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Round|Natural|GIA

1.70ct E IF Round Natural Diamond

EX • E/IF

Diamond specifications and retailer prices

From $27,357 AUD
$19,240 USD
As of October 29, 2026
Save $16,099 AUD (37%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $44,968 AUD at NZ Jewellers · As of September 10, 2026
View at NZ Jewellers

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA. Listed at 14 retailers as of October 27, 2026, with a 59% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions7.83 × 7.84 × 4.64 mm
L/W Ratio1.00
Top View
7.83 mm7.84 mm1.70 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 59.0%CrownGirdle: ThinPavilionCulet: NoneDepth 59.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $43,456 AUD|Low: $27,357 AUD|High: $44,968 AUD|Avg: $34,990 AUD|-3.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6$27,357 AUD
Retailer 3$30,858 AUD
Retailer 10$31,742 AUD
Retailer 5$32,209 AUD
Retailer 4$33,051 AUD
Retailer 11$34,387 AUD
Retailer 7$34,460 AUD
Retailer 9$34,510 AUD
Retailer 8$37,012 AUD
Retailer 2$37,492 AUD
NZ Jewellers$43,456 AUD

44 data points across 11 retailers

14 retailers$27,357 AUD to $43,456 AUD

A
Cheapest Retailer
-
$27,357 AUD
$19,240 USD
A
Retailer 2
-
$30,858 AUD
CA$30,142 CAD
View
A
Retailer 3
-
$32,209 AUD
$22,652 USD
View
A
Retailer 4
-
$33,051 AUD
£18,302 GBP
View
A
Retailer 5
-
$33,329 AUD
$23,440 USD
View
Price last confirmed 29 days ago
B+
Retailer 6
-
$34,387 AUD
$24,184 USD
View
Price last confirmed 48 days ago
B+
Retailer 7
-
$34,460 AUD
$24,235 USD
View
A
Retailer 8
-
$34,510 AUD
$24,270 USD
View
B+
Retailer 9
-
$35,710 AUD
$25,114 USD
View
Price last confirmed 52 days ago
B+
Retailer 10
-
$35,710 AUD
$25,114 USD
View
Price last confirmed 30 days ago
B+
Retailer 11
-
$37,012 AUD
$26,030 USD
View
B+
Retailer 12
-
$37,492 AUD
View
B
Retailer 13
-
$43,456 AUD
$30,562 USD
View
Most Expensive
B+
NZ Jewellers
d404bfee-63ec-4f46-89b7-f7ea6675d286 · Sep 10
$44,968 AUD
$31,625 USD
View
Price last confirmed 48 days ago
13 more retailers have this diamond
Prices start from $27,357 AUDSave up to $16,099 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.

A
1.70ct Round
$27,357 AUD