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Heart|Natural|GIA

1.50ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 7551290954

Certificate GIA 7551290954

Diamond specifications and retailer prices

From $5,375 AUD
HK$29,500 HKD
As of October 29, 2026
Save $7,288 AUD (58%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,663 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551290954. Listed at 17 retailers as of October 28, 2026, with prices from $5,375 to $12,663, a $7,288 spread on the same certified stone. Queensmith lists it at $12,663. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551290954
Dimensions7.15 × 7.95 × 4.62 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Twinning Wisp, Cavity, Indented Natural
Top View
7.15 mm7.95 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7551290954
Side View
Table 58.0%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: Oct 29
Current: $12,663 AUD|Low: $5,375 AUD|High: $12,853 AUD|Avg: $8,006 AUD|-1.1%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 7$5,375 AUD
Retailer 4$5,835 AUD
Retailer 8$6,680 AUD
Retailer 6$6,824 AUD
Retailer 11$6,898 AUD
Retailer 3$7,096 AUD
Retailer 2$7,224 AUD
Retailer 9$7,302 AUD
Retailer 10$7,454 AUD
Retailer 5$11,589 AUD
Queensmith$12,663 AUD

41 data points across 11 retailers

17 retailers$5,375 AUD to $12,663 AUD

A
Cheapest Retailer
-
$5,375 AUD
HK$29,500 HKD
A
Retailer 2
-
$5,835 AUD
₹390,411 INR
View
A
Retailer 3
-
$6,680 AUD
$4,693 USD
View
Final sale: no returns
A
Retailer 4
-
$6,824 AUD
SGD 6,479 SGD
View
A
Retailer 5
-
$6,898 AUD
SGD 6,549 SGD
View
A
Retailer 6
-
$7,096 AUD
$4,985 USD
View
A
Retailer 7
-
$7,224 AUD
£3,996 GBP
View
Retailer 8
-
$7,238 AUD
$5,085 USD
View
Price last confirmed 14 days ago
Retailer 9
-
$7,238 AUD
$5,085 USD
View
Price last confirmed 12 days ago
Retailer 10
-
$7,238 AUD
$5,085 USD
View
Price last confirmed 13 days ago
A
Retailer 11
-
$7,302 AUD
$5,130 USD
View
A
Retailer 12
-
$7,454 AUD
$5,237 USD
View
A
Retailer 13
-
$7,455 AUD
View
Retailer 14
-
$8,351 AUD
$5,867 USD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
$11,589 AUD
£6,411 GBP
View
Retailer 16
-
$12,105 AUD
$8,504 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Queensmith
7551290954 · Oct 28
$12,663 AUD
£7,005 GBP
View
16 more retailers have this diamond
Prices start from $5,375 AUDSave up to $7,288 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
$5,375 AUD