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Heart|Natural|GIA

1.21ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 7516474666

Certificate GIA 7516474666

Diamond specifications and retailer prices

From £1,788 GBP
As of November 6, 2026
Save £1,069 GBP (37%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,857 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

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 7516474666. Listed at 4 retailers as of November 6, 2026, with prices from £1,788 to £2,857, a £1,069 spread on the same certified stone. 77 Diamonds lists it at £2,857. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7516474666
Dimensions6.79 × 7.52 × 4.07 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
6.79 mm7.52 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7516474666
Side View
Table 57.0%CrownGirdle: MED-MEDPavilionCulet: NoneDepth 54.1%

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: £2,857 GBP|Low: £1,778 GBP|High: £3,154 GBP|Avg: £2,493 GBP|-9.4%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2£1,788 GBP
Retailer 5£2,208 GBP
Retailer 3£2,277 GBP
Retailer 4£2,618 GBP
77 Diamonds£2,857 GBP
Retailer 6£3,154 GBP

11 data points across 6 retailers

4 retailers£1,788 GBP to £2,857 GBP

A
Cheapest Retailer
-
£1,788 GBP
B+
Retailer 2
-
£2,049 GBP
View
B+
Retailer 3
-
£2,277 GBP
View
Most Expensive
B
77 Diamonds
HSEVJKCHVNMJ · Nov 6
£2,857 GBP
View
3 more retailers have this diamond
Prices start from £1,788 GBPSave up to £1,069 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
£1,788 GBP