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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 HK$38,755 HKD
₹470,439 INR
As of November 1, 2026
Save HK$47,524 HKD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$87,691 HKD 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 October 30, 2026, with a 123% 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 1
Current: HK$86,279 HKD|Low: HK$38,755 HKD|High: HK$87,456 HKD|Avg: HK$54,693 HKD|-1.3%
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 2, 2026
Retailer 11HK$38,755 HKD
Retailer 3HK$44,987 HKD
Retailer 8HK$45,623 HKD
Retailer 2HK$47,294 HKD
Retailer 6HK$47,616 HKD
Retailer 9HK$49,384 HKD
Retailer 15HK$51,232 HKD
Retailer 4HK$51,281 HKD
Retailer 13HK$51,782 HKD
Retailer 7HK$52,378 HKD
Retailer 12HK$52,477 HKD
Retailer 10HK$52,649 HKD
Retailer 5HK$59,525 HKD
Retailer 16HK$63,380 HKD
Retailer 14HK$75,996 HKD
NZ JewellersHK$86,279 HKD

25 data points across 16 retailers

19 retailersHK$38,755 HKD to HK$86,279 HKD

A
Cheapest Retailer
-
HK$38,755 HKD
₹470,439 INR
A
Retailer 2
-
HK$44,987 HKD
$5,734 USD
View
A
Retailer 3
-
HK$45,623 HKD
$5,815 USD
View
A
Retailer 4
-
HK$47,294 HKD
$6,028 USD
View
Final sale: no returns
A
Retailer 5
-
HK$47,616 HKD
$6,069 USD
View
A
Retailer 6
-
HK$49,384 HKD
£4,956 GBP
View
A
Retailer 7
-
HK$51,232 HKD
$6,530 USD
View
A
Retailer 8
-
HK$51,281 HKD
$6,536 USD
View
A
Retailer 9
-
HK$51,782 HKD
$6,600 USD
View
A
Retailer 10
-
HK$52,378 HKD
$6,676 USD
View
Retailer 11
-
HK$52,433 HKD
$6,683 USD
View
Price last confirmed 52 days ago
A
Retailer 12
-
HK$52,477 HKD
$6,689 USD
View
A
Retailer 13
-
HK$52,649 HKD
€6,391 EUR
View
B+
Retailer 14
-
HK$59,525 HKD
$7,587 USD
View
Retailer 15
-
HK$61,314 HKD
$7,815 USD
View
Price last confirmed 55 days ago
B+
Retailer 16
-
HK$63,380 HKD
ZAR 130,506 ZAR
View
B+
Retailer 17
-
HK$75,996 HKD
£7,627 GBP
View
B
Retailer 18
-
HK$86,279 HKD
$10,997 USD
View
Most Expensive
NZ Jewellers
623e9d02-ecd4-411e-8164-4df6e142964d · Sep 10
HK$87,691 HKD
$11,177 USD
View
Price last confirmed 52 days ago
18 more retailers have this diamond
Prices start from HK$38,755 HKDSave up to HK$47,524 HKD

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
HK$38,755 HKD