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Heart|Natural|GIA

1.50ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 1553076367

Certificate GIA 1553076367

Diamond specifications and retailer prices

From $4,392 AUD
HK$24,100 HKD
As of November 1, 2026
Save $7,062 AUD (62%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $11,454 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 1553076367. Listed at 17 retailers as of October 28, 2026, with prices from $4,392 to $11,454, a $7,062 spread on the same certified stone. Queensmith lists it at $11,454. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553076367
Dimensions7.80 × 7.18 × 4.51 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Cavity
Top View
7.80 mm7.18 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553076367
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 57.8%

Caratlytics Score

How it works →
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: $11,454 AUD|Low: $4,355 AUD|High: $11,743 AUD|Avg: $6,668 AUD|-2.5%
Queensmith
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 12$4,392 AUD
Retailer 9$4,696 AUD
Retailer 15$4,879 AUD
Retailer 7$5,545 AUD
Retailer 10$5,587 AUD
Retailer 3$5,825 AUD
Retailer 4$5,825 AUD
Retailer 14$5,825 AUD
Retailer 8$5,899 AUD
Retailer 13$5,976 AUD
Retailer 2$6,525 AUD
Retailer 6$6,722 AUD
Retailer 11$9,644 AUD
Retailer 5$10,150 AUD
Queensmith$11,454 AUD

26 data points across 15 retailers

17 retailers$4,392 AUD to $11,454 AUD

A
Cheapest Retailer
-
$4,392 AUD
HK$24,100 HKD
A
Retailer 2
-
$4,696 AUD
₹314,132 INR
View
A
Retailer 3
-
$4,879 AUD
SGD 4,631 SGD
View
Retailer 4
-
$5,545 AUD
SGD 5,264 SGD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$5,587 AUD
£3,090 GBP
View
Retailer 6
-
$5,825 AUD
$4,092 USD
View
Price last confirmed 17 days ago
Retailer 7
-
$5,825 AUD
$4,092 USD
View
Price last confirmed 15 days ago
Retailer 8
-
$5,825 AUD
$4,092 USD
View
Price last confirmed 16 days ago
A
Retailer 9
-
$5,865 AUD
$4,120 USD
View
A
Retailer 10
-
$5,899 AUD
£3,263 GBP
View
A
Retailer 11
-
$5,976 AUD
$4,198 USD
View
A
Retailer 12
-
$6,216 AUD
View
A
Retailer 13
-
$6,525 AUD
€4,365 EUR
View
Retailer 14
-
$6,722 AUD
$4,722 USD
View
Price last confirmed 14 days ago
B+
Retailer 15
-
$9,644 AUD
£5,334 GBP
View
Retailer 16
-
$10,150 AUD
$7,130 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Queensmith
1553076367 · Oct 28
$11,454 AUD
£6,335 GBP
View
16 more retailers have this diamond
Prices start from $4,392 AUDSave up to $7,062 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
$4,392 AUD