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Heart|Natural|GIA

1.21ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 7522704484

Certificate GIA 7522704484

Diamond specifications and retailer prices

From £1,654 GBP
As of November 6, 2026
Save £2,858 GBP (63%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,513 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7522704484. Listed at 18 retailers as of November 5, 2026, with prices from £1,654 to £4,513, a £2,858 spread on the same certified stone. NZ Jewellers lists it at £4,513. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.21
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7522704484
Dimensions7.48 × 6.57 × 4.38 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Knot, Cavity, Needle
Top View
7.48 mm6.57 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7522704484
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 58.5%

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: £4,513 GBP|Low: £1,654 GBP|High: £4,538 GBP|Avg: £2,592 GBP|-0.6%
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
Retailer 16
November 6, 2026
Retailer 4£1,654 GBP
Retailer 2£1,731 GBP
Retailer 12£1,956 GBP
Retailer 6£1,992 GBP
Retailer 9£2,122 GBP
Retailer 13£2,158 GBP
Retailer 8£2,170 GBP
Retailer 16£2,241 GBP
Retailer 5£2,264 GBP
Retailer 11£2,285 GBP
Retailer 10£2,307 GBP
Retailer 14£2,336 GBP
Retailer 3£2,490 GBP
Retailer 15£3,609 GBP
Retailer 7£4,369 GBP
NZ Jewellers£4,513 GBP

25 data points across 16 retailers

18 retailers£1,654 GBP to £4,513 GBP

A
Cheapest Retailer
-
£1,654 GBP
A
Retailer 2
-
£1,731 GBP
View
A
Retailer 3
-
£1,956 GBP
View
A
Retailer 4
-
£1,992 GBP
View
Final sale: no returns
B+
Retailer 5
-
£2,078 GBP
View
B+
Retailer 6
-
£2,122 GBP
View
B+
Retailer 7
-
£2,158 GBP
View
Retailer 8
-
£2,170 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£2,208 GBP
View
B+
Retailer 10
-
£2,241 GBP
View
B+
Retailer 11
-
£2,264 GBP
View
B+
Retailer 12
-
£2,285 GBP
View
B+
Retailer 13
-
£2,307 GBP
View
B+
Retailer 14
-
£2,336 GBP
View
B+
Retailer 15
-
£2,490 GBP
View
B
Retailer 16
-
£3,609 GBP
View
Retailer 17
-
£4,369 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
1c491a7c-0151-4ef4-8d57-67f1107129e3 · Nov 5
£4,513 GBP
$6,040 USD
View
17 more retailers have this diamond
Prices start from £1,654 GBPSave up to £2,858 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
1.21ct Heart
£1,654 GBP