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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 $10,299 NZD
$5,795 USD
As of November 1, 2026
Save $9,581 NZD (48%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $19,881 NZD 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 $10,299 to $19,881, a $9,581 spread on the same certified stone. NZ Jewellers lists it at $19,881. 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: $19,881 NZD|Low: $10,058 NZD|High: $19,881 NZD|Avg: $12,917 NZD
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 2, 2026
Retailer 12$10,299 NZD
Retailer 15$10,367 NZD
Retailer 14$10,971 NZD
Retailer 6$10,973 NZD
Retailer 3$11,028 NZD
Retailer 9$11,553 NZD
Retailer 8$11,752 NZD
Retailer 7$11,887 NZD
Retailer 13$12,070 NZD
Retailer 4$12,170 NZD
Retailer 2$12,940 NZD
Retailer 5$13,715 NZD
Retailer 11$14,605 NZD
Retailer 10$17,513 NZD
NZ Jewellers$19,881 NZD

37 data points across 15 retailers

15 retailers$10,299 NZD to $19,881 NZD

A
Cheapest Retailer
-
$10,299 NZD
$5,795 USD
A
Retailer 2
-
$10,367 NZD
$5,833 USD
View
A
Retailer 3
-
$10,971 NZD
$6,173 USD
View
Final sale: no returns
A
Retailer 4
-
$10,973 NZD
$6,174 USD
View
A
Retailer 5
-
$11,028 NZD
$6,205 USD
View
A
Retailer 6
-
$11,553 NZD
£5,119 GBP
View
A
Retailer 7
-
$11,752 NZD
£5,207 GBP
View
A
Retailer 8
-
$11,887 NZD
$6,688 USD
View
A
Retailer 9
-
$12,070 NZD
$6,791 USD
View
B+
Retailer 10
-
$12,170 NZD
$6,848 USD
View
B+
Retailer 11
-
$12,940 NZD
€6,934 EUR
View
B+
Retailer 12
-
$13,715 NZD
$7,717 USD
View
B+
Retailer 13
-
$14,605 NZD
ZAR 132,755 ZAR
View
B+
Retailer 14
-
$17,513 NZD
£7,759 GBP
View
Most Expensive
B
NZ Jewellers
698de770-00d1-4d62-b27b-5cad6c92c3de · Nov 2
$19,881 NZD
$11,186 USD
View
14 more retailers have this diamond
Prices start from $10,299 NZDSave up to $9,581 NZD

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
$10,299 NZD