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Round|Natural|GIA

1.70ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 1537521668

Certificate GIA 1537521668

Diamond specifications and retailer prices

From $3,170 AUD
As of November 6, 2026
Save $5,596 AUD (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,766 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 1537521668. Listed at 13 retailers as of November 5, 2026, with prices from $3,170 to $8,766, a $5,596 spread on the same certified stone. NZ Jewellers lists it at $8,766. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1537521668
Dimensions7.56 × 7.61 × 4.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
ADDITIONAL CLOUDS ARE NOT SHOWN. PINPOINTS ARE NOT SHOWN.
Top View
7.56 mm7.61 mm1.70 ctM / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1537521668
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,766 AUD|Low: $3,160 AUD|High: $8,766 AUD|Avg: $4,565 AUD|+0.5%
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
November 6, 2026
Retailer 2$3,170 AUD
Retailer 5$3,736 AUD
Retailer 10$3,954 AUD
Retailer 12$4,104 AUD
Retailer 4$4,193 AUD
Retailer 11$4,193 AUD
Retailer 13$4,355 AUD
Retailer 3$4,398 AUD
Retailer 6$4,566 AUD
Retailer 9$4,838 AUD
Retailer 8$4,879 AUD
Retailer 7$5,117 AUD
NZ Jewellers$8,766 AUD

27 data points across 13 retailers

13 retailers$3,170 AUD to $8,766 AUD

A
Cheapest Retailer
-
$3,170 AUD
A
Retailer 2
-
$3,736 AUD
View
A
Retailer 3
-
$3,954 AUD
View
A
Retailer 4
-
$4,104 AUD
View
Retailer 5
-
$4,193 AUD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$4,193 AUD
View
A
Retailer 7
-
$4,355 AUD
View
A
Retailer 8
-
$4,398 AUD
View
B+
Retailer 9
-
$4,566 AUD
View
B+
Retailer 10
-
$4,838 AUD
View
B+
Retailer 11
-
$4,879 AUD
View
B+
Retailer 12
-
$5,117 AUD
View
Most Expensive
B
NZ Jewellers
ced3fa81-e339-4790-8dcb-1ec31cb76e43 · Nov 5
$8,766 AUD
$6,023 USD
View
12 more retailers have this diamond
Prices start from $3,170 AUDSave up to $5,596 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
$3,170 AUD