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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 $4,534 SGD
As of November 6, 2026
Save $4,569 SGD (50%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,103 SGD 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 $4,534 to $9,103, a $4,569 spread on the same certified stone. NZ Jewellers lists it at $9,103. 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: $9,103 SGD|Low: $3,417 SGD|High: $9,103 SGD|Avg: $5,503 SGD
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$3,417 SGD
Retailer 8$4,011 SGD
Retailer 17$4,534 SGD
Retailer 3$4,598 SGD
Retailer 14$4,697 SGD
Retailer 6$4,979 SGD
Retailer 11$5,171 SGD
Retailer 12$5,225 SGD
Retailer 13$5,225 SGD
Retailer 15$5,225 SGD
Retailer 7$5,248 SGD
Retailer 5$5,413 SGD
Retailer 2$5,877 SGD
Retailer 16$6,029 SGD
Retailer 10$6,377 SGD
Retailer 4$8,439 SGD
NZ Jewellers$9,103 SGD

29 data points across 17 retailers

12 retailers$4,534 SGD to $9,103 SGD

B+
Cheapest Retailer
-
$4,534 SGD
B
Retailer 2
-
$4,598 SGD
View
B
Retailer 3
-
$4,697 SGD
View
B+
Retailer 4
-
$4,979 SGD
View
Retailer 5
-
$5,225 SGD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$5,225 SGD
View
B
Retailer 7
-
$5,225 SGD
View
B
Retailer 8
-
$5,413 SGD
View
B
Retailer 9
-
$5,877 SGD
View
B
Retailer 10
-
$6,029 SGD
View
B
Retailer 11
-
$6,377 SGD
View
Most Expensive
C
NZ Jewellers
ced85380-1512-4c70-9285-1146553dafe1 · Nov 5
$9,103 SGD
$7,103 USD
View
11 more retailers have this diamond
Prices start from $4,534 SGDSave up to $4,569 SGD

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
$4,534 SGD