CaratHunter
Plans
Heart|Natural|GIA

1.09ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 7546521219

Certificate GIA 7546521219

Diamond specifications and retailer prices

From $3,581 AUD
£1,976 GBP
As of November 2, 2026
Save $4,094 AUD (53%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,675 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.09ct natural heart diamond

This 1.09ct natural heart sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7546521219. Listed at 8 retailers as of October 30, 2026, with prices from $3,581 to $7,675, a $4,094 spread on the same certified stone. NZ Jewellers lists it at $7,675. 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

1.09
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.88°
Pavilion angle39.76°
OriginNatural
Grading LabGIA
CertificateGIA 7546521219
Dimensions6.17 × 7.13 × 4.16 mm
L/W Ratio1.16
Girdle conditionThick
Key to symbols
Cloud, Needle
Top View
6.17 mm7.13 mm1.09 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7546521219
Side View
Table 64.0%Crown 40.88°Girdle: Slightly Thick to ThickPavilion 39.76°Culet: NDepth 58.4%

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: $7,675 AUD|Low: $3,544 AUD|High: $7,791 AUD|Avg: $4,562 AUD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10$3,544 AUD
Retailer 2$3,581 AUD
Retailer 6$3,671 AUD
Retailer 5$3,674 AUD
Retailer 8$3,841 AUD
Retailer 7$3,878 AUD
Retailer 9$4,175 AUD
Retailer 3$4,264 AUD
Retailer 11$4,316 AUD
Retailer 4$6,431 AUD
NZ Jewellers$7,675 AUD

40 data points across 11 retailers

8 retailers$3,581 AUD to $7,675 AUD

B+
Cheapest Retailer
-
$3,581 AUD
£1,976 GBP
B+
Retailer 2
-
$3,671 AUD
$2,573 USD
View
B+
Retailer 3
-
$3,674 AUD
$2,575 USD
View
B+
Retailer 4
-
$3,841 AUD
$2,692 USD
View
B+
Retailer 5
-
$3,878 AUD
$2,718 USD
View
Retailer 6
-
$4,175 AUD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$6,431 AUD
£3,549 GBP
View
Most Expensive
B
NZ Jewellers
9be61674-2e0d-4d53-826b-652c332db205 · Oct 30
$7,675 AUD
$5,379 USD
View
7 more retailers have this diamond
Prices start from $3,581 AUDSave up to $4,094 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+
1.09ct Heart
$3,581 AUD