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Heart|Natural|GIA

1.22ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 1568292265

Certificate GIA 1568292265

Diamond specifications and retailer prices

From £1,721 GBP
As of November 6, 2026
Save £2,341 GBP (58%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,063 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.22ct natural heart diamond

This 1.22ct natural heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1568292265. Listed at 12 retailers as of November 5, 2026, with prices from £1,721 to £4,063, a £2,341 spread on the same certified stone. NZ Jewellers lists it at £4,063. 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

1.22
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle38.97°
OriginNatural
Grading LabGIA
CertificateGIA 1568292265
Dimensions6.36 × 7.42 × 4.37 mm
L/W Ratio1.17
Key to symbols
Crystal, Feather, Needle
Top View
6.36 mm7.42 mm1.22 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568292265
Side View
Table 61.0%CrownGirdle: STK-THKPavilion 38.97°Culet: NoneDepth 58.9%

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: £4,063 GBP|Low: £1,721 GBP|High: £4,209 GBP|Avg: £2,710 GBP|-3.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11£1,721 GBP
Retailer 10£2,030 GBP
Retailer 3£2,152 GBP
Retailer 2£2,262 GBP
Retailer 6£2,332 GBP
Retailer 5£2,392 GBP
Retailer 9£2,422 GBP
Retailer 7£2,526 GBP
Retailer 12£2,810 GBP
Retailer 4£3,656 GBP
Retailer 8£3,890 GBP
NZ Jewellers£4,063 GBP

18 data points across 12 retailers

12 retailers£1,721 GBP to £4,063 GBP

A
Cheapest Retailer
-
£1,721 GBP
A
Retailer 2
-
£2,030 GBP
View
B+
Retailer 3
-
£2,152 GBP
View
B+
Retailer 4
-
£2,262 GBP
View
B+
Retailer 5
-
£2,332 GBP
View
B+
Retailer 6
-
£2,392 GBP
View
B+
Retailer 7
-
£2,422 GBP
View
B+
Retailer 8
-
£2,526 GBP
View
B+
Retailer 9
-
£2,810 GBP
View
Retailer 10
-
£3,656 GBP
View
Price last confirmed 16 days ago
B
Retailer 11
-
£3,890 GBP
View
Most Expensive
B
NZ Jewellers
2112aa0d-4521-4864-a6c7-351d260917b2 · Nov 5
£4,063 GBP
$5,438 USD
View
11 more retailers have this diamond
Prices start from £1,721 GBPSave up to £2,341 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
1.22ct Heart
£1,721 GBP