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Round|Natural|GIA

1.70ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 2528386444

Certificate GIA 2528386444

Diamond specifications and retailer prices

From $4,483 CAD
As of November 6, 2026
Save $2,607 CAD (37%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,090 CAD at Cape Diamonds · As of November 5, 2026
View at Cape Diamonds

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2528386444. Listed at 10 retailers as of November 5, 2026, with prices from $4,483 to $7,090, a $2,607 spread on the same certified stone. Cape Diamonds lists it at $7,090. 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
M
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2528386444
Dimensions7.57 × 7.62 × 4.78 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.57 mm7.62 mm1.70 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2528386444
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

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: Nov 6
Current: $7,090 CAD|Low: $4,446 CAD|High: $7,140 CAD|Avg: $5,632 CAD|+1.5%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$4,483 CAD
Retailer 3$4,680 CAD
Retailer 5$5,223 CAD
Retailer 7$5,448 CAD
Retailer 6$5,823 CAD
Retailer 2$6,560 CAD
Cape Diamonds$7,090 CAD

43 data points across 7 retailers

10 retailers$4,483 CAD to $7,090 CAD

B+
Cheapest Retailer
-
$4,483 CAD
B+
Retailer 2
-
$4,680 CAD
View
B+
Retailer 3
-
$5,223 CAD
View
B+
Retailer 4
-
$5,448 CAD
View
B
Retailer 5
-
$5,528 CAD
View
Retailer 6
-
$5,808 CAD
View
Price last confirmed 22 days ago
B
Retailer 7
-
$5,823 CAD
View
B
Retailer 8
-
$6,016 CAD
View
B
Retailer 9
-
$6,560 CAD
View
Most Expensive
B
Cape Diamonds
cert_2528386444 · Nov 5
$7,090 CAD
ZAR 81,429 ZAR
View
9 more retailers have this diamond
Prices start from $4,483 CADSave up to $2,607 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
$4,483 CAD