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Oval|Natural|GIA

1.60ct M SI1 Oval Natural Diamond

ID • M/SI1 • GIA 6365697478

Certificate GIA 6365697478

Diamond specifications and retailer prices

From $5,149 AUD
As of November 6, 2026
Save $5,189 AUD (50%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,338 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 6365697478. Listed at 12 retailers as of November 5, 2026, with prices from $5,149 to $10,338, a $5,189 spread on the same certified stone. NZ Jewellers lists it at $10,338. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6365697478
Dimensions8.83 × 6.56 × 4.13 mm
L/W Ratio1.35
Top View
8.83 mm6.56 mm1.60 ctM / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6365697478
Side View
Table 59.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $10,338 AUD|Low: $3,880 AUD|High: $10,338 AUD|Avg: $6,249 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
Retailer 16
Retailer 17
November 6, 2026
Retailer 9$3,880 AUD
Retailer 8$4,555 AUD
Retailer 17$5,149 AUD
Retailer 3$5,222 AUD
Retailer 14$5,334 AUD
Retailer 6$5,654 AUD
Retailer 11$5,873 AUD
Retailer 12$5,934 AUD
Retailer 13$5,934 AUD
Retailer 15$5,934 AUD
Retailer 7$5,960 AUD
Retailer 5$6,148 AUD
Retailer 2$6,674 AUD
Retailer 16$6,846 AUD
Retailer 10$7,242 AUD
Retailer 4$9,584 AUD
NZ Jewellers$10,338 AUD

29 data points across 17 retailers

12 retailers$5,149 AUD to $10,338 AUD

B+
Cheapest Retailer
-
$5,149 AUD
B
Retailer 2
-
$5,222 AUD
View
B
Retailer 3
-
$5,334 AUD
View
B+
Retailer 4
-
$5,654 AUD
View
Retailer 5
-
$5,934 AUD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$5,934 AUD
View
B
Retailer 7
-
$5,934 AUD
View
B
Retailer 8
-
$6,148 AUD
View
B
Retailer 9
-
$6,674 AUD
View
B
Retailer 10
-
$6,846 AUD
View
B
Retailer 11
-
$7,242 AUD
View
Most Expensive
C
NZ Jewellers
ced85380-1512-4c70-9285-1146553dafe1 · Nov 5
$10,338 AUD
$7,103 USD
View
11 more retailers have this diamond
Prices start from $5,149 AUDSave up to $5,189 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.

B+
1.60ct Oval
$5,149 AUD