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Heart|Natural|GIA

1.50ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6555531472

Certificate GIA 6555531472

Diamond specifications and retailer prices

From $4,792 AUD
HK$26,300 HKD
As of November 2, 2026
Save $7,213 AUD (60%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,005 AUD at Queensmith · As of October 28, 2026
View at Queensmith

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 6555531472. Listed at 16 retailers as of October 28, 2026, with prices from $4,792 to $12,005, a $7,213 spread on the same certified stone. Queensmith lists it at $12,005. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555531472
Dimensions7.19 × 7.86 × 4.57 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Crystal, Feather, Indented Natural, Needle, Natural
Top View
7.19 mm7.86 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555531472
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.1%

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: $12,005 AUD|Low: $4,774 AUD|High: $12,177 AUD|Avg: $7,250 AUD|-1.0%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3$4,792 AUD
Retailer 2$5,137 AUD
Retailer 6$5,902 AUD
Retailer 9$6,106 AUD
Retailer 10$6,133 AUD
Retailer 7$6,543 AUD
Retailer 5$6,608 AUD
Retailer 4$7,235 AUD
Retailer 8$10,255 AUD
Queensmith$12,005 AUD

35 data points across 10 retailers

16 retailers$4,792 AUD to $12,005 AUD

A
Cheapest Retailer
-
$4,792 AUD
HK$26,300 HKD
A
Retailer 2
-
$5,137 AUD
₹343,649 INR
View
A
Retailer 3
-
$5,902 AUD
$4,146 USD
View
Final sale: no returns
A
Retailer 4
-
$6,106 AUD
SGD 5,796 SGD
View
A
Retailer 5
-
$6,133 AUD
SGD 5,822 SGD
View
A
Retailer 6
-
$6,349 AUD
$4,460 USD
View
Retailer 7
-
$6,439 AUD
$4,523 USD
View
Price last confirmed 17 days ago
Retailer 8
-
$6,439 AUD
$4,523 USD
View
Price last confirmed 15 days ago
Retailer 9
-
$6,439 AUD
$4,523 USD
View
Price last confirmed 16 days ago
A
Retailer 10
-
$6,543 AUD
£3,619 GBP
View
A
Retailer 11
-
$6,608 AUD
$4,642 USD
View
B+
Retailer 12
-
$7,235 AUD
€4,840 EUR
View
Retailer 13
-
$7,430 AUD
$5,219 USD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
$10,255 AUD
£5,672 GBP
View
Retailer 15
-
$11,218 AUD
$7,880 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Queensmith
6555531472 · Oct 28
$12,005 AUD
£6,640 GBP
View
15 more retailers have this diamond
Prices start from $4,792 AUDSave up to $7,213 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
$4,792 AUD