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Heart|Natural|GIA

1.21ct D VS1 Heart Natural Diamond

EX • D/VS1 • GIA 2534212994

Certificate GIA 2534212994

Diamond specifications and retailer prices

From £3,499 GBP
As of November 5, 2026
Save £2,837 GBP (45%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £6,335 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded D 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 2534212994. Listed at 6 retailers as of November 2, 2026, with prices from £3,499 to £6,335, a £2,837 spread on the same certified stone. MOH London lists it at £6,335. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.21°
OriginNatural
Grading LabGIA
CertificateGIA 2534212994
Dimensions6.65 × 7.55 × 4.25 mm
L/W Ratio1.14
Top View
6.65 mm7.55 mm1.21 ctD / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2534212994
Side View
Table 57.0%Crown 35.21°GirdlePavilionCulet: NoneDepth 56.2%

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 5
Current: £6,335 GBP|Low: £3,499 GBP|High: £7,090 GBP|Avg: £4,816 GBP|-7.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4£3,499 GBP
Retailer 2£4,129 GBP
Retailer 5£4,410 GBP
Retailer 3£4,488 GBP
Retailer 7£4,599 GBP
Retailer 6£4,610 GBP
MOH London£6,335 GBP

45 data points across 7 retailers

6 retailers£3,499 GBP to £6,335 GBP

B+
Cheapest Retailer
-
£3,499 GBP
B+
Retailer 2
-
£4,129 GBP
View
B+
Retailer 3
-
£4,410 GBP
View
B+
Retailer 4
-
£4,488 GBP
View
Retailer 5
-
£4,610 GBP
View
Price last confirmed 27 days ago
Most Expensive
B
MOH London
8707A380C · Nov 2
£6,335 GBP
View
5 more retailers have this diamond
Prices start from £3,499 GBPSave up to £2,837 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+
1.21ct Heart
£3,499 GBP