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Round|Natural|GIA

1.70ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2558513002

Certificate GIA 2558513002

Diamond specifications and retailer prices

From $8,760 CAD
$6,271 USD
As of October 30, 2026
Save $11,225 CAD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $19,985 CAD 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2558513002. Listed at 16 retailers as of October 30, 2026, with prices from $8,760 to $19,985, a $11,225 spread on the same certified stone. NZ Jewellers lists it at $19,985. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2558513002
Dimensions7.55 × 7.59 × 4.76 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Indented Natural, Natural
Top View
7.55 mm7.59 mm1.70 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558513002
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.9%

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: $19,985 CAD|Low: $8,415 CAD|High: $20,842 CAD|Avg: $11,971 CAD|-4.1%
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 31, 2026
Retailer 5$8,760 CAD
Retailer 2$8,815 CAD
Retailer 4$9,356 CAD
Retailer 13$9,992 CAD
Retailer 7$9,993 CAD
Retailer 8$10,826 CAD
Retailer 15$10,992 CAD
Retailer 9$11,055 CAD
Retailer 12$11,930 CAD
Retailer 16$11,930 CAD
Retailer 10$11,995 CAD
Retailer 14$12,321 CAD
Retailer 3$12,491 CAD
Retailer 6$13,162 CAD
Retailer 11$16,676 CAD
NZ Jewellers$19,985 CAD

42 data points across 16 retailers

16 retailers$8,760 CAD to $19,985 CAD

A
Cheapest Retailer
-
$8,760 CAD
$6,271 USD
A
Retailer 2
-
$8,815 CAD
HK$49,300 HKD
View
B+
Retailer 3
-
$9,356 CAD
$6,698 USD
View
B+
Retailer 4
-
$9,992 CAD
$7,153 USD
View
Final sale: no returns
B+
Retailer 5
-
$9,993 CAD
$7,154 USD
View
B+
Retailer 6
-
$10,826 CAD
$7,750 USD
View
B+
Retailer 7
-
$10,992 CAD
$7,869 USD
View
B+
Retailer 8
-
$11,055 CAD
£6,232 GBP
View
B
Retailer 9
-
$11,930 CAD
$8,540 USD
View
B
Retailer 10
-
$11,930 CAD
$8,540 USD
View
B+
Retailer 11
-
$11,995 CAD
€8,178 EUR
View
B+
Retailer 12
-
$12,321 CAD
$8,820 USD
View
B+
Retailer 13
-
$12,491 CAD
$8,942 USD
View
Retailer 14
-
$13,162 CAD
$9,422 USD
View
Price last confirmed 8 days ago
B
Retailer 15
-
$16,676 CAD
£9,400 GBP
View
Most Expensive
B
NZ Jewellers
631e12f0-c64d-4532-8689-4230b95d6466 · Oct 30
$19,985 CAD
$14,307 USD
View
15 more retailers have this diamond
Prices start from $8,760 CADSave up to $11,225 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.

A
1.70ct Round
$8,760 CAD