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Oval|Natural|GIA

1.60ct M SI1 Oval Natural Diamond

EX • M/SI1 • GIA 2457468783

Certificate GIA 2457468783

Diamond specifications and retailer prices

From $3,071 AUD
As of November 6, 2026
Save $3,375 AUD (52%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,446 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.6ct natural oval diamond

This 1.6ct natural oval 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 stated by the retailer rather than the lab and certified by GIA 2457468783. Listed at 9 retailers as of November 5, 2026, with prices from $3,071 to $6,446, a $3,375 spread on the same certified stone. NZ Jewellers lists it at $6,446. 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

1.60
Carat
M
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2457468783
Dimensions9.65 × 6.42 × 4.01 mm
L/W Ratio1.50
Top View
9.65 mm6.42 mm1.60 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2457468783
Side View
Table 56.0%CrownGirdlePavilionCulet: NoneDepth 62.5%

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: $6,446 AUD|Low: $3,069 AUD|High: $6,446 AUD|Avg: $3,737 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$3,071 AUD
Retailer 5$3,083 AUD
Retailer 7$3,083 AUD
Retailer 9$3,115 AUD
Retailer 8$3,225 AUD
Retailer 6$3,557 AUD
Retailer 3$3,762 AUD
Retailer 4$4,209 AUD
NZ Jewellers$6,446 AUD

43 data points across 9 retailers

9 retailers$3,071 AUD to $6,446 AUD

A
Cheapest Retailer
-
$3,071 AUD
Retailer 2
-
$3,083 AUD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$3,083 AUD
View
A
Retailer 4
-
$3,115 AUD
View
A
Retailer 5
-
$3,225 AUD
View
B+
Retailer 6
-
$3,557 AUD
View
B+
Retailer 7
-
$3,762 AUD
View
B+
Retailer 8
-
$4,209 AUD
View
Most Expensive
B
NZ Jewellers
e70e382b-0bf1-44f5-9569-1459ecae452c · Nov 5
$6,446 AUD
$4,429 USD
View
8 more retailers have this diamond
Prices start from $3,071 AUDSave up to $3,375 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
1.60ct Oval
$3,071 AUD