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Round|Natural|GIA

1.61ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 7446345645

Certificate GIA 7446345645

Diamond specifications and retailer prices

From $3,306 AUD
As of November 5, 2026
Save $1,277 AUD (28%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,717 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.61ct natural round diamond

This 1.61ct 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 7446345645. Listed at 11 retailers as of November 5, 2026, with a 39% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.61
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 7446345645
Dimensions7.53 × 7.58 × 4.68 mm
L/W Ratio1.01
Star length50%
Top View
7.53 mm7.58 mm1.61 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7446345645
Side View
Table 55.0%Crown 31.5°Girdle: THN-STKPavilion 41.8°Culet: NoneDepth 61.9%

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 5
Current: $7,717 AUD|Low: $2,538 AUD|High: $7,717 AUD|Avg: $4,334 AUD
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
November 5, 2026
Retailer 7$2,538 AUD
Retailer 3$3,306 AUD
Retailer 10$3,477 AUD
Retailer 6$3,650 AUD
Retailer 11$3,691 AUD
Retailer 13$3,691 AUD
Retailer 9$3,861 AUD
Retailer 14$3,891 AUD
Retailer 4$3,953 AUD
Retailer 12$4,258 AUD
Retailer 8$4,504 AUD
Retailer 2$4,583 AUD
Retailer 15$5,963 AUD
Retailer 5$6,138 AUD
NZ Jewellers$7,717 AUD

23 data points across 15 retailers

11 retailers$3,306 AUD to $4,583 AUD

A
Cheapest Retailer
-
$3,306 AUD
A
Retailer 2
-
$3,477 AUD
View
A
Retailer 3
-
$3,650 AUD
View
A
Retailer 4
-
$3,691 AUD
View
Retailer 5
-
$3,691 AUD
View
Price last confirmed 8 days ago
Retailer 6
-
$3,861 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,891 AUD
View
B+
Retailer 8
-
$4,258 AUD
View
B+
Retailer 9
-
$4,504 AUD
View
B+
Retailer 10
-
$4,583 AUD
View
Most Expensive
NZ Jewellers
9c9f791e-6835-4d1a-8c0d-335efdd8c901 · Oct 30
$7,717 AUD
$5,402 USD
View
Price last confirmed 7 days ago
10 more retailers have this diamond
Prices start from $3,306 AUDSave up to $1,277 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
1.61ct Round
$3,306 AUD