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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 $5,833 USD
As of October 30, 2026
Save $5,353 USD (48%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $11,186 USD at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from $5,833 to $11,186, a $5,353 spread on the same certified stone. NZ Jewellers lists it at $11,186. 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 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: Oct 30
Current: $11,186 USD|Low: $5,659 USD|High: $11,186 USD|Avg: $7,267 USD
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 1, 2026
Retailer 12$5,795 USD
Retailer 15$5,833 USD
Retailer 14$6,173 USD
Retailer 6$6,174 USD
Retailer 3$6,205 USD
Retailer 9$6,501 USD
Retailer 2$6,613 USD
Retailer 7$6,688 USD
Retailer 13$6,791 USD
Retailer 4$6,848 USD
Retailer 10$7,275 USD
Retailer 5$7,717 USD
Retailer 11$8,218 USD
Retailer 8$9,854 USD
NZ Jewellers$11,186 USD

37 data points across 15 retailers

15 retailers$5,833 USD to $11,186 USD

Retailer 1
-
$5,795 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$5,833 USD
View
A
Retailer 3
-
$6,173 USD
View
Final sale: no returns
A
Retailer 4
-
$6,174 USD
View
A
Retailer 5
-
$6,205 USD
View
A
Retailer 6
-
$6,501 USD
£5,119 GBP
View
A
Retailer 7
-
$6,613 USD
£5,207 GBP
View
A
Retailer 8
-
$6,688 USD
View
A
Retailer 9
-
$6,791 USD
View
B+
Retailer 10
-
$6,848 USD
View
B+
Retailer 11
-
$7,275 USD
€6,929 EUR
View
B+
Retailer 12
-
$7,717 USD
View
B+
Retailer 13
-
$8,218 USD
ZAR 132,755 ZAR
View
B+
Retailer 14
-
$9,854 USD
£7,759 GBP
View
Most Expensive
B
NZ Jewellers
698de770-00d1-4d62-b27b-5cad6c92c3de · Oct 30
$11,186 USD
View
14 more retailers have this diamond
Prices start from $5,833 USDSave up to $5,353 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
$5,833 USD