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Heart|Natural|GIA

1.53ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 5546018862

Certificate GIA 5546018862

Diamond specifications and retailer prices

From $7,705 AUD
As of November 5, 2026
Save $7,072 AUD (48%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $14,777 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.53ct natural heart diamond

This 1.53ct natural heart sits in the one-and-a-half to two 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 5546018862. Listed at 15 retailers as of November 5, 2026, with prices from $7,705 to $14,777, a $7,072 spread on the same certified stone. NZ Jewellers lists it at $14,777. 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

1.53
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.31°
Pavilion angle41.53°
OriginNatural
Grading LabGIA
CertificateGIA 5546018862
Dimensions6.71 × 7.89 × 4.72 mm
L/W Ratio1.18
Top View
6.71 mm7.89 mm1.53 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546018862
Side View
Table 61.0%Crown 38.31°Girdle: STK-THKPavilion 41.53°Culet: NoneDepth 59.8%

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 5
Current: $14,777 AUD|Low: $7,475 AUD|High: $14,777 AUD|Avg: $9,438 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 7$7,476 AUD
Retailer 6$7,705 AUD
Retailer 12$8,155 AUD
Retailer 15$8,230 AUD
Retailer 2$8,280 AUD
Retailer 8$8,482 AUD
Retailer 13$8,734 AUD
Retailer 3$8,836 AUD
Retailer 4$8,836 AUD
Retailer 11$8,836 AUD
Retailer 14$9,057 AUD
Retailer 5$10,195 AUD
Retailer 9$10,780 AUD
Retailer 10$12,982 AUD
NZ Jewellers$14,777 AUD

37 data points across 15 retailers

15 retailers$7,705 AUD to $14,777 AUD

Retailer 1
-
$7,476 AUD
Price last confirmed 8 days ago
A
Retailer 2
-
$7,705 AUD
View
B+
Retailer 3
-
$8,155 AUD
View
Final sale: no returns
B+
Retailer 4
-
$8,230 AUD
View
B+
Retailer 5
-
$8,280 AUD
View
B+
Retailer 6
-
$8,482 AUD
View
Retailer 7
-
$8,734 AUD
View
Price last confirmed 29 days ago
Retailer 8
-
$8,836 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$8,836 AUD
View
B+
Retailer 10
-
$8,836 AUD
View
B+
Retailer 11
-
$9,057 AUD
View
B
Retailer 12
-
$10,195 AUD
View
B+
Retailer 13
-
$10,780 AUD
View
B
Retailer 14
-
$12,982 AUD
View
Most Expensive
B
NZ Jewellers
d014b7a4-0330-4af6-b1a2-45134150dba9 · Nov 5
$14,777 AUD
$10,153 USD
View
14 more retailers have this diamond
Prices start from $7,705 AUDSave up to $7,072 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.

A
1.53ct Heart
$7,705 AUD