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Heart|Natural|GIA

1.03ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 6512176333

Certificate GIA 6512176333

Diamond specifications and retailer prices

From £2,056 GBP
A$4,245 AUD
As of November 1, 2026
Save £2,225 GBP (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,282 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.03ct natural heart diamond

This 1.03ct natural heart sits in the classic one-carat band, graded F 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 6512176333. Listed at 12 retailers as of October 30, 2026, with prices from £2,056 to £4,282, a £2,225 spread on the same certified stone. NZ Jewellers lists it at £4,282. 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

1.03
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6512176333
Dimensions6.24 × 7.12 × 4.11 mm
L/W Ratio1.14
Top View
6.24 mm7.12 mm1.03 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6512176333
Side View
Table 64.0%CrownGirdlePavilionCulet: NoneDepth 57.8%

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 1
Current: £4,282 GBP|Low: £2,098 GBP|High: £4,282 GBP|Avg: £2,832 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7£2,098 GBP
Retailer 5£2,182 GBP
Retailer 2£2,372 GBP
Retailer 8£2,458 GBP
Retailer 9£2,458 GBP
Retailer 6£2,552 GBP
Retailer 3£2,568 GBP
Retailer 10£2,835 GBP
Retailer 4£4,033 GBP
NZ Jewellers£4,282 GBP

44 data points across 10 retailers

12 retailers£2,056 GBP to £4,282 GBP

B+
Cheapest Retailer
-
£2,056 GBP
A$4,245 AUD
B+
Retailer 2
-
£2,098 GBP
$2,816 USD
View
B+
Retailer 3
-
£2,182 GBP
$2,928 USD
View
B
Retailer 4
-
£2,372 GBP
View
B
Retailer 5
-
£2,458 GBP
$3,298 USD
View
B
Retailer 6
-
£2,458 GBP
$3,298 USD
View
B
Retailer 7
-
£2,552 GBP
$3,425 USD
View
B
Retailer 8
-
£2,565 GBP
$3,442 USD
View
B
Retailer 9
-
£2,568 GBP
View
B
Retailer 10
-
£2,835 GBP
$3,805 USD
View
B
Retailer 11
-
£4,033 GBP
View
Most Expensive
B
NZ Jewellers
50ace971-e0e8-4a6a-9251-e7024bf70ea9 · Oct 30
£4,282 GBP
$5,746 USD
View
11 more retailers have this diamond
Prices start from £2,056 GBPSave up to £2,225 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+
1.03ct Heart
£2,056 GBP