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Heart|Natural|GIA

1.20ct I VS1 Heart Natural Diamond

EX • I/VS1 • GIA 5242032393

Certificate GIA 5242032393

Diamond specifications and retailer prices

From £1,597 GBP
As of November 6, 2026
Save £2,011 GBP (56%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,607 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 5242032393. Listed at 7 retailers as of November 4, 2026, with prices from £1,597 to £3,607, a £2,011 spread on the same certified stone. MOH London lists it at £3,607. 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 angle38.22°
OriginNatural
Grading LabGIA
CertificateGIA 5242032393
Dimensions6.62 × 7.22 × 3.93 mm
L/W Ratio1.09
Key to symbols
Feather, Needle, Pinpoint
Top View
6.62 mm7.22 mm1.20 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242032393
Side View
Table 59.0%CrownGirdle: THK-VTKPavilion 38.22°Culet: NoneDepth 59.3%

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: £3,607 GBP|Low: £1,597 GBP|High: £3,850 GBP|Avg: £2,367 GBP|-6.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6£1,597 GBP
Retailer 4£1,884 GBP
Retailer 5£1,991 GBP
Retailer 3£2,217 GBP
Retailer 7£2,315 GBP
Retailer 2£2,521 GBP
MOH London£3,607 GBP

27 data points across 7 retailers

7 retailers£1,597 GBP to £3,607 GBP

A
Cheapest Retailer
-
£1,597 GBP
Retailer 2
-
£1,884 GBP
View
Price last confirmed 3 days ago
A
Retailer 3
-
£1,991 GBP
View
B+
Retailer 4
-
£2,217 GBP
View
B+
Retailer 5
-
£2,315 GBP
View
B+
Retailer 6
-
£2,521 GBP
View
Most Expensive
B
MOH London
FCBAF105F · Nov 4
£3,607 GBP
View
6 more retailers have this diamond
Prices start from £1,597 GBPSave up to £2,011 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
£1,597 GBP