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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 $6,382 NZD
As of November 6, 2026
Save $6,431 NZD (50%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $12,813 NZD 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 $6,382 to $12,813, a $6,431 spread on the same certified stone. NZ Jewellers lists it at $12,813. 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: $12,813 NZD|Low: $4,809 NZD|High: $12,813 NZD|Avg: $7,745 NZD
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$4,809 NZD
Retailer 8$5,646 NZD
Retailer 17$6,382 NZD
Retailer 3$6,472 NZD
Retailer 14$6,611 NZD
Retailer 6$7,008 NZD
Retailer 11$7,279 NZD
Retailer 12$7,355 NZD
Retailer 13$7,355 NZD
Retailer 15$7,355 NZD
Retailer 7$7,387 NZD
Retailer 5$7,620 NZD
Retailer 2$8,273 NZD
Retailer 16$8,486 NZD
Retailer 10$8,976 NZD
Retailer 4$11,879 NZD
NZ Jewellers$12,813 NZD

29 data points across 17 retailers

12 retailers$6,382 NZD to $12,813 NZD

B+
Cheapest Retailer
-
$6,382 NZD
B
Retailer 2
-
$6,472 NZD
View
B
Retailer 3
-
$6,611 NZD
View
B+
Retailer 4
-
$7,008 NZD
View
Retailer 5
-
$7,355 NZD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$7,355 NZD
View
B
Retailer 7
-
$7,355 NZD
View
B
Retailer 8
-
$7,620 NZD
View
B
Retailer 9
-
$8,273 NZD
View
B
Retailer 10
-
$8,486 NZD
View
B
Retailer 11
-
$8,976 NZD
View
Most Expensive
C
NZ Jewellers
ced85380-1512-4c70-9285-1146553dafe1 · Nov 5
$12,813 NZD
$7,103 USD
View
11 more retailers have this diamond
Prices start from $6,382 NZDSave up to $6,431 NZD

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
$6,382 NZD