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Heart|Natural|GIA

1.70ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 7398568859

Certificate GIA 7398568859

Diamond specifications and retailer prices

From $8,109 AUD
HK$44,400 HKD
As of November 1, 2026
Save $10,339 AUD (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $18,448 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.7ct natural heart diamond

This 1.7ct natural heart sits in the one-and-a-half to two carat band, graded H 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 7398568859. Listed at 17 retailers as of October 30, 2026, with prices from $8,109 to $18,448, a $10,339 spread on the same certified stone. NZ Jewellers lists it at $18,448. 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

1.70
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7398568859
Dimensions6.80 × 7.89 × 4.98 mm
L/W Ratio1.16
Top View
6.80 mm7.89 mm1.70 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7398568859
Side View
Table 59.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 63.2%

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: Nov 1
Current: $10,686 AUD|Low: $7,722 AUD|High: $15,557 AUD|Avg: $10,472 AUD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4$8,109 AUD
Retailer 8$8,132 AUD
Retailer 5$8,714 AUD
Retailer 6$9,223 AUD
Retailer 7$10,147 AUD
Retailer 2$10,400 AUD
Retailer 1$10,686 AUD
Retailer 3$15,373 AUD

43 data points across 8 retailers

17 retailers$8,109 AUD to $18,448 AUD

B+
Cheapest Retailer
-
$8,109 AUD
HK$44,400 HKD
B+
Retailer 2
-
$8,132 AUD
$5,699 USD
View
B+
Retailer 3
-
$8,714 AUD
$6,107 USD
View
B
Retailer 4
-
$9,223 AUD
$6,464 USD
View
Final sale: no returns
B
Retailer 5
-
$9,225 AUD
$6,465 USD
View
B
Retailer 6
-
$9,302 AUD
$6,519 USD
View
B+
Retailer 7
-
$9,993 AUD
$7,003 USD
View
B
Retailer 8
-
$10,147 AUD
$7,111 USD
View
B+
Retailer 9
-
$10,400 AUD
£5,739 GBP
View
B+
Retailer 10
-
$10,686 AUD
£5,897 GBP
View
B
Retailer 11
-
$11,073 AUD
$7,760 USD
View
B
Retailer 12
-
$11,073 AUD
$7,760 USD
View
B
Retailer 13
-
$11,444 AUD
$8,020 USD
View
B
Retailer 14
-
$11,531 AUD
$8,081 USD
View
Retailer 15
-
$12,153 AUD
$8,517 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$15,373 AUD
£8,483 GBP
View
Most Expensive
B
NZ Jewellers
ffdbe4e3-a6ae-4a03-9e9f-b1b92395c467 · Oct 30
$18,448 AUD
$12,929 USD
View
16 more retailers have this diamond
Prices start from $8,109 AUDSave up to $10,339 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+
1.70ct Heart
$8,109 AUD