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Round|Natural|GIA

1.70ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 6552006019

Certificate GIA 6552006019

Diamond specifications and retailer prices

From $4,665 AUD
As of November 6, 2026
Save $6,137 AUD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,802 AUD at NZ Jewellers · As of November 5, 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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552006019. Listed at 11 retailers as of November 5, 2026, with prices from $4,665 to $10,802, a $6,137 spread on the same certified stone. NZ Jewellers lists it at $10,802. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6552006019
Dimensions7.48 × 7.60 × 4.74 mm
L/W Ratio1.02
Top View
7.48 mm7.60 mm1.70 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552006019
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.3%

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 6
Current: $10,802 AUD|Low: $4,665 AUD|High: $10,870 AUD|Avg: $6,511 AUD|-0.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2$4,665 AUD
Retailer 4$4,800 AUD
Retailer 7$5,455 AUD
Retailer 10$5,887 AUD
Retailer 9$6,200 AUD
Retailer 11$6,200 AUD
Retailer 12$6,200 AUD
Retailer 3$6,415 AUD
Retailer 5$6,578 AUD
Retailer 8$7,155 AUD
Retailer 6$7,568 AUD
NZ Jewellers$10,802 AUD

45 data points across 12 retailers

11 retailers$4,665 AUD to $10,802 AUD

A
Cheapest Retailer
-
$4,665 AUD
B+
Retailer 2
-
$5,455 AUD
View
B
Retailer 3
-
$5,887 AUD
View
Retailer 4
-
$6,200 AUD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$6,200 AUD
View
B
Retailer 6
-
$6,200 AUD
View
B
Retailer 7
-
$6,415 AUD
View
B+
Retailer 8
-
$6,578 AUD
View
B
Retailer 9
-
$7,155 AUD
View
B
Retailer 10
-
$7,568 AUD
View
Most Expensive
C
NZ Jewellers
9c744563-1f8c-4e6f-a284-7cb112f245a8 · Nov 5
$10,802 AUD
$7,422 USD
View
10 more retailers have this diamond
Prices start from $4,665 AUDSave up to $6,137 AUD

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
$4,665 AUD