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Round|Natural|IGI

1.70ct J IF Round Natural Diamond

EX • J/IF • IGI 816642340

Shape and cutting style on the report: Round brilliant

Certificate IGI 816642340

Diamond specifications and retailer prices

From $8,776 NZD
₹470,287 INR
As of November 2, 2026
Save $10,635 NZD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $19,865 NZD 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 J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 816642340. Listed at 19 retailers as of November 2, 2026, with a 121% 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
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 816642340
Dimensions7.67 × 7.71 × 4.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.67 mm7.71 mm1.70 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 816642340
Side View
Table 56.0%Crown 32.5°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.5%

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 2
Current: $19,412 NZD|Low: $8,776 NZD|High: $19,812 NZD|Avg: $12,503 NZD|-2.0%
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
Retailer 16
November 3, 2026
Retailer 11$8,776 NZD
Retailer 5$10,191 NZD
Retailer 8$10,335 NZD
Retailer 13$10,714 NZD
Retailer 7$10,786 NZD
Retailer 2$11,281 NZD
Retailer 3$11,606 NZD
Retailer 6$11,617 NZD
Retailer 16$11,730 NZD
Retailer 10$11,783 NZD
Retailer 15$11,888 NZD
Retailer 14$11,927 NZD
Retailer 12$13,392 NZD
Retailer 4$14,358 NZD
Retailer 9$17,098 NZD
NZ Jewellers$19,412 NZD

24 data points across 16 retailers

19 retailers$8,776 NZD to $19,412 NZD

A
Cheapest Retailer
-
$8,776 NZD
₹470,287 INR
A
Retailer 2
-
$10,191 NZD
$5,734 USD
View
A
Retailer 3
-
$10,335 NZD
$5,815 USD
View
A
Retailer 4
-
$10,714 NZD
$6,028 USD
View
Final sale: no returns
A
Retailer 5
-
$10,786 NZD
$6,069 USD
View
A
Retailer 6
-
$11,281 NZD
£4,998 GBP
View
A
Retailer 7
-
$11,606 NZD
$6,530 USD
View
A
Retailer 8
-
$11,617 NZD
$6,536 USD
View
A
Retailer 9
-
$11,730 NZD
$6,600 USD
View
A
Retailer 10
-
$11,783 NZD
$6,630 USD
View
Retailer 11
-
$11,878 NZD
$6,683 USD
View
Price last confirmed 52 days ago
A
Retailer 12
-
$11,888 NZD
$6,689 USD
View
A
Retailer 13
-
$11,927 NZD
€6,391 EUR
View
B+
Retailer 14
-
$13,392 NZD
$7,535 USD
View
Retailer 15
-
$13,890 NZD
$7,815 USD
View
Price last confirmed 55 days ago
B+
Retailer 16
-
$14,358 NZD
ZAR 130,506 ZAR
View
B+
Retailer 17
-
$17,098 NZD
£7,575 GBP
View
B
Retailer 18
-
$19,412 NZD
$10,922 USD
View
Most Expensive
NZ Jewellers
623e9d02-ecd4-411e-8164-4df6e142964d · Sep 10
$19,865 NZD
$11,177 USD
View
Price last confirmed 53 days ago
18 more retailers have this diamond
Prices start from $8,776 NZDSave up to $10,635 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
$8,776 NZD