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Heart|Natural|GIA

1.31ct F VS1 Heart Natural Diamond

EX • F/VS1 • GIA 3555139715

Certificate GIA 3555139715

Diamond specifications and retailer prices

From £4,091 GBP
As of November 6, 2026
Save £3,144 GBP (43%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £7,235 GBP at MOH London · As of November 7, 2026
View at MOH London

About this 1.31ct natural heart diamond

This 1.31ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (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 3555139715. Listed at 13 retailers as of November 6, 2026, with prices from £4,091 to £7,235, a £3,144 spread on the same certified stone. MOH London lists it at £7,235. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
F
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.3°
Pavilion angle43.1°
OriginNatural
Grading LabGIA
CertificateGIA 3555139715
Dimensions6.55 × 7.49 × 4.62 mm
L/W Ratio1.14
Top View
6.55 mm7.49 mm1.31 ctF / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3555139715
Side View
Table 59.0%Crown 36.3°Girdle: MED-THKPavilion 43.1°Culet: NoneDepth 61.7%

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 6
Current: £7,235 GBP|Low: £4,091 GBP|High: £7,502 GBP|Avg: £5,084 GBP|-2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 9£4,091 GBP
Retailer 8£4,168 GBP
Retailer 5£4,306 GBP
Retailer 10£4,557 GBP
Retailer 6£4,701 GBP
Retailer 11£4,816 GBP
Retailer 3£4,871 GBP
Retailer 12£4,985 GBP
Retailer 4£5,056 GBP
Retailer 13£5,148 GBP
Retailer 7£6,024 GBP
Retailer 2£6,142 GBP
MOH London£7,235 GBP

45 data points across 13 retailers

13 retailers£4,091 GBP to £7,235 GBP

A
Cheapest Retailer
-
£4,091 GBP
A
Retailer 2
-
£4,168 GBP
View
A
Retailer 3
-
£4,306 GBP
View
Retailer 4
-
£4,557 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
£4,701 GBP
View
Retailer 6
-
£4,816 GBP
View
Price last confirmed 28 days ago
B+
Retailer 7
-
£4,871 GBP
View
B+
Retailer 8
-
£4,985 GBP
View
B+
Retailer 9
-
£5,056 GBP
View
B+
Retailer 10
-
£5,148 GBP
View
B+
Retailer 11
-
£6,024 GBP
View
Retailer 12
-
£6,142 GBP
View
Most Expensive
B
MOH London
4AF8C36E0 · Nov 7
£7,235 GBP
View
12 more retailers have this diamond
Prices start from £4,091 GBPSave up to £3,144 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
1.31ct Heart
£4,091 GBP