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Heart|Natural|GIA

1.55ct G SI1 Heart Natural Diamond

ID • G/SI1 • GIA 6441897130

Certificate GIA 6441897130

Diamond specifications and retailer prices

From $7,321 AUD
As of November 6, 2026
Save $9,176 AUD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $16,497 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.55ct natural heart diamond

This 1.55ct 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 6441897130. Listed at 18 retailers as of November 5, 2026, with prices from $7,321 to $16,497, a $9,176 spread on the same certified stone. NZ Jewellers lists it at $16,497. 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

1.55
Carat
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6441897130
Dimensions6.94 × 8.05 × 4.62 mm
L/W Ratio1.16
Top View
6.94 mm8.05 mm1.55 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6441897130
Side View
Table 60.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 57.4%

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: $16,497 AUD|Low: $7,265 AUD|High: $16,497 AUD|Avg: $10,148 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
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 14$7,321 AUD
Retailer 7$8,168 AUD
Retailer 4$8,584 AUD
Retailer 5$8,601 AUD
Retailer 3$9,105 AUD
Retailer 16$9,105 AUD
Retailer 8$9,147 AUD
Retailer 2$9,243 AUD
Retailer 12$9,367 AUD
Retailer 6$9,678 AUD
Retailer 17$9,863 AUD
Retailer 9$9,959 AUD
Retailer 15$10,016 AUD
Retailer 10$10,096 AUD
Retailer 18$11,381 AUD
Retailer 11$12,035 AUD
Retailer 13$14,493 AUD
NZ Jewellers$16,497 AUD

29 data points across 18 retailers

18 retailers$7,321 AUD to $16,497 AUD

A
Cheapest Retailer
-
$7,321 AUD
Retailer 2
-
$8,354 AUD
View
Price last confirmed 24 days ago
B+
Retailer 3
-
$8,584 AUD
View
B+
Retailer 4
-
$8,601 AUD
View
B+
Retailer 5
-
$9,105 AUD
View
Final sale: no returns
Retailer 6
-
$9,105 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$9,147 AUD
View
B+
Retailer 8
-
$9,243 AUD
View
B+
Retailer 9
-
$9,367 AUD
View
B+
Retailer 10
-
$9,678 AUD
View
B+
Retailer 11
-
$9,863 AUD
View
B
Retailer 12
-
$10,016 AUD
View
B
Retailer 13
-
$10,096 AUD
View
B
Retailer 14
-
$10,096 AUD
View
B+
Retailer 15
-
$11,381 AUD
View
B
Retailer 16
-
$12,035 AUD
View
B
Retailer 17
-
$14,493 AUD
View
Most Expensive
B
NZ Jewellers
b9356975-5eee-4ee9-abb6-5ee470865518 · Nov 5
$16,497 AUD
$11,335 USD
View
17 more retailers have this diamond
Prices start from $7,321 AUDSave up to $9,176 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
1.55ct Heart
$7,321 AUD