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Heart|Natural|GIA

1.51ct G VS1 Heart Natural Diamond

EX • G/VS1 • GIA 2546417580

Certificate GIA 2546417580

Diamond specifications and retailer prices

From £9,490 GBP
As of November 4, 2026
Save £5,955 GBP (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £15,445 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 2546417580. Listed at 14 retailers as of November 4, 2026, with prices from £9,490 to £15,445, a £5,955 spread on the same certified stone. NZ Jewellers lists it at £15,445. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546417580
Dimensions7.23 × 8.02 × 4.36 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.23 mm8.02 mm1.51 ctG / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546417580
Side View
Table 65.0%CrownGirdlePavilionCulet: NoneDepth 54.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £15,445 GBP|Low: £9,377 GBP|High: £15,445 GBP|Avg: £11,517 GBP
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
November 5, 2026
Retailer 13£9,490 GBP
Retailer 12£9,802 GBP
Retailer 11£9,946 GBP
Retailer 14£10,045 GBP
Retailer 2£10,158 GBP
Retailer 5£10,203 GBP
Retailer 7£10,800 GBP
Retailer 15£10,911 GBP
Retailer 4£11,082 GBP
Retailer 6£11,357 GBP
Retailer 3£11,507 GBP
Retailer 9£11,629 GBP
Retailer 10£13,614 GBP
Retailer 8£14,434 GBP
NZ Jewellers£15,445 GBP

42 data points across 15 retailers

14 retailers£9,490 GBP to £15,445 GBP

B+
Cheapest Retailer
-
£9,490 GBP
B
Retailer 2
-
£9,802 GBP
View
Final sale: no returns
Retailer 3
-
£9,946 GBP
View
Price last confirmed 13 days ago
B
Retailer 4
-
£10,045 GBP
View
B+
Retailer 5
-
£10,158 GBP
View
B
Retailer 6
-
£10,203 GBP
View
B
Retailer 7
-
£10,911 GBP
View
B
Retailer 8
-
£11,082 GBP
View
B
Retailer 9
-
£11,357 GBP
View
B
Retailer 10
-
£11,507 GBP
View
B
Retailer 11
-
£11,629 GBP
View
B
Retailer 12
-
£13,614 GBP
View
B
Retailer 13
-
£14,434 GBP
View
Most Expensive
B
NZ Jewellers
497e29d2-1b5d-4218-a05c-b587b4c1ad76 · Nov 5
£15,445 GBP
$20,788 USD
View
13 more retailers have this diamond
Prices start from £9,490 GBPSave up to £5,955 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.

B+
1.51ct Heart
£9,490 GBP