBP
View
A
Retailer 4
-
£3,834 GBP
View
A
Retailer 5
-
£3,842 GBP
View
A
Retailer 6
-
£4,094 GBP
View
A
Retailer 7
-
£4,094 GBP
View
Most Expensive
A
Jared
159886469 · Nov 4
£4,228 GBP
$5,690 USD
View
7 more retailers have this diamond
Prices start from £3,336 GBPSave up to £892 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
£3,336 GBP