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Heart|Natural|GIA

1.51ct G VS1 Heart Natural Diamond

EX • G/VS1 • GIA 6551404302

Certificate GIA 6551404302

Diamond specifications and retailer prices

From £4,421 GBP
As of November 1, 2026
Save £5,763 GBP (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £10,183 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 6551404302. Listed at 19 retailers as of November 1, 2026, with prices from £4,421 to £10,183, a £5,763 spread on the same certified stone. NZ Jewellers lists it at £10,183. 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
FluorescenceFaint
Crown angle36.21°
Pavilion angle41.48°
OriginNatural
Grading LabGIA
CertificateGIA 6551404302
Dimensions6.96 × 7.88 × 4.66 mm
L/W Ratio1.13
Culet sizeNone
Key to symbols
Feather
Top View
6.96 mm7.88 mm1.51 ctG / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551404302
Side View
Table 59.0%Crown 36.21°Girdle: STK-THKPavilion 41.48°Culet: NoneDepth 59.2%

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 1
Current: £10,183 GBP|Low: £4,421 GBP|High: £10,490 GBP|Avg: £6,036 GBP|-2.9%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 11£4,421 GBP
Retailer 12£4,470 GBP
Retailer 8£4,792 GBP
Retailer 18£4,881 GBP
Retailer 3£5,091 GBP
Retailer 16£5,115 GBP
Retailer 13£5,275 GBP
Retailer 14£5,516 GBP
Retailer 2£5,580 GBP
Retailer 4£5,601 GBP
Retailer 6£6,119 GBP
Retailer 9£6,229 GBP
Retailer 10£6,396 GBP
Retailer 15£6,442 GBP
Retailer 17£6,442 GBP
Retailer 5£6,525 GBP
Retailer 7£6,679 GBP
Retailer 19£8,463 GBP
NZ Jewellers£10,183 GBP

22 data points across 19 retailers

19 retailers£4,421 GBP to £10,183 GBP

A
Cheapest Retailer
-
£4,421 GBP
A
Retailer 2
-
£4,470 GBP
View
A
Retailer 3
-
£4,792 GBP
View
A
Retailer 4
-
£4,881 GBP
View
A
Retailer 5
-
£5,091 GBP
View
Final sale: no returns
A
Retailer 6
-
£5,115 GBP
View
A
Retailer 7
-
£5,275 GBP
View
A
Retailer 8
-
£5,516 GBP
View
A
Retailer 9
-
£5,580 GBP
View
A
Retailer 10
-
£5,601 GBP
View
A
Retailer 11
-
£6,119 GBP
View
A
Retailer 12
-
£6,229 GBP
View
B+
Retailer 13
-
£6,396 GBP
View
B+
Retailer 14
-
£6,442 GBP
View
B+
Retailer 15
-
£6,442 GBP
View
B+
Retailer 16
-
£6,525 GBP
View
B+
Retailer 17
-
£6,679 GBP
View
B+
Retailer 18
-
£8,463 GBP
View
Most Expensive
B
NZ Jewellers
a15cc113-f6db-4a68-9892-8a66d8ba8c49 · Nov 5
£10,183 GBP
$13,706 USD
View
18 more retailers have this diamond
Prices start from £4,421 GBPSave up to £5,763 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
£4,421 GBP