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Round|Natural|IGI

1.70ct J IF Round Natural Diamond

EX • J/IF • IGI 612327178

Shape and cutting style on the report: Round brilliant

Certificate IGI 612327178

Diamond specifications and retailer prices

From $8,269 AUD
$5,795 USD
As of November 1, 2026
Save $7,692 AUD (48%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $15,961 AUD at NZ Jewellers · As of November 2, 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 J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 612327178. Listed at 15 retailers as of November 1, 2026, with prices from $8,269 to $15,961, a $7,692 spread on the same certified stone. NZ Jewellers lists it at $15,961. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 612327178
Dimensions7.61 × 7.56 × 4.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.61 mm7.56 mm1.70 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 612327178
Side View
Table 55.0%Crown 36.7°Girdle: MediumPavilion 40.6°Culet: NoneDepth 63.1%

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: Nov 1
Current: $15,961 AUD|Low: $8,075 AUD|High: $15,961 AUD|Avg: $10,367 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
Retailer 15
November 3, 2026
Retailer 12$8,269 AUD
Retailer 15$8,323 AUD
Retailer 14$8,808 AUD
Retailer 6$8,810 AUD
Retailer 3$8,854 AUD
Retailer 2$9,276 AUD
Retailer 9$9,435 AUD
Retailer 7$9,543 AUD
Retailer 13$9,690 AUD
Retailer 4$9,771 AUD
Retailer 8$10,389 AUD
Retailer 5$11,011 AUD
Retailer 11$11,726 AUD
Retailer 10$14,061 AUD
NZ Jewellers$15,961 AUD

37 data points across 15 retailers

15 retailers$8,269 AUD to $15,961 AUD

A
Cheapest Retailer
-
$8,269 AUD
$5,795 USD
A
Retailer 2
-
$8,323 AUD
$5,833 USD
View
A
Retailer 3
-
$8,808 AUD
$6,173 USD
View
Final sale: no returns
A
Retailer 4
-
$8,810 AUD
$6,174 USD
View
A
Retailer 5
-
$8,854 AUD
$6,205 USD
View
A
Retailer 6
-
$9,276 AUD
£5,119 GBP
View
A
Retailer 7
-
$9,435 AUD
£5,207 GBP
View
A
Retailer 8
-
$9,543 AUD
$6,688 USD
View
A
Retailer 9
-
$9,690 AUD
$6,791 USD
View
B+
Retailer 10
-
$9,771 AUD
$6,848 USD
View
B+
Retailer 11
-
$10,389 AUD
€6,934 EUR
View
B+
Retailer 12
-
$11,011 AUD
$7,717 USD
View
B+
Retailer 13
-
$11,726 AUD
ZAR 132,755 ZAR
View
B+
Retailer 14
-
$14,061 AUD
£7,759 GBP
View
Most Expensive
B
NZ Jewellers
698de770-00d1-4d62-b27b-5cad6c92c3de · Nov 2
$15,961 AUD
$11,186 USD
View
14 more retailers have this diamond
Prices start from $8,269 AUDSave up to $7,692 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
$8,269 AUD