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Heart|Natural|GIA

1.20ct I VS1 Heart Natural Diamond

EX • I/VS1 • GIA 5232986904

Certificate GIA 5232986904

Diamond specifications and retailer prices

From £1,558 GBP
As of November 6, 2026
Save £2,128 GBP (58%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,686 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-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 5232986904. Listed at 5 retailers as of November 4, 2026, with prices from £1,558 to £3,686, a £2,128 spread on the same certified stone. MOH London lists it at £3,686. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
I
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle39.33°
OriginNatural
Grading LabGIA
CertificateGIA 5232986904
Dimensions6.28 × 7.30 × 3.77 mm
L/W Ratio1.16
Key to symbols
Crystal, Needle, Cloud
Top View
6.28 mm7.30 mm1.20 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5232986904
Side View
Table 59.0%CrownGirdle: STK-VTKPavilion 39.33°Culet: NoneDepth 60.1%

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: £3,686 GBP|Low: £1,558 GBP|High: £3,760 GBP|Avg: £2,397 GBP|-1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5£1,558 GBP
Retailer 3£1,843 GBP
Retailer 4£1,943 GBP
Retailer 2£2,162 GBP
Retailer 6£2,927 GBP
MOH London£3,686 GBP

26 data points across 6 retailers

5 retailers£1,558 GBP to £3,686 GBP

A
Cheapest Retailer
-
£1,558 GBP
Retailer 2
-
£1,843 GBP
View
Price last confirmed 3 days ago
A
Retailer 3
-
£1,943 GBP
View
B+
Retailer 4
-
£2,162 GBP
View
Most Expensive
B
MOH London
30071429E · Nov 4
£3,686 GBP
View
4 more retailers have this diamond
Prices start from £1,558 GBPSave up to £2,128 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
1.20ct Heart
£1,558 GBP