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Heart|Natural|GIA

1.40ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 5543233262

Certificate GIA 5543233262

Diamond specifications and retailer prices

From £1,654 GBP
As of November 6, 2026
Save £3,048 GBP (65%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,702 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.4ct natural heart diamond

This 1.4ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5543233262. Listed at 9 retailers as of November 5, 2026, with prices from £1,654 to £4,702, a £3,048 spread on the same certified stone. NZ Jewellers lists it at £4,702. 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

1.40
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle39.12°
OriginNatural
Grading LabGIA
CertificateGIA 5543233262
Dimensions7.68 × 6.86 × 4.54 mm
L/W Ratio1.12
Top View
7.68 mm6.86 mm1.40 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5543233262
Side View
Table 57.0%CrownGirdle: STK-THKPavilion 39.12°Culet: NDepth 59.1%

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: £4,702 GBP|Low: £1,654 GBP|High: £4,702 GBP|Avg: £2,790 GBP|+12.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6£1,654 GBP
Retailer 7£1,899 GBP
Retailer 9£2,097 GBP
Retailer 8£2,249 GBP
Retailer 10£2,278 GBP
Retailer 2£2,307 GBP
Retailer 5£2,335 GBP
Retailer 11£2,976 GBP
Retailer 4£3,751 GBP
Retailer 3£4,442 GBP
NZ Jewellers£4,702 GBP

26 data points across 11 retailers

9 retailers£1,654 GBP to £4,702 GBP

A
Cheapest Retailer
-
£1,654 GBP
A
Retailer 2
-
£1,899 GBP
View
A
Retailer 3
-
£2,097 GBP
View
A
Retailer 4
-
£2,249 GBP
View
B+
Retailer 5
-
£2,278 GBP
View
Final sale: no returns
A
Retailer 6
-
£2,307 GBP
View
A
Retailer 7
-
£2,335 GBP
View
B
Retailer 8
-
£3,751 GBP
View
Most Expensive
C
NZ Jewellers
7ca68cff-945e-4d19-9b8e-0d98f50f9a89 · Nov 5
£4,702 GBP
$6,294 USD
View
8 more retailers have this diamond
Prices start from £1,654 GBPSave up to £3,048 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
1.40ct Heart
£1,654 GBP