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Round|Natural|GIA

1.70ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2486987805

Certificate GIA 2486987805

Diamond specifications and retailer prices

From $6,646 CAD
HK$37,100 HKD
As of October 29, 2026
Save $8,462 CAD (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $15,109 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 2486987805. Listed at 15 retailers as of October 27, 2026, with prices from $6,646 to $15,109, a $8,462 spread on the same certified stone. NZ Jewellers lists it at $15,109. 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
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2486987805
Dimensions7.64 × 7.60 × 4.79 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
7.64 mm7.60 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2486987805
Side View
Table 56.0%Crown 34°GirdlePavilion 41.6°Culet: NoneDepth 62.8%

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: $15,109 CAD|Low: $6,646 CAD|High: $15,109 CAD|Avg: $9,465 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
October 29, 2026
Retailer 5$6,646 CAD
Retailer 7$7,344 CAD
Retailer 4$7,878 CAD
Retailer 15$8,337 CAD
Retailer 2$8,581 CAD
Retailer 6$8,971 CAD
Retailer 11$9,033 CAD
Retailer 12$9,033 CAD
Retailer 13$9,033 CAD
Retailer 3$9,255 CAD
Retailer 10$9,856 CAD
Retailer 14$10,423 CAD
Retailer 8$11,757 CAD
Retailer 9$13,379 CAD
NZ Jewellers$15,109 CAD

29 data points across 15 retailers

15 retailers$6,646 CAD to $15,109 CAD

B+
Cheapest Retailer
-
$6,646 CAD
HK$37,100 HKD
B+
Retailer 2
-
$7,650 CAD
SGD 7,386 SGD
View
Price last confirmed 15 days ago
B
Retailer 3
-
$7,878 CAD
$5,629 USD
View
B
Retailer 4
-
$8,337 CAD
$5,957 USD
View
Final sale: no returns
B
Retailer 5
-
$8,581 CAD
£4,827 GBP
View
B
Retailer 6
-
$8,971 CAD
$6,410 USD
View
B
Retailer 7
-
$9,033 CAD
$6,454 USD
View
B
Retailer 8
-
$9,033 CAD
$6,454 USD
View
B
Retailer 9
-
$9,033 CAD
$6,454 USD
View
B
Retailer 10
-
$9,255 CAD
$6,612 USD
View
B
Retailer 11
-
$9,856 CAD
€6,707 EUR
View
B
Retailer 12
-
$10,423 CAD
$7,447 USD
View
B
Retailer 13
-
$11,757 CAD
£6,614 GBP
View
B
Retailer 14
-
$13,379 CAD
£7,527 GBP
View
Most Expensive
B
NZ Jewellers
f6369b8a-33a9-40e1-bee2-eecd729aa35f · Oct 27
$15,109 CAD
$10,795 USD
View
14 more retailers have this diamond
Prices start from $6,646 CADSave up to $8,462 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
$6,646 CAD