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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 $3,938 AUD
As of November 2, 2026
Save $4,261 AUD (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,199 AUD 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 $3,938 to $8,199, a $4,261 spread on the same certified stone. NZ Jewellers lists it at $8,199. 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 2
Current: $8,199 AUD|Low: $4,018 AUD|High: $8,199 AUD|Avg: $5,423 AUD
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$4,018 AUD
Retailer 5$4,178 AUD
Retailer 3$4,541 AUD
Retailer 8$4,706 AUD
Retailer 9$4,706 AUD
Retailer 6$4,887 AUD
Retailer 4$4,918 AUD
Retailer 10$5,429 AUD
Retailer 2$7,682 AUD
NZ Jewellers$8,199 AUD

44 data points across 10 retailers

12 retailers$3,938 AUD to $8,199 AUD

B+
Cheapest Retailer
-
$3,938 AUD
B+
Retailer 2
-
$4,018 AUD
$2,816 USD
View
B+
Retailer 3
-
$4,178 AUD
$2,928 USD
View
B
Retailer 4
-
$4,541 AUD
£2,506 GBP
View
B
Retailer 5
-
$4,706 AUD
$3,298 USD
View
B
Retailer 6
-
$4,706 AUD
$3,298 USD
View
B
Retailer 7
-
$4,887 AUD
$3,425 USD
View
B
Retailer 8
-
$4,911 AUD
$3,442 USD
View
B
Retailer 9
-
$4,918 AUD
£2,714 GBP
View
B
Retailer 10
-
$5,429 AUD
$3,805 USD
View
B
Retailer 11
-
$7,682 AUD
£4,239 GBP
View
Most Expensive
B
NZ Jewellers
50ace971-e0e8-4a6a-9251-e7024bf70ea9 · Oct 30
$8,199 AUD
$5,746 USD
View
11 more retailers have this diamond
Prices start from $3,938 AUDSave up to $4,261 AUD

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
$3,938 AUD