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Round|Natural|GIA

1.70ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2454934135

Certificate GIA 2454934135

Diamond specifications and retailer prices

From $8,468 CAD
$6,050 USD
As of October 29, 2026
Save $10,571 CAD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $19,039 CAD at NZ Jewellers · As of October 27, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2454934135. Listed at 20 retailers as of October 27, 2026, with prices from $8,468 to $19,039, a $10,571 spread on the same certified stone. NZ Jewellers lists it at $19,039. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.70
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2454934135
Dimensions7.62 × 7.58 × 4.79 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.62 mm7.58 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2454934135
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $19,039 CAD|Low: $7,933 CAD|High: $19,039 CAD|Avg: $11,409 CAD
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
October 29, 2026
Retailer 14$8,468 CAD
Retailer 11$8,559 CAD
Retailer 15$9,465 CAD
Retailer 3$9,520 CAD
Retailer 12$9,520 CAD
Retailer 7$9,598 CAD
Retailer 5$10,312 CAD
Retailer 13$10,472 CAD
Retailer 2$10,633 CAD
Retailer 16$10,892 CAD
Retailer 10$11,761 CAD
Retailer 4$11,899 CAD
Retailer 6$12,539 CAD
Retailer 8$13,570 CAD
Retailer 9$15,949 CAD
NZ Jewellers$19,039 CAD

39 data points across 16 retailers

20 retailers$8,468 CAD to $19,039 CAD

B
Cheapest Retailer
-
$8,468 CAD
$6,050 USD
B
Retailer 2
-
$8,559 CAD
$6,115 USD
View
B
Retailer 3
-
$8,598 CAD
$6,143 USD
View
B+
Retailer 4
-
$8,852 CAD
A$9,730 AUD
View
B+
Retailer 5
-
$8,995 CAD
$6,427 USD
View
B
Retailer 6
-
$9,465 CAD
View
B
Retailer 7
-
$9,520 CAD
$6,802 USD
View
B
Retailer 8
-
$9,520 CAD
$6,802 USD
View
Final sale: no returns
B
Retailer 9
-
$10,312 CAD
$7,368 USD
View
B
Retailer 10
-
$10,472 CAD
$7,482 USD
View
B
Retailer 11
-
$10,633 CAD
£5,982 GBP
View
B
Retailer 12
-
$10,892 CAD
$7,782 USD
View
B
Retailer 13
-
$11,393 CAD
$8,140 USD
View
B
Retailer 14
-
$11,393 CAD
$8,140 USD
View
B
Retailer 15
-
$11,761 CAD
€8,003 EUR
View
B
Retailer 16
-
$11,771 CAD
$8,410 USD
View
B
Retailer 17
-
$11,899 CAD
$8,502 USD
View
B
Retailer 18
-
$12,539 CAD
$8,959 USD
View
B
Retailer 19
-
$15,949 CAD
£8,973 GBP
View
Most Expensive
B
NZ Jewellers
1772f783-3abb-4080-beaa-237e39d46ab9 · Oct 27
$19,039 CAD
$13,603 USD
View
19 more retailers have this diamond
Prices start from $8,468 CADSave up to $10,571 CAD

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.

B+
1.70ct Round
$8,468 CAD