Heart|Natural|GIA

1.70ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 7496344566

Certificate GIA 7496344566

Diamond specifications and retailer prices

From $9,008 AUD
$6,313 USD
As of November 1, 2026
Save $10,061 AUD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $19,069 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7496344566. Listed at 16 retailers as of October 30, 2026, with prices from $9,008 to $19,069, a $10,061 spread on the same certified stone. NZ Jewellers lists it at $19,069. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7496344566
Dimensions7.40 × 8.26 × 4.61 mm
L/W Ratio1.12
Cert comments
Additional twinning wisps, pinpoints and surface graining are not shown.
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
7.40 mm8.26 mm1.70 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7496344566
Side View
Table 54.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 55.8%

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: Nov 1
Current: $19,069 AUD|Low: $8,962 AUD|High: $19,069 AUD|Avg: $11,731 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 6$8,962 AUD
Retailer 10$9,008 AUD
Retailer 13$9,535 AUD
Retailer 12$9,553 AUD
Retailer 4$9,614 AUD
Retailer 14$10,329 AUD
Retailer 11$10,488 AUD
Retailer 2$10,752 AUD
Retailer 9$10,996 AUD
Retailer 3$11,919 AUD
Retailer 5$12,560 AUD
Retailer 8$14,007 AUD
Retailer 7$15,889 AUD
NZ Jewellers$19,069 AUD

45 data points across 14 retailers

16 retailers$9,008 AUD to $19,069 AUD

B+
Cheapest Retailer
-
$9,008 AUD
$6,313 USD
B+
Retailer 2
-
$9,535 AUD
$6,682 USD
View
B+
Retailer 3
-
$9,553 AUD
$6,695 USD
View
B+
Retailer 4
-
$9,614 AUD
$6,738 USD
View
B+
Retailer 5
-
$10,329 AUD
$7,239 USD
View
B+
Retailer 6
-
$10,488 AUD
$7,350 USD
View
B+
Retailer 7
-
$10,752 AUD
£5,933 GBP
View
Retailer 8
-
$10,996 AUD
View
Price last confirmed 11 days ago
B
Retailer 9
-
$11,415 AUD
$8,000 USD
View
B
Retailer 10
-
$11,415 AUD
$8,000 USD
View
B
Retailer 11
-
$11,800 AUD
$8,270 USD
View
B
Retailer 12
-
$11,919 AUD
$8,353 USD
View
Retailer 13
-
$12,560 AUD
$8,802 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$14,007 AUD
ZAR 158,585 ZAR
View
B
Retailer 15
-
$15,889 AUD
£8,768 GBP
View
Most Expensive
B
NZ Jewellers
ad49f0ae-b3aa-4a2b-ae8a-0485fd158833 · Oct 30
$19,069 AUD
$13,364 USD
View
15 more retailers have this diamond
Prices start from $9,008 AUDSave up to $10,061 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
$9,008 AUD