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 $4,976 USD
₹473,865 INR
As of October 31, 2026
Save $6,021 USD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,177 USD 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 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
Color
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: Oct 31
Current: $10,997 USD|Low: $4,976 USD|High: $11,147 USD|Avg: $6,936 USD|-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 1, 2026
Retailer 12$4,976 USD
Retailer 13$5,734 USD
Retailer 7$5,815 USD
Retailer 4$6,068 USD
Retailer 5$6,069 USD
Retailer 9$6,391 USD
Retailer 10$6,530 USD
Retailer 14$6,536 USD
Retailer 6$6,676 USD
Retailer 8$6,725 USD
Retailer 3$6,734 USD
Retailer 16$6,788 USD
Retailer 15$7,587 USD
Retailer 11$8,078 USD
Retailer 2$9,686 USD
NZ Jewellers$10,997 USD

27 data points across 16 retailers

19 retailers$4,976 USD to $10,997 USD

A
Cheapest Retailer
-
$4,976 USD
₹473,865 INR
A
Retailer 2
-
$5,734 USD
View
A
Retailer 3
-
$5,815 USD
View
A
Retailer 4
-
$6,068 USD
View
Final sale: no returns
A
Retailer 5
-
$6,069 USD
View
A
Retailer 6
-
$6,391 USD
£5,032 GBP
View
A
Retailer 7
-
$6,530 USD
View
A
Retailer 8
-
$6,536 USD
View
A
Retailer 9
-
$6,676 USD
View
Retailer 10
-
$6,683 USD
View
Price last confirmed 50 days ago
A
Retailer 11
-
$6,725 USD
View
Price last confirmed 7 days ago
A
Retailer 12
-
$6,734 USD
View
A
Retailer 13
-
$6,788 USD
€6,465 EUR
View
B+
Retailer 14
-
$7,587 USD
View
Retailer 15
-
$7,815 USD
View
Price last confirmed 53 days ago
B+
Retailer 16
-
$8,078 USD
ZAR 130,506 ZAR
View
B+
Retailer 17
-
$9,686 USD
£7,627 GBP
View
B
Retailer 18
-
$10,997 USD
View
Most Expensive
NZ Jewellers
623e9d02-ecd4-411e-8164-4df6e142964d · Sep 10
$11,177 USD
View
Price last confirmed 51 days ago
18 more retailers have this diamond
Prices start from $4,976 USDSave up to $6,021 USD

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
$4,976 USD