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Oval|Natural|GIA

1.60ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 6552796908

Certificate GIA 6552796908

Diamond specifications and retailer prices

From $3,278 AUD
As of November 6, 2026
Save $4,456 AUD (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,734 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 K 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 6552796908. Listed at 9 retailers as of November 5, 2026, with prices from $3,278 to $7,734, a $4,456 spread on the same certified stone. NZ Jewellers lists it at $7,734. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle37.31°
OriginNatural
Grading LabGIA
CertificateGIA 6552796908
Dimensions9.35 × 6.36 × 4.10 mm
L/W Ratio1.47
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
9.35 mm6.36 mm1.60 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552796908
Side View
Table 63.0%CrownGirdle: ThickPavilion 37.31°Culet: NoneDepth 64.4%

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: $7,734 AUD|Low: $3,278 AUD|High: $8,411 AUD|Avg: $5,333 AUD|-8.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$3,278 AUD
Retailer 7$4,082 AUD
Retailer 6$4,439 AUD
Retailer 2$4,554 AUD
Retailer 5$4,609 AUD
Retailer 9$4,851 AUD
Retailer 3$5,273 AUD
Retailer 4$7,404 AUD
NZ Jewellers$7,734 AUD

28 data points across 9 retailers

9 retailers$3,278 AUD to $7,734 AUD

A
Cheapest Retailer
-
$3,278 AUD
A
Retailer 2
-
$4,082 AUD
View
A
Retailer 3
-
$4,439 AUD
View
A
Retailer 4
-
$4,554 AUD
View
A
Retailer 5
-
$4,609 AUD
View
A
Retailer 6
-
$4,851 AUD
View
A
Retailer 7
-
$5,273 AUD
View
B+
Retailer 8
-
$7,404 AUD
View
Most Expensive
B+
NZ Jewellers
7c11b5c5-2e6a-4444-a5f0-872a4fde6b9c · Nov 5
$7,734 AUD
$5,314 USD
View
8 more retailers have this diamond
Prices start from $3,278 AUDSave up to $4,456 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
$3,278 AUD