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Heart|Natural|GIA

1.50ct H SI1 Heart Natural Diamond

GD • H/SI1 • GIA 3475555033

Certificate GIA 3475555033

Diamond specifications and retailer prices

From $8,565 AUD
As of November 4, 2026
Save $6,704 AUD (44%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $15,887 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 3475555033. Listed at 20 retailers as of November 4, 2026, with a 78% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
H
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3475555033
Dimensions6.97 × 6.64 × 4.48 mm
L/W Ratio1.05
Top View
6.97 mm6.64 mm1.50 ctH / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3475555033
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.5%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $15,887 AUD|Low: $8,565 AUD|High: $15,961 AUD|Avg: $11,748 AUD|+1.5%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7$8,565 AUD
Retailer 9$8,773 AUD
Retailer 3$9,186 AUD
Retailer 11$9,186 AUD
Retailer 4$10,256 AUD
Retailer 10$10,534 AUD
Retailer 8$10,591 AUD
Retailer 2$11,936 AUD
Retailer 5$13,403 AUD
Retailer 6$15,269 AUD
Queensmith$15,887 AUD

42 data points across 11 retailers

20 retailers$8,565 AUD to $15,269 AUD

B
Cheapest Retailer
-
$8,565 AUD
B
Retailer 2
-
$8,680 AUD
View
B
Retailer 3
-
$8,773 AUD
View
B
Retailer 4
-
$9,186 AUD
View
Final sale: no returns
Retailer 5
-
$9,186 AUD
View
Price last confirmed 30 days ago
B
Retailer 6
-
$9,227 AUD
View
B
Retailer 7
-
$9,264 AUD
View
B
Retailer 8
-
$9,789 AUD
View
B
Retailer 9
-
$10,256 AUD
View
B
Retailer 10
-
$10,534 AUD
View
Retailer 11
-
$10,591 AUD
View
Price last confirmed 16 days ago
B
Retailer 12
-
$10,624 AUD
View
B
Retailer 13
-
$10,624 AUD
View
B
Retailer 14
-
$10,974 AUD
View
B
Retailer 15
-
$11,201 AUD
View
B
Retailer 16
-
$11,936 AUD
View
Retailer 17
-
$12,106 AUD
View
Price last confirmed 23 days ago
B
Retailer 18
-
$13,403 AUD
View
B
Retailer 19
-
$15,269 AUD
View
Most Expensive
Queensmith
3475555033 · Oct 28
$15,887 AUD
£8,595 GBP
View
Price last confirmed 9 days ago
19 more retailers have this diamond
Prices start from $8,565 AUDSave up to $6,704 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.

B
1.50ct Heart
$8,565 AUD