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Heart|Natural|GIA

1.51ct G VS1 Heart Natural Diamond

EX • G/VS1 • GIA 6237686012

Certificate GIA 6237686012

Diamond specifications and retailer prices

From £4,327 GBP
As of November 4, 2026
Save £4,327 GBP (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £8,654 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded G 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 6237686012. Listed at 14 retailers as of November 4, 2026, with prices from £4,327 to £8,654, a £4,327 spread on the same certified stone. NZ Jewellers lists it at £8,654. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Pavilion angle39.2°
OriginNatural
Grading LabGIA
CertificateGIA 6237686012
Dimensions6.88 × 7.89 × 4.61 mm
L/W Ratio1.15
Top View
6.88 mm7.89 mm1.51 ctG / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6237686012
Side View
Table 59.0%CrownGirdle: MED-THKPavilion 39.2°Culet: NoneDepth 58.4%

Caratlytics Score

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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: £8,654 GBP|Low: £3,966 GBP|High: £9,699 GBP|Avg: £5,752 GBP|-10.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 8£4,327 GBP
Retailer 14£4,372 GBP
Retailer 3£4,476 GBP
Retailer 11£4,821 GBP
Retailer 13£4,922 GBP
Retailer 2£4,965 GBP
Retailer 4£4,993 GBP
Retailer 10£5,268 GBP
Retailer 12£5,268 GBP
Retailer 9£5,439 GBP
Retailer 6£7,055 GBP
Retailer 5£7,575 GBP
Retailer 7£7,603 GBP
NZ Jewellers£8,654 GBP

44 data points across 14 retailers

14 retailers£4,327 GBP to £8,654 GBP

A
Cheapest Retailer
-
£4,327 GBP
Final sale: no returns
A
Retailer 2
-
£4,372 GBP
View
A
Retailer 3
-
£4,476 GBP
View
A
Retailer 4
-
£4,821 GBP
View
A
Retailer 5
-
£4,922 GBP
View
A
Retailer 6
-
£4,965 GBP
View
A
Retailer 7
-
£4,993 GBP
View
A
Retailer 8
-
£5,268 GBP
View
A
Retailer 9
-
£5,268 GBP
View
A
Retailer 10
-
£5,439 GBP
View
A
Retailer 11
-
£5,650 GBP
View
B+
Retailer 12
-
£7,575 GBP
View
B+
Retailer 13
-
£7,603 GBP
View
Most Expensive
B
NZ Jewellers
d52b4d7c-20ee-4b95-a516-58473b7bbf85 · Nov 5
£8,654 GBP
$11,648 USD
View
13 more retailers have this diamond
Prices start from £4,327 GBPSave up to £4,327 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
£4,327 GBP