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Round|Natural|GIA

1.70ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 1539543587

Certificate GIA 1539543587

Diamond specifications and retailer prices

From $4,216 CAD
As of November 5, 2026
Save $2,704 CAD (39%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,921 CAD at Moon Ocean · As of November 6, 2026
View at Moon Ocean

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1539543587. Listed at 5 retailers as of November 5, 2026, with prices from $4,216 to $6,921, a $2,704 spread on the same certified stone. Moon Ocean lists it at $6,921. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1539543587
Dimensions7.58 × 7.61 × 4.78 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.58 mm7.61 mm1.70 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1539543587
Side View
Table 57.0%Crown 34°Girdle: Slightly ThickPavilion 41.8°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: Nov 5
Current: $6,921 CAD|Low: $2,913 CAD|High: $6,945 CAD|Avg: $3,804 CAD|-0.3%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7$2,913 CAD
Retailer 8$2,983 CAD
Retailer 6$3,575 CAD
Retailer 3$4,216 CAD
Retailer 4$4,765 CAD
Retailer 2$5,480 CAD
Retailer 5$6,116 CAD
Moon Ocean$6,921 CAD

14 data points across 8 retailers

5 retailers$4,216 CAD to $6,921 CAD

A
Cheapest Retailer
-
$4,216 CAD
B+
Retailer 2
-
$4,765 CAD
View
B
Retailer 3
-
$5,480 CAD
View
B
Retailer 4
-
$6,116 CAD
View
Most Expensive
B
Moon Ocean
NVN-073C2AF11-587 · Nov 6
$6,921 CAD
£3,902 GBP
View
4 more retailers have this diamond
Prices start from $4,216 CADSave up to $2,704 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
$4,216 CAD