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Heart|Natural|GIA

1.72ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6502983098

Certificate GIA 6502983098

Diamond specifications and retailer prices

From $12,579 AUD
CA$12,272 CAD
As of October 30, 2026
Save $8,843 AUD (41%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $21,422 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.72ct natural heart diamond

This 1.72ct 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 6502983098. Listed at 13 retailers as of October 30, 2026, with prices from $12,579 to $21,422, a $8,843 spread on the same certified stone. NZ Jewellers lists it at $21,422. 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

1.72
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41.5°
OriginNatural
Grading LabGIA
CertificateGIA 6502983098
Dimensions7.35 × 8.53 × 4.99 mm
L/W Ratio1.16
Top View
7.35 mm8.53 mm1.72 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6502983098
Side View
Table 59.0%CrownGirdle: MED-THKPavilion 41.5°Culet: NoneDepth 58.5%

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 30
Current: $21,422 AUD|Low: $13,923 AUD|High: $21,422 AUD|Avg: $15,909 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8$13,923 AUD
Retailer 3$14,200 AUD
Retailer 4$14,389 AUD
Retailer 5$14,438 AUD
Retailer 6$14,447 AUD
Retailer 9$14,955 AUD
Retailer 10$15,239 AUD
Retailer 7$15,769 AUD
Retailer 2$20,074 AUD
NZ Jewellers$21,422 AUD

39 data points across 10 retailers

13 retailers$12,579 AUD to $21,422 AUD

B+
Cheapest Retailer
-
$12,579 AUD
CA$12,272 CAD
B+
Retailer 2
-
$13,923 AUD
$9,780 USD
View
B+
Retailer 3
-
$14,200 AUD
£7,854 GBP
View
B+
Retailer 4
-
$14,389 AUD
CA$14,038 CAD
View
B+
Retailer 5
-
$14,438 AUD
$10,142 USD
View
B+
Retailer 6
-
$14,447 AUD
$10,148 USD
View
B+
Retailer 7
-
$14,955 AUD
$10,505 USD
View
B
Retailer 8
-
$15,289 AUD
$10,740 USD
View
B
Retailer 9
-
$15,289 AUD
$10,740 USD
View
B
Retailer 10
-
$15,769 AUD
$11,077 USD
View
B
Retailer 11
-
$15,802 AUD
$11,100 USD
View
B
Retailer 12
-
$20,074 AUD
£11,103 GBP
View
Most Expensive
B
NZ Jewellers
6d439445-8e44-46bf-bc2f-9abba2d5cc7e · Oct 30
$21,422 AUD
$15,048 USD
View
12 more retailers have this diamond
Prices start from $12,579 AUDSave up to $8,843 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+
1.72ct Heart
$12,579 AUD