Heart|Natural|GIA

1.50ct G SI1 Heart Natural Diamond

ID • G/SI1 • GIA 5533798390

Certificate GIA 5533798390

Diamond specifications and retailer prices

From $5,540 AUD
HK$30,400 HKD
As of November 1, 2026
Save $6,097 AUD (52%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,636 AUD at MOH London · As of November 1, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5533798390. Listed at 19 retailers as of November 1, 2026, with prices from $5,540 to $11,636, a $6,097 spread on the same certified stone. MOH London lists it at $11,636. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5533798390
Dimensions7.27 × 7.89 × 4.55 mm
L/W Ratio1.09
Top View
7.27 mm7.89 mm1.50 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5533798390
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 57.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $11,636 AUD|Low: $5,485 AUD|High: $12,220 AUD|Avg: $7,696 AUD|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 9$5,540 AUD
Retailer 7$5,929 AUD
Retailer 10$6,439 AUD
Retailer 11$6,519 AUD
Retailer 12$6,742 AUD
Retailer 3$7,036 AUD
Retailer 6$7,293 AUD
Retailer 4$7,360 AUD
Retailer 5$7,418 AUD
Retailer 2$8,266 AUD
Retailer 8$8,981 AUD
MOH London$11,636 AUD
Retailer 13$12,220 AUD

35 data points across 13 retailers

19 retailers$5,540 AUD to $11,636 AUD

A
Cheapest Retailer
-
$5,540 AUD
HK$30,400 HKD
A
Retailer 2
-
$5,929 AUD
₹396,654 INR
View
A
Retailer 3
-
$6,439 AUD
$4,523 USD
View
A
Retailer 4
-
$6,519 AUD
SGD 6,188 SGD
View
A
Retailer 5
-
$6,742 AUD
$4,736 USD
View
Final sale: no returns
A
Retailer 6
-
$6,778 AUD
$4,761 USD
View
A
Retailer 7
-
$6,783 AUD
$4,765 USD
View
Retailer 8
-
$7,036 AUD
SGD 6,679 SGD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$7,133 AUD
View
B+
Retailer 10
-
$7,293 AUD
£4,034 GBP
View
Retailer 11
-
$7,306 AUD
$5,132 USD
View
Price last confirmed 17 days ago
Retailer 12
-
$7,306 AUD
$5,132 USD
View
Price last confirmed 15 days ago
Retailer 13
-
$7,306 AUD
$5,132 USD
View
Price last confirmed 16 days ago
B+
Retailer 14
-
$7,360 AUD
$5,170 USD
View
Retailer 15
-
$7,418 AUD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
$8,266 AUD
€5,530 EUR
View
Retailer 17
-
$8,431 AUD
$5,922 USD
View
Price last confirmed 14 days ago
B+
Retailer 18
-
$8,981 AUD
ZAR 101,914 ZAR
View
Most Expensive
B
MOH London
BC9AAB811 · Nov 1
$11,636 AUD
£6,436 GBP
View
18 more retailers have this diamond
Prices start from $5,540 AUDSave up to $6,097 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
$5,540 AUD