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Heart|Natural|GIA

1.50ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6381571451

Certificate GIA 6381571451

Diamond specifications and retailer prices

From $7,219 AUD
£3,984 GBP
As of November 2, 2026
Save $8,603 AUD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $15,823 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6381571451. Listed at 15 retailers as of October 30, 2026, with prices from $7,219 to $15,823, a $8,603 spread on the same certified stone. NZ Jewellers lists it at $15,823. 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

1.50
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6381571451
Dimensions6.84 × 7.86 × 4.63 mm
L/W Ratio1.15
Top View
6.84 mm7.86 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6381571451
Side View
Table 59.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 59.0%

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 2
Current: $15,823 AUD|Low: $7,066 AUD|High: $15,823 AUD|Avg: $9,881 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 2, 2026
Retailer 2$7,219 AUD
Retailer 11$7,300 AUD
Retailer 14$8,005 AUD
Retailer 15$8,133 AUD
Retailer 7$8,252 AUD
Retailer 10$8,733 AUD
Retailer 5$9,349 AUD
Retailer 12$9,460 AUD
Retailer 9$9,606 AUD
Retailer 4$9,687 AUD
Retailer 6$10,103 AUD
Retailer 13$10,916 AUD
Retailer 3$11,279 AUD
Retailer 8$13,602 AUD
NZ Jewellers$15,823 AUD

33 data points across 15 retailers

15 retailers$7,219 AUD to $15,823 AUD

A
Cheapest Retailer
-
$7,219 AUD
£3,984 GBP
B+
Retailer 2
-
$7,300 AUD
$5,116 USD
View
B+
Retailer 3
-
$7,777 AUD
$5,450 USD
View
B+
Retailer 4
-
$7,777 AUD
$5,450 USD
View
B+
Retailer 5
-
$8,005 AUD
$5,610 USD
View
B+
Retailer 6
-
$8,033 AUD
$5,630 USD
View
B+
Retailer 7
-
$8,252 AUD
$5,783 USD
View
B+
Retailer 8
-
$8,733 AUD
$6,120 USD
View
B
Retailer 9
-
$9,349 AUD
$6,552 USD
View
B
Retailer 10
-
$9,460 AUD
$6,630 USD
View
B
Retailer 11
-
$9,606 AUD
$6,732 USD
View
B
Retailer 12
-
$9,687 AUD
$6,789 USD
View
B
Retailer 13
-
$10,916 AUD
$7,650 USD
View
B
Retailer 14
-
$13,602 AUD
£7,506 GBP
View
Most Expensive
B
NZ Jewellers
832fd1d8-e403-43b4-a407-031290372245 · Oct 30
$15,823 AUD
$11,089 USD
View
14 more retailers have this diamond
Prices start from $7,219 AUDSave up to $8,603 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
1.50ct Heart
$7,219 AUD