Heart|Natural|GIA

1.50ct D SI1 Heart Natural Diamond

ID • D/SI1 • GIA 7502744269

Certificate GIA 7502744269

Diamond specifications and retailer prices

From $9,165 AUD
$6,438 USD
As of October 31, 2026
Save $10,980 AUD (55%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $20,145 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7502744269. Listed at 24 retailers as of October 30, 2026, with prices from $9,165 to $20,145, a $10,980 spread on the same certified stone. NZ Jewellers lists it at $20,145. 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
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7502744269
Dimensions6.85 × 7.72 × 4.85 mm
L/W Ratio1.13
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural, Natural
Top View
6.85 mm7.72 mm1.50 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7502744269
Side View
Table 61.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $16,787 AUD|Low: $9,132 AUD|High: $16,990 AUD|Avg: $11,651 AUD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2$9,165 AUD
Retailer 6$9,548 AUD
Retailer 8$10,072 AUD
Retailer 10$10,073 AUD
Retailer 9$11,080 AUD
Retailer 3$11,270 AUD
Retailer 4$11,373 AUD
Retailer 7$11,554 AUD
Retailer 5$14,797 AUD
Retailer 1$16,787 AUD

41 data points across 10 retailers

24 retailers$9,165 AUD to $20,145 AUD

B+
Cheapest Retailer
-
$9,165 AUD
$6,438 USD
B+
Retailer 2
-
$9,345 AUD
$6,564 USD
View
B+
Retailer 3
-
$9,517 AUD
$6,685 USD
View
B+
Retailer 4
-
$9,548 AUD
$6,707 USD
View
B+
Retailer 5
-
$9,667 AUD
$6,791 USD
View
B+
Retailer 6
-
$10,072 AUD
$7,075 USD
View
B+
Retailer 7
-
$10,072 AUD
$7,075 USD
View
Final sale: no returns
B+
Retailer 8
-
$10,073 AUD
$7,076 USD
View
B+
Retailer 9
-
$10,728 AUD
$7,536 USD
View
B+
Retailer 10
-
$10,912 AUD
$7,665 USD
View
Retailer 11
-
$10,970 AUD
$7,706 USD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$11,080 AUD
$7,783 USD
View
B+
Retailer 13
-
$11,270 AUD
£6,233 GBP
View
B+
Retailer 14
-
$11,373 AUD
£6,290 GBP
View
Retailer 15
-
$11,554 AUD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
$12,029 AUD
$8,450 USD
View
B+
Retailer 17
-
$12,029 AUD
$8,450 USD
View
B+
Retailer 18
-
$12,120 AUD
$8,514 USD
View
B+
Retailer 19
-
$12,165 AUD
$8,546 USD
View
B+
Retailer 20
-
$12,428 AUD
$8,730 USD
View
B+
Retailer 21
-
$12,590 AUD
$8,844 USD
View
B
Retailer 22
-
$14,797 AUD
ZAR 167,922 ZAR
View
B
Retailer 23
-
$16,787 AUD
£9,285 GBP
View
Most Expensive
B
NZ Jewellers
80dc7e36-6f02-483b-ab69-c21ecbfe7b8b · Oct 30
$20,145 AUD
$14,151 USD
View
23 more retailers have this diamond
Prices start from $9,165 AUDSave up to $10,980 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
$9,165 AUD